Zhoushan
29.99° N, 122.21° E
When to go?
Mean 7 °C, 10 rain days in the month (86 mm).
Nothing against it.
Mean 8 °C, 11 rain days in the month (90 mm).
Nothing against it.
Mean 11 °C, 13 rain days in the month (124 mm).
Nothing against it.
Mean 15 °C, 12 rain days in the month (109 mm).
Nothing against it.
Mean 20 °C, 12 rain days in the month (137 mm).
Nothing against it.
Mean 23 °C, 14 rain days in the month (236 mm).
Nothing against it.
Mean 27 °C, 7 rain days in the month (100 mm).
Good for
- Ideal for the seawater at 26 °C
Against
- Hothighs of 29 °C
Mean 28 °C, 9 rain days in the month (125 mm).
Good for
- Ideal for the seawater at 27 °C
Against
- Hothighs of 30 °C
- Typhoonsone within 300 km, 1 year in 4
Mean 25 °C, 11 rain days in the month (173 mm).
Good for
- Ideal for the seawater at 26 °C
Against
- Hothighs of 27 °C
- Typhoonsone within 300 km, 1 year in 5
Mean 21 °C, 8 rain days in the month (95 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
- Ideal for the seawater at 23 °C
Mean 16 °C, 10 rain days in the month (88 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 10 °C, 8 rain days in the month (72 mm).
Nothing against it.
The best months are October–November. Ideal for the sea: July–October. Avoid July–September (hot, at times typhoons).
What is the climate like?
Temperature and rain
Monthly min and max temperature (°C)
Monthly min and max temperature (°C)
How much it rains
Rain days and how much water
Rain days and how much water
Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day
Colour = the month's rain: 103060100160250400mm
Daylight hours
Daylight and sky: sunrise, sunset and cloud cover
daylight under a clear sky (average share)daylight under cloud
daylight under a clear sky (average share)daylight under cloud
Times on the 15th of each month, in local time: daylight saving where and when it applies, standard time in the other months.
Sea temperature: East China Sea
Monthly mean sea temperature: East China Sea (°C)
Monthly mean sea temperature: East China Sea (°C)
Effect of climate change
Today's climate (1996–2025) compared with 1961–1990:
In short
Year by year
Temperature of each year
Against 1961–1990 the mean temperature of today (1996–2025) has changed by +0.9 °C; in the last ten years by +1.3 °C. Warmest year: 2025 (+1.9 °C), coldest: 1969 (−0.7 °C).
March and February warmed the most (+1.3 and +1.1 °C), July the least (+0.4 °C). The warm season (above the annual mean of then, 17 °C) begins 6 days earlier and ends 6 days later.
Warming stripes: after an idea by Ed Hawkins (University of Reading), showyourstripes.info, CC BY 4.0.
Rain of each year (% against 1961–1990)
more rain than in 1961–1990less rain
Rain in a year: no clear trend, dry and wet years alternate as before.
The sea, then and now
+0.6 °Cthe sea today, compared with 1961–1990