China · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Chengdu are April, May and October, when daytime temperatures are agreeable and rainfall is relatively low.
Chengdu sees its warmest weather in July, when daytime highs average around 30°C, and its coolest in January (around 9°C).
Annual precipitation totals roughly 909mm — July is typically the wettest month (~232mm) and December the driest (~6mm).
A distinctly wetter period runs from July to September — worth planning around if you prefer dry days.
August is the sunniest month, with about 128 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° / 3°C | 8mm | 🤔 Fair |
| February | 12° / 5°C | 11mm | 👍 Good |
| March | 17° / 8°C | 24mm | 🌟 Great |
| April | 23° / 13°C | 45mm | 🌟 Great |
| May | 26° / 17°C | 78mm | 🌟 Great |
| June | 28° / 21°C | 110mm | 👍 Good |
| July | 30° / 22°C | 232mm | ⚠️ Challenging |
| August | 30° / 22°C | 217mm | 🤔 Fair |
| September | 26° / 19°C | 121mm | 👍 Good |
| October | 21° / 15°C | 43mm | 🌟 Great |
| November | 16° / 10°C | 15mm | 👍 Good |
| December | 11° / 4°C | 6mm | 🤔 Fair |
January in Chengdu is chilly, with average daytime highs around 9°C (49°F) and nighttime lows near 3°C (37°F). Expect roughly 8mm of precipitation spread over about 3 rainy days, and rain is rare.
☀️ About 45 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
February in Chengdu is chilly, with average daytime highs around 12°C (54°F) and nighttime lows near 5°C (41°F). Expect roughly 11mm of precipitation spread over about 4 rainy days, and rain is rare.
☀️ About 52 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
March in Chengdu is mild, with average daytime highs around 17°C (62°F) and nighttime lows near 8°C (47°F). Expect roughly 24mm of precipitation spread over about 6 rainy days, with little rainfall.
☀️ About 79 hours of sunshine over the month (~3h/day).
🎒 What to pack — light jacket · layers for cool evenings
April in Chengdu is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 13°C (55°F). Expect roughly 45mm of precipitation spread over about 8 rainy days, with little rainfall.
☀️ About 106 hours of sunshine over the month (~4h/day).
🎒 What to pack — light layers · comfortable walking shoes
May in Chengdu is warm, with average daytime highs around 26°C (79°F) and nighttime lows near 17°C (63°F). Expect roughly 78mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 111 hours of sunshine over the month (~4h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses
June in Chengdu is warm, with average daytime highs around 28°C (83°F) and nighttime lows near 21°C (69°F). Expect roughly 110mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 104 hours of sunshine over the month (~3h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses
July in Chengdu is hot, with average daytime highs around 30°C (86°F) and nighttime lows near 22°C (72°F). Expect roughly 232mm of precipitation spread over about 12 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 — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
August in Chengdu is warm, with average daytime highs around 30°C (86°F) and nighttime lows near 22°C (71°F). Expect roughly 217mm of precipitation spread over about 12 rainy days, and heavy rainfall is common — this is peak wet season territory.
☀️ About 128 hours of sunshine over the month (~4h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
September in Chengdu is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 19°C (66°F). Expect roughly 121mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
☀️ About 63 hours of sunshine over the month (~2h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
October in Chengdu is pleasantly warm, with average daytime highs around 21°C (69°F) and nighttime lows near 15°C (58°F). Expect roughly 43mm of precipitation spread over about 8 rainy days, with little rainfall.
☀️ About 50 hours of sunshine over the month (~2h/day).
🎒 What to pack — light layers · comfortable walking shoes
November in Chengdu is mild, with average daytime highs around 16°C (61°F) and nighttime lows near 10°C (49°F). Expect roughly 15mm of precipitation spread over about 4 rainy days, and rain is rare.
☀️ About 53 hours of sunshine over the month (~2h/day).
🎒 What to pack — light jacket · layers for cool evenings
December in Chengdu is chilly, with average daytime highs around 11°C (51°F) and nighttime lows near 4°C (40°F). Expect roughly 6mm of precipitation spread over about 2 rainy days, and rain is rare.
☀️ About 51 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers