Ascensión monthly weather averages

Average daytime temperature

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

Ascensión average temperature chart (Celsius) Ascensión average temperature chart (Fahrenheit)
Average monthly temperatures in Ascensión (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 30.9 30.8 30.6 30.5 28.7 27.1 28.3 31 32.1 32.6 31.9 31.4
°F 87.6 87.5 87.1 86.9 83.6 80.8 82.9 87.7 89.9 90.7 89.5 88.5

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.

Ascensión monthly rainfall chart (mm) Ascensión monthly rainfall chart (inches)
Average monthly rainfall in Ascensión (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 188 168 140 54 59 44 30 38 40 81 139 155
inches 7.4 6.6 5.5 2.1 2.3 1.7 1.2 1.5 1.6 3.2 5.5 6.1
Rainy days 14 13 11 7 6 4 3 3 5 7 9 12

Average annual rainfall in Ascensión: 1057.767mm (416.4 inches)

Average daily sunshine

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

Ascensión average daily sunshine chart
Average daily sunshine Ascensión
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.5 6.5 6.7 7.4 7.2 7.5 8.1 8.9 8.1 7.7 7.7 6.6

Day / night temperatures

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

Ascensión average minimum / maximum temperatures (Celsius) Ascensión average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ascensión (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.9 22 21.6 20.1 18.5 16.4 15.8 17.3 19.6 21.1 21.2 21.8
Max °C 31.1 31.1 30.9 30.8 28.9 27.4 28.6 31.3 32.5 32.9 32.2 31.7
Min °F 71.4 71.5 70.8 68.1 65.3 61.5 60.4 63.1 67.2 70 70.2 71.2
Max °F 79.7 79.7 79.2 77.7 74.7 71.4 72 75.7 78.8 80.6 80.1 80.1

Sea temperature

The graph below shows the average sea temperature.

Ascensión average sea temperature chart (Celsius) Ascensión average sea temperature chart (Fahrenheit)
Average sea temperature around Ascensión in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.3 24.7 24.2 23 21.5 20.3 19.3 18.9 19.3 20.1 21.4 22.9
°F 75.8 76.4 75.5 73.4 70.8 68.5 66.7 66 66.7 68.2 70.5 73.2

Wind speed

The graph below shows the average wind speed.

Ascensión average winspeed by month (km/h) Ascensión average winspeed by month (mph)
Average wind speed in Ascensión (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 13 12 11 12 13 15 16 17 16 15 14
mph 9 8 7 7 7 8 9 10 11 10 9 9

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.

Ascensión relative humidity averages
Average relative humidity in Ascensión
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 81% 78% 77% 77% 77% 71% 66% 63% 69% 73% 77%

Other monthly averages

UV index Best time to go?

Ascensión weather stats

Ascensión weather statistics
Hottest month: October 32.6°C 90.7°F
Driest month: July 30mm 1.2ins
Sunniest month: August 8.9hrs
Coldest month: June 27.1°C 80.8°F
Wettest month: January 188mm 7.4ins
Warmest sea: February 24.7°C 76.5°F
Map showing location of Ascensión (-15.7, -63.08333) Ascensión map pin © Google

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