Climate in Ascension Island

Ascension Island has a subtropical climate and experiences warm weather all year round, with an average humidity of 69 percent. The average temperature reaches a maximum of 88ºF (31ºC) during the months of January, February and March and temperatures generally stay within the range of 71°F (22ºC) to 88°F (31ºC) all year round. The South East Trade Winds moderate these temperatures and rainfall varies. Temperatures at sea level range from 68ºF (20ºC) to 88ºF (31ºC) and about 58ºF (14ºC) to 78ºF (26ºC) on Green Mountain. The rainiest months in Ascension Island are March to May, though even the peak rainy season averages no more than four days of showers per month. March has the longest days, with up to 8.9 hours of sunshine, while October days are the shortest with only 5.2 hours of light.