Hangzhou weather by month & the best time to visit
China · major coastal city · humid subtropical climate
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The best time to visit Hangzhou is October — its sunniest month (Sunshine Score 73/100), with April close behind. Hangzhou averages about 1,344 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 73 mm of rain in October.
When is the best time to visit Hangzhou?
For sunshine, the best time to visit Hangzhou is October, then April. The dullest month is January (6/100, 79 mm of rain). The full month-by-month picture is in the table below.
How sunny is Hangzhou?
Hangzhou isn't a sunny place by world standards: about 1,344 hours of sunshine a year. 67 Sunshine Score points separate October (73) from January (6), so the month you pick matters. It ranks #197 of 254 destinations in China for annual sunshine, below the national median of 2,110 hours. The year's 1,460 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 6 | 9° / 48°F | 1° / 34°F | 79 mm | 2 | 9° / 48°F |
| February | 23 | 12° / 54°F | 2° / 36°F | 92 mm | 3 | 8° / 46°F |
| March | 44 | 16° / 61°F | 6° / 43°F | 113 mm | 4 | 11° / 52°F |
| April | 65 | 22° / 72°F | 11° / 52°F | 118 mm | 5 | 18° / 64°F |
| May | 62 | 26° / 79°F | 17° / 63°F | 134 mm | 5 | 22° / 72°F |
| June | 59 | 29° / 84°F | 21° / 70°F | 242 mm | 5 | 26° / 79°F |
| July | 59 | 32° / 90°F | 25° / 77°F | 148 mm | 7 | 31° / 88°F |
| August | 59 | 32° / 90°F | 25° / 77°F | 183 mm | 7 | 33° / 91°F |
| September | 62 | 28° / 82°F | 21° / 70°F | 133 mm | 5 | 30° / 86°F |
| October | 73 | 24° / 75°F | 15° / 59°F | 73 mm | 4 | 24° / 75°F |
| November | 59 | 18° / 64°F | 9° / 48°F | 81 mm | 3 | 18° / 64°F |
| December | 25 | 12° / 54°F | 3° / 37°F | 64 mm | 2 | 11° / 52°F |
Sea temperature in Hangzhou by month
The sea off Hangzhou is warmest in August at around 33°C / 91°F, and coolest in February at 8°C / 46°F. The water sits at a comfortable 21°C or warmer roughly 6 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Head-to-head
How Hangzhou compares month by month: Hangzhou vs Ningbo · Hangzhou vs Yiwu/Jinhua · Hangzhou vs Jiaxing · all comparisons
Hangzhou: questions and answers
What kind of destination is Hangzhou?
Hangzhou is a major coastal city in China with a humid subtropical climate — the sea reaches 33°C at its warmest and is swimmable (21°C+) about 6 months a year.
How many hours of sunshine does Hangzhou get a year?
Hangzhou gets about 1,344 hours of sunshine a year, at its best around October.
When is the best time to visit Hangzhou?
The sunniest time to visit Hangzhou is October, when the Sunshine Score peaks at 73/100 (with April close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Hangzhou?
January is the least sunny month in Hangzhou, scoring 6/100 with about 79 mm of rain.
What is the sea temperature in Hangzhou?
The sea in Hangzhou ranges from about 8°C (February) to 33°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Hangzhou?
The typical midday UV index in Hangzhou peaks around 7 (high) in July, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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