China · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Hangzhou are April, October and November, when daytime temperatures are agreeable and rainfall is relatively low.
Hangzhou sees its warmest weather in July, when daytime highs average around 34°C, and its coolest in January (around 9°C).
Annual precipitation totals roughly 1492mm — June is typically the wettest month (~258mm) and December the driest (~64mm).
A distinctly wetter period runs from March to September — worth planning around if you prefer dry days.
July is the sunniest month, with about 205 hours of sunshine.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 9° / 2°C | 93mm | ⚠️ Challenging |
| February | 11° / 4°C | 90mm | 🤔 Fair |
| March | 16° / 8°C | 136mm | 🤔 Fair |
| April | 22° / 13°C | 117mm | 🌟 Great |
| May | 27° / 18°C | 127mm | 👍 Good |
| June | 29° / 22°C | 258mm | 🤔 Fair |
| July | 34° / 26°C | 168mm | ⚠️ Challenging |
| August | 33° / 25°C | 177mm | ⚠️ Challenging |
| September | 29° / 21°C | 113mm | 👍 Good |
| October | 24° / 16°C | 74mm | 🌟 Great |
| November | 18° / 10°C | 75mm | 👍 Good |
| December | 11° / 4°C | 64mm | 🤔 Fair |
January in Hangzhou is chilly, with average daytime highs around 9°C (47°F) and nighttime lows near 2°C (36°F). Expect roughly 93mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 96 hours of sunshine over the month (~3h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
February in Hangzhou is chilly, with average daytime highs around 11°C (52°F) and nighttime lows near 4°C (39°F). Expect roughly 90mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
☀️ About 98 hours of sunshine over the month (~3h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
March in Hangzhou is mild, with average daytime highs around 16°C (61°F) and nighttime lows near 8°C (46°F). Expect roughly 136mm of precipitation spread over about 12 rainy days, and this is one of the wetter months.
☀️ About 120 hours of sunshine over the month (~4h/day).
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket
April in Hangzhou is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 13°C (55°F). Expect roughly 117mm of precipitation spread over about 10 rainy days, and this is one of the wetter months.
☀️ About 145 hours of sunshine over the month (~5h/day).
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
May in Hangzhou is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 18°C (64°F). Expect roughly 127mm of precipitation spread over about 10 rainy days, and this is one of the wetter months.
☀️ About 159 hours of sunshine over the month (~5h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
June in Hangzhou is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 22°C (71°F). Expect roughly 258mm of precipitation spread over about 13 rainy days, and heavy rainfall is common — this is peak wet season territory.
☀️ About 120 hours of sunshine over the month (~4h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
July in Hangzhou is hot, with average daytime highs around 34°C (93°F) and nighttime lows near 26°C (78°F). Expect roughly 168mm of precipitation spread over about 9 rainy days, and this is one of the wetter months.
☀️ About 205 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
August in Hangzhou is hot, with average daytime highs around 33°C (92°F) and nighttime lows near 25°C (78°F). Expect roughly 177mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
☀️ About 188 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
September in Hangzhou is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 21°C (71°F). Expect roughly 113mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.
☀️ About 140 hours of sunshine over the month (~5h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
October in Hangzhou is pleasantly warm, with average daytime highs around 24°C (74°F) and nighttime lows near 16°C (60°F). Expect roughly 74mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
☀️ About 142 hours of sunshine over the month (~5h/day).
🎒 What to pack — light layers · comfortable walking shoes
November in Hangzhou is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 10°C (50°F). Expect roughly 75mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 119 hours of sunshine over the month (~4h/day).
🎒 What to pack — light jacket · layers for cool evenings
December in Hangzhou is chilly, with average daytime highs around 11°C (52°F) and nighttime lows near 4°C (40°F). Expect roughly 64mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.
☀️ About 113 hours of sunshine over the month (~4h/day).
🎒 What to pack — jacket or coat · long-sleeve layers