Zhoushan weather by month & the best time to visit
🇨🇳 China · coastal city break · humid subtropical climate
The best time to visit Zhoushan is October — its sunniest month (Sunshine Score 71/100), with July close behind. Zhoushan averages about 1,483 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 90 mm of rain in October.
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- Sun hours / year
- 1,483
- Sunniest month
- October
- Peak score
- 71/100
- Rain / year
- 1,524 mm
- Midday UV at peak
- 9 (very high)
- Sea at warmest
- 30°C / 86°F
- Population
- 883k
- Elevation
- Sea level
When is the best time to visit Zhoushan?
For sunshine, the best time to visit Zhoushan is October, then July. The dullest month is January (12/100, 82 mm of rain). The full month-by-month picture is in the table below.
How sunny is Zhoushan?
Zhoushan isn't a sunny place by world standards: about 1,483 hours of sunshine a year. 59 Sunshine Score points separate October (71) from January (12), so the month you pick matters. It ranks #173 of 254 destinations in China for annual sunshine, below the national median of 2,110 hours. The year's 1,524 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 | 12 | 10° / 50°F | 8° / 46°F | 82 mm | 2 | 10° / 50°F |
| February | 12 | 10° / 50°F | 8° / 46°F | 85 mm | 3 | 8° / 46°F |
| March | 21 | 12° / 54°F | 10° / 50°F | 123 mm | 4 | 10° / 50°F |
| April | 37 | 15° / 59°F | 13° / 55°F | 126 mm | 5 | 15° / 59°F |
| May | 60 | 20° / 68°F | 18° / 64°F | 157 mm | 6 | 19° / 66°F |
| June | 60 | 24° / 75°F | 22° / 72°F | 255 mm | 6 | 24° / 75°F |
| July | 62 | 27° / 81°F | 26° / 79°F | 135 mm | 9 | 27° / 81°F |
| August | 60 | 28° / 82°F | 27° / 81°F | 145 mm | 9 | 30° / 86°F |
| September | 60 | 26° / 79°F | 25° / 77°F | 149 mm | 7 | 29° / 84°F |
| October | 71 | 22° / 72°F | 21° / 70°F | 90 mm | 5 | 24° / 75°F |
| November | 58 | 18° / 64°F | 16° / 61°F | 92 mm | 3 | 20° / 68°F |
| December | 30 | 13° / 55°F | 11° / 52°F | 85 mm | 2 | 13° / 55°F |
Sea temperature in Zhoushan by month
The sea off Zhoushan is warmest in August at around 30°C / 86°F, and coolest in February at 8°C / 46°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Zhoushan on the interactive sunshine globe →
Nearby places for sunshine
- Ningbo China · 88 km · best in Oct · 1,423 h sun/yr
- Shanghai (Pudong) China · 145 km · best in Oct · 1,596 h sun/yr
- Taizhou (Luqiao) China · 177 km · best in Oct · 1,504 h sun/yr
- Jiaxing China · 184 km · best in Oct · 1,344 h sun/yr
- Hangzhou China · 189 km · best in Oct · 1,344 h sun/yr
- Yiwu/Jinhua China · 235 km · best in Oct · 1,356 h sun/yr
Head-to-head
How Zhoushan compares month by month: Zhoushan vs Shanghai (Pudong) · Zhoushan vs Ningbo · Zhoushan vs Taizhou (Luqiao) · all comparisons
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