Japan · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Nagoya are April, May and October, when daytime temperatures are agreeable and rainfall is relatively low.
Nagoya sees its warmest weather in August, when daytime highs average around 33°C, and its coolest in January (around 9°C).
Annual precipitation totals roughly 1579mm — September is typically the wettest month (~232mm) and January the driest (~51mm).
A distinctly wetter period runs from March to October — worth planning around if you prefer dry days.
May is the sunniest month, with about 206 hours of sunshine.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 60 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 9° / 1°C | 51mm | 🤔 Fair |
| February | 11° / 1°C | 65mm | 🤔 Fair |
| March | 15° / 5°C | 116mm | 🤔 Fair |
| April | 20° / 10°C | 128mm | 👍 Good |
| May | 25° / 15°C | 150mm | 👍 Good |
| June | 28° / 19°C | 187mm | 🤔 Fair |
| July | 31° / 24°C | 211mm | ⚠️ Challenging |
| August | 33° / 25°C | 140mm | ⚠️ Challenging |
| September | 29° / 21°C | 232mm | 🤔 Fair |
| October | 23° / 15°C | 165mm | 👍 Good |
| November | 17° / 9°C | 79mm | 👍 Good |
| December | 12° / 3°C | 57mm | 🤔 Fair |
January in Nagoya is chilly, with average daytime highs around 9°C (49°F) and nighttime lows near 1°C (34°F). Expect roughly 51mm of precipitation spread over about 5 rainy days, with little rainfall.
☀️ About 175 hours of sunshine over the month (~6h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
February in Nagoya is chilly, with average daytime highs around 11°C (51°F) and nighttime lows near 1°C (35°F). Expect roughly 65mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
☀️ About 176 hours of sunshine over the month (~6h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
March in Nagoya is mild, with average daytime highs around 15°C (58°F) and nighttime lows near 5°C (40°F). Expect roughly 116mm of precipitation spread over about 9 rainy days, and this is one of the wetter months.
☀️ About 200 hours of sunshine over the month (~7h/day).
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket
April in Nagoya is pleasantly warm, with average daytime highs around 20°C (68°F) and nighttime lows near 10°C (49°F). Expect roughly 128mm of precipitation spread over about 9 rainy days, and this is one of the wetter months.
☀️ About 200 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
May in Nagoya is pleasantly warm, with average daytime highs around 25°C (76°F) and nighttime lows near 15°C (59°F). Expect roughly 150mm of precipitation spread over about 10 rainy days, and this is one of the wetter months.
☀️ About 206 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
June in Nagoya is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 19°C (67°F). Expect roughly 187mm of precipitation spread over about 12 rainy days, and this is one of the wetter months.
☀️ About 152 hours of sunshine over the month (~5h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
July in Nagoya is hot, with average daytime highs around 31°C (89°F) and nighttime lows near 24°C (74°F). Expect roughly 211mm of precipitation spread over about 12 rainy days, and heavy rainfall is common — this is peak wet season territory.
☀️ About 166 hours of sunshine over the month (~6h/day).
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
August in Nagoya is hot, with average daytime highs around 33°C (92°F) and nighttime lows near 25°C (76°F). Expect roughly 140mm of precipitation spread over about 9 rainy days, and this is one of the wetter months.
☀️ About 201 hours of sunshine over the month (~7h/day).
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
September in Nagoya is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 21°C (70°F). Expect roughly 232mm of precipitation spread over about 11 rainy days, and heavy rainfall is common — this is peak wet season territory.
☀️ About 160 hours of sunshine over the month (~5h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
October in Nagoya is pleasantly warm, with average daytime highs around 23°C (74°F) and nighttime lows near 15°C (59°F). Expect roughly 165mm of precipitation spread over about 9 rainy days, and this is one of the wetter months.
☀️ About 169 hours of sunshine over the month (~6h/day).
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
November in Nagoya is mild, with average daytime highs around 17°C (63°F) and nighttime lows near 9°C (47°F). Expect roughly 79mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
☀️ About 167 hours of sunshine over the month (~6h/day).
🎒 What to pack — light jacket · layers for cool evenings
December in Nagoya is chilly, with average daytime highs around 12°C (53°F) and nighttime lows near 3°C (38°F). Expect roughly 57mm of precipitation spread over about 6 rainy days, with little rainfall.
☀️ About 170 hours of sunshine over the month (~6h/day).
🎒 What to pack — jacket or coat · long-sleeve layers