Haimen monthly weather averages

Average daytime temperature

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

Haimen average temperature chart (Celsius) Haimen average temperature chart (Fahrenheit)
Average monthly temperatures in Haimen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.6 7.3 11.4 17.6 22.8 26.6 30.5 30.6 26.2 21.6 15.7 9.4
°F 43.8 45.2 52.6 63.6 73 79.8 86.9 87.1 79.1 70.8 60.3 48.9

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.

Haimen monthly rainfall chart (mm) Haimen monthly rainfall chart (inches)
Average monthly rainfall in Haimen (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 37 50 67 90 104 159 172 128 127 56 50 33
inches 1.5 2 2.6 3.5 4.1 6.3 6.8 5 5 2.2 2 1.3
Rainy days 10 11 12 14 14 14 12 11 13 11 10 10

Average annual rainfall in Haimen: 1226.467mm (482.9 inches)

Average daily sunshine

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

Haimen average daily sunshine chart
Average daily sunshine Haimen
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 4.9 5.3 5.9 6.5 6.2 7.5 8.2 6.2 6 5.6 5.5

Day / night temperatures

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

Haimen average minimum / maximum temperatures (Celsius) Haimen average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Haimen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.4 0.5 4 9.5 14.6 19.5 24 23.9 19.7 13.9 7.7 1.4
Max °C 6.8 7.5 11.6 17.8 23 26.8 30.7 30.8 26.4 21.8 15.9 9.6
Min °F 31.4 32.9 39.2 49 58.3 67 75.1 74.9 67.4 56.9 45.9 34.5
Max °F 37.8 39.2 46 56.5 65.8 73.6 81.1 81.1 73.4 64 53.2 41.9

Sea temperature

The graph below shows the average sea temperature.

Haimen average sea temperature chart (Celsius) Haimen average sea temperature chart (Fahrenheit)
Average sea temperature around Haimen in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.6 7 8.2 11.5 16.9 21.7 25.5 27.3 25.4 22 18 12.9
°F 47.5 44.5 46.7 52.6 62.4 71 78 81.1 77.8 71.6 64.5 55.3

Wind speed

The graph below shows the average wind speed.

Haimen average winspeed by month (km/h) Haimen average winspeed by month (mph)
Average wind speed in Haimen (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 12 12 12 11 11 11 11 10 10 10 10
mph 7 7 8 8 7 7 7 7 6 6 7 7

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.

Haimen relative humidity averages
Average relative humidity in Haimen
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 74% 74% 76% 77% 80% 81% 80% 80% 76% 75% 73%

Other monthly averages

UV index Best time to go?

Haimen weather stats

Haimen weather statistics
Hottest month: July 30.5°C 86.9°F
Driest month: December 33mm 1.3ins
Sunniest month: August 8.2hrs
Coldest month: January 6.6°C 43.9°F
Wettest month: July 172mm 6.8ins
Warmest sea: August 27.3°C 81.1°F
Map showing location of Haimen (31.89619, 121.17274) Haimen map pin © Google

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