Haishan monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Haishan

Haishan average temperature chart (Celsius) Haishan average temperature chart (Fahrenheit)
Average monthly temperatures in Haishan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.7 9.9 13.3 18.6 22.8 26 30.3 30.4 27.3 22.8 17.9 12.4
°F 49.5 49.8 56 65.5 73 78.8 86.5 86.6 81.1 73.1 64.3 54.4

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Haishan monthly rainfall chart (mm) Haishan monthly rainfall chart (inches)
Average monthly rainfall in Haishan (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 55 81 120 149 200 215 144 210 204 90 72 45
inches 2.2 3.2 4.7 5.9 7.9 8.5 5.7 8.2 8 3.5 2.9 1.8
Rainy days 15 16 19 19 20 18 14 15 14 12 13 13

Average annual rainfall in Haishan: 1732.533mm (682.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Haishan

Haishan average daily sunshine chart
Average daily sunshine Haishan
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.3 3.6 3.7 4.5 4.5 4.9 8.1 8.2 6.5 5.6 4.9 5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Haishan average minimum / maximum temperatures (Celsius) Haishan average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Haishan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.3 4 7.1 12.1 17.1 20.9 24.4 24.3 21.4 16.4 11.3 5.6
Max °C 9.9 10.1 13.5 18.8 22.9 26.2 30.4 30.5 27.4 23 18.1 12.6
Min °F 37.9 39.1 44.8 53.7 62.8 69.5 75.9 75.7 70.5 61.5 52.3 42.1
Max °F 43.9 44.6 50.5 59.7 68 74.3 81.3 81.3 75.9 67.5 58.5 48.4

Sea temperature

The graph below shows the average sea temperature.

Haishan average sea temperature chart (Celsius) Haishan average sea temperature chart (Fahrenheit)
Average sea temperature around Haishan in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.2 13 13.6 15.9 20.5 24.4 27.3 28 26.8 23.8 20.7 17.1
°F 57.5 55.4 56.5 60.5 68.9 75.9 81.1 82.5 80.3 74.9 69.3 62.7

Wind speed

The graph below shows the average wind speed.

Haishan average winspeed by month (km/h) Haishan average winspeed by month (mph)
Average wind speed in Haishan (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 10 9 9 8 8 9 9 9 9 9 9
mph 6 6 6 6 5 5 6 6 5 5 6 6

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Haishan relative humidity averages
Average relative humidity in Haishan
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
75% 79% 82% 83% 85% 88% 84% 82% 82% 78% 75% 73%

Other monthly averages

UV index Best time to go?

Haishan weather stats

Haishan weather statistics
Hottest month: July 30.3°C 86.5°F
Driest month: December 45mm 1.8ins
Sunniest month: August 8.2hrs
Coldest month: January 9.7°C 49.5°F
Wettest month: June 215mm 8.5ins
Warmest sea: August 28°C 82.4°F
Map showing location of Haishan (28.22541, 121.16548) Haishan map pin © Google

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