24 Japanese ways to say “It’s Hot Today”

Summer is here, and wow, it sure can get toasty! If you’re learning Japanese or just curious, there are so many fun ways to say “It’s hot today” — from casual to formal and even some native-like expressions.

Whether you want to sound polite at work or chat casually with friends, these phrases will cover all your bases. Plus, they’ll help you connect more authentically with Japanese speakers.

Knowing different ways to describe the weather is a great way to boost your vocabulary and sound natural. And hey, talking about the heat is a universal conversation starter!

In this list, you’ll find simple expressions, polite phrases, and some colorful slang to spice up your Japanese conversations when the temperature rises.

Learning these will not only make you sound cooler (pun intended) but also help you understand local nuances and culture around summer weather.

Ready to beat the heat with words? Let’s dive into 24 Japanese ways to say “It’s hot today”!

Common & Simple Expressions

Let’s start with the basics. These phrases are straightforward and perfect for everyday conversations.

They’re easy to remember and will get you understood fast, whether you’re chatting with coworkers or neighbors.

Simple expressions like these are the foundation of talking about weather in Japanese.

Sometimes, a handy phrasebook can make these simple phrases even easier to master.

Practice these often for a confident start!

Once you get these down, you’ll be ready to explore some fun variations.

Part 1: Casual Suggestions

1. 暑いね (Atsui ne) – “It’s hot, isn’t it?”

This is the classic, easy way to say “It’s hot.” Just “暑い” (Atsui) means “hot,” and adding “ね” (ne) invites agreement, like “right?”

It’s simple, friendly, and used all the time in casual chats. Great for practicing your tone and expression!

Use this with friends or coworkers when you want to bond over the heat.

Just saying “暑い” (Atsui) alone is fine, but “暑いね” feels warmer and more conversational.

You might hear “暑いなあ” (Atsui naa) too, which is a bit more laid-back and reflective.

Try it out next time you step outside on a sunny day and see how natural it feels!

2. 今日は暑いよ (Kyou wa atsui yo) – “It’s hot today!”

“今日は” (Kyou wa) means “today,” so this phrase literally says “Today is hot.” Adding “よ” (yo) adds emphasis or excitement.

It’s a perfect phrase to state the obvious with a bit of energy. Great for casual conversations or weather chats.

“よ” makes your statement more direct and confident, so it’s good for casual but clear communication.

Avoid overusing “よ” in very formal settings, as it can sound a bit pushy.

Example: When meeting a friend on a sunny day, “今日は暑いよ！” is a warm, natural opener.

Use it to express your feelings about the weather with a friendly punch!

3. めっちゃ暑い！ (Meccha atsui!) – “Super hot!”

“めっちゃ” (Meccha) is Kansai dialect for “very” or “super.” Combine it with “暑い” and you get a lively way to say “It’s super hot!”

This phrase adds fun and personality, perfect for informal chats with friends or family.

It’s widely understood across Japan now, even outside Kansai, thanks to media.

Be mindful that this is very casual and not suitable for formal situations.

You might also hear “めちゃくちゃ暑い” (mechakucha atsui), which is an even stronger version.

Use “めっちゃ暑い” to show your genuine heat struggle with flair!

4. 今日は蒸し蒸しするね (Kyou wa mushi mushi suru ne) – “It’s humid today, huh?”

“蒸し蒸しする” (Mushi mushi suru) means “to feel humid” or “muggy.” Adding “ね” invites agreement in a friendly way.

This phrase is great if you want to talk about the sticky, sweaty side of summer heat.

It’s a bit more descriptive than just “暑い,” giving a fuller picture of the weather.

Try not to confuse “蒸し蒸し” with just “暑い” — it specifically refers to humidity.

Example: On a hot, muggy day, “今日は蒸し蒸しするね” is spot-on.

Perfect for showing you understand the summer’s sticky challenge!

5. 猛暑だね (Mousho da ne) – “It’s a heatwave, huh?”

“猛暑” (Mousho) means “extreme heat” or “heatwave.” Adding “だね” softens it to a casual remark.

This phrase is great for emphasizing unusually hot weather, perfect for summer conversations.

It sounds a bit more serious than just “暑い,” but still casual.

Don’t use it lightly; reserve it for genuinely hot days or heatwave news.

Example: “猛暑だね、エアコンが欠かせないよ！” (“It’s a heatwave, the aircon is essential!”)

This phrase shows you’re tuned in to intense weather conditions.

6. 暑すぎる！ (Atsusugiru!) – “It’s too hot!”

“暑すぎる” combines “暑い” (hot) with “すぎる” (too much), making it “too hot.”

This phrase is straightforward and shows strong feelings about the heat.

It’s useful when you want to complain lightly or express discomfort.

Avoid overusing it if you want to stay positive in conversation.

Related phrase: “寒すぎる” means “too cold,” so the pattern is easy to remember.

Use it to vent on a really scorching day!

7. 太陽がギラギラだね (Taiyou ga giragira da ne) – “The sun is blazing!”

“ギラギラ” (giragira) is an onomatopoeia for something glaring or blazing—perfect to describe the sun.

This phrase paints a vivid picture beyond just “hot” by focusing on the sun’s intensity.

It’s fun to say and easy to remember because of the repeated sounds.

Use it casually with friends who love expressive language.

Example: “太陽がギラギラだね、海に行こう！” (“The sun is blazing, let’s go to the beach!”)

Great for showing you’re feeling the summer vibe in style.

8. 今日は灼熱だ (Kyou wa shakunetsu da) – “It’s scorching today.”

“灼熱” (shakunetsu) means “scorching heat.” This phrase sounds a bit more dramatic and poetic.

It’s great for adding flair or for writing, but can be used casually to emphasize intense heat.

“だ” (da) makes it a plain statement, so it’s casual but strong.

Use it with people who appreciate vivid descriptions.

Example: “今日は灼熱だ。プールに行きたい！” (“It’s scorching today. I want to go to the pool!”)

This phrase elevates your heat talk with a splash of style.

Part 2: Polite & Formal Suggestions

9. 今日は暑いですね (Kyou wa atsui desu ne) – “It’s hot today, isn’t it?”

This is the polite version of “It’s hot today,” perfect for work or formal situations.

“ですね” (desu ne) softens the statement and invites agreement politely.

Use this to maintain respect while making casual conversation in professional settings.

It’s important to keep the tone gentle and friendly with “です” (desu).

Example: Talking to your boss or coworkers near the office window, “今日は暑いですね” fits perfectly.

Great phrase to keep it professional but conversational.

10. 暑い日ですね (Atsui hi desu ne) – “It’s a hot day, isn’t it?”

“暑い日” means “hot day,” and adding “ですね” makes it polite and conversational.

Use this phrase to comment on the day’s weather in a respectful way.

It’s perfect for small talk in formal or semi-formal contexts.

Keep your tone soft to match the politeness of “です.”

Example: Starting a meeting or chat with “暑い日ですね” shows awareness and politeness.

A versatile phrase that fits many formal occasions.

11. 暑くてたまりませんね (Atsukute tamarimasen ne) – “It’s unbearably hot, isn’t it?”

This phrase expresses strong discomfort politely. “たまりません” means “unbearable” or “intolerable.”

It’s great for showing empathy or commiseration in formal conversations.

Use it to acknowledge the heat’s impact without sounding rude or dramatic.

Don’t overuse it or it might sound too negative in some settings.

Example: Complaining politely to a colleague, “暑くてたまりませんね” works well.

Shows emotional depth while keeping respect intact.

12. 本日は暑くございます (Honjitsu wa atsuku gozaimasu) – “It is hot today (very formal)”

This is an extremely polite and formal way to say “It’s hot today,” using “ございます” instead of “です.”

It’s perfect for announcements, speeches, or business settings requiring utmost politeness.

Rarely used in daily casual talk but valuable to know for formal occasions.

“本日” (honjitsu) means “today,” sounding more official than “今日” (kyou).

Example: Weather announcements or formal greetings might use this phrase.

Learn it to impress in highly formal environments.

13. 暑さが厳しいですね (Atsusa ga kibishii desu ne) – “The heat is severe, isn’t it?”

“暑さ” means “heat” as a noun, and “厳しい” means “severe” or “harsh.”

This phrase is polite and descriptive, great for formal conversations about the weather.

It’s a respectful way to talk about uncomfortable heat levels.

Use it when discussing weather with elders or in formal contexts.

Example: “今年の暑さが厳しいですね” (“The heat this year is severe, isn’t it?”)

Shows sensitivity and awareness in polite talk.

14. 今日は暑さがこたえますね (Kyou wa atsusa ga kotaemasu ne) – “The heat is really getting to me today.”

“こたえる” means “to affect” or “to be hard on.” This phrase politely expresses how the heat is tough to handle.

It’s good for expressing personal feelings politely in conversation.

Use it to share your experience without sounding negative or complaining too much.

Example: “今日は暑さがこたえますね、気をつけましょう。” (“The heat is getting to me today, let’s be careful.”)

Useful in polite chats about weather’s effects on health.

Shows thoughtfulness and mild concern.

15. 暑さが続きますね (Atsusa ga tsuzukimasu ne) – “The heat continues, doesn’t it?”

This phrase comments on ongoing hot weather politely. “続く” means “to continue.”

Great for conversations about the weather lasting a while.

It’s formal but not stiff, good for work or social settings.

Remember to keep tone light to avoid sounding gloomy.

Example: “暑さが続きますね、水分補給を忘れずに。” (“The heat continues, don’t forget to hydrate.”)

Shows you’re mindful and considerate.

16. 本日は非常に暑い日でございます (Honjitsu wa hijou ni atsui hi de gozaimasu) – “Today is an extremely hot day (very formal)”

This is a very formal and respectful way to say “It’s extremely hot today,” often used in speeches or announcements.

“非常に” means “extremely,” and “でございます” is a very polite form of “です.”

Perfect if you want to impress with formality and precision.

Not for casual use, but valuable in business or public speaking.

Example: “本日は非常に暑い日でございます。どうぞご自愛ください。” (“Today is an extremely hot day. Please take care of yourself.”)

Learn this to sound polished in formal communication.

Part 3: Very Casual / Native-like Expressions

17. 今日はクソ暑い！ (Kyou wa kuso atsui!) – “It’s damn hot today!”

“クソ” (kuso) is a strong slang word meaning “damn” or “freaking,” often used to emphasize feelings.

Combine it with “暑い” for a very casual, emphatic way to say “It’s damn hot!”

Use this only with close friends or in informal settings, as it’s vulgar.

It’s a good way to sound like a native expressing frustration.

Example: “今日はクソ暑いからエアコン全開だわ！” (“It’s damn hot today, so the AC is blasting!”)

Use cautiously, but it adds real color to casual talk.

18. あっつ！ (Attu!) – “Hot!” (shortened, casual)

This is a shortened, casual, and very common way to say “hot” with emphasis.

It’s informal and often used in spoken Japanese for quick reactions.

It’s easy to say and sounds natural among friends.

Perfect for casual, spontaneous comments about the temperature.

Example: “あっつ！今日も暑いなあ。” (“Hot! It’s hot again today.”)

Great for sounding like a local in everyday chats.

19. ヤバいくらい暑い (Yabai kurai atsui) – “It’s insanely hot”

“ヤバい” (yabai) is slang for “crazy,” “insane,” or “dangerous.”

Paired with “くらい” (kurai, meaning “about” or “to the extent”), it expresses extreme heat.

It’s very casual, popular with younger speakers.

Use it to show excitement or exaggeration about the heat.

Example: “ヤバいくらい暑いから外に出たくない！” (“It’s insanely hot, so I don’t want to go outside!”)

Perfect for lively, informal conversations.

20. 汗ダラダラだよ (Ase daradara da yo) – “I’m sweating buckets!”

“汗” (Ase) means “sweat,” and “ダラダラ” (daradara) is an onomatopoeia for dripping.

This phrase vividly shows how hot it is by focusing on sweating.

It’s casual and expressive, great for storytelling or venting.

Use it with friends or family for colorful, natural talk.

Example: “暑すぎて汗ダラダラだよ！” (“It’s so hot I’m sweating buckets!”)

Helps you describe the heat’s effect on your body.

21. 猛暑日だってば！ (Mousho-bi datte ba!) – “It’s a heatwave day, seriously!”

“猛暑日” (mousho-bi) means “heatwave day,” and “だってば” adds emphasis like “I’m telling you!”

This phrase sounds natural and a bit playful, often used in conversation.

It’s casual but adds urgency and emphasis to your statement.

Great for sharing weather news with friends.

Example: “今日は猛暑日だってば、気をつけて！” (“It’s a heatwave day, seriously, be careful!”)

Use it to sound lively and native-like.

22. 暑くて溶けそう (Atsukute tokesou) – “It’s so hot I feel like melting.”

“溶けそう” (tokesou) means “looks like melting.” Combined with “暑くて” it’s a vivid way to say the heat is overwhelming.

This casual phrase is playful and easy to imagine.

Great for showing how the heat affects your mood or energy.

Example: “暑くて溶けそうだよ、アイス食べたい！” (“It’s so hot I feel like melting, I want ice cream!”)

Fun and expressive for casual chats.

23. 今日はサウナみたい (Kyou wa sauna mitai) – “It’s like a sauna today.”

“サウナみたい” means “like a sauna.” It’s a funny, relatable way to say it’s hot and steamy.

Use this casually with friends to add humor to your weather talk.

It’s easy to remember because everyone knows what a sauna feels like!

Example: “今日はサウナみたいだね、早くプールに行こう！” (“It’s like a sauna today, let’s go to the pool soon!”)

Perfect for lighthearted summer conversations.

24. 暑すぎてバテそう (Atsusugite batesou) – “It’s so hot I feel like I’m going to collapse.”

“バテる” means “to collapse” or “to be exhausted.” This phrase expresses extreme tiredness due to heat.

It’s casual and commonly used among young people.

Great for sounding natural when talking about summer exhaustion.

Example: “暑すぎてバテそうだから今日は休むよ。” (“It’s so hot I feel like I’m going to collapse, so I’m resting today.”)

Helps you express heat fatigue like a native speaker.

Concluding Thought

Exploring these 24 ways to say “It’s hot today” in Japanese shows just how rich and expressive the language can be, especially about something as universal as weather.

From simple greetings to colorful slang, each phrase offers a new way to connect and share your experience of the summer heat.

Next time the sun blazes down, try mixing these expressions and enjoy sounding natural and fun in Japanese!