Best time to visit Saint Helena, Ascension and Tristan da Cunha
The best time to visit Saint Helena, Ascension and Tristan da Cunha is from January until December, when you will have a pleasant temperature and limited rainfall. The highest average temperature in in Saint Helena, Ascension and Tristan da Cunha is 25°C in March and the lowest is 20°C in August.
If you want to know what the average temperature is in Saint Helena, Ascension and Tristan da Cunha or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.
Average Saint Helena, Ascension and Tristan da Cunha weather by month
Saint Helena, Ascension and Tristan da Cunha weather
The Saint Helena, Ascension and Tristan da Cunha weather for will be 21° till 23° degrees in the next 14 days with every day chance of light rain showers. The water temperature is 25°C.
The Saint Helena, Ascension and Tristan da Cunha weather forecast is based on the weather conditions in the city of Jamestown.
Saint Helena, Ascension and Tristan da Cunha 14 day weather forecast
Weather
Max/min
Precip
Wind
Water
UV
Wednesday 18 may
22°C 22°C
1.8 mm 40%
7 Bft SE
25°C
5
Thursday 19 may
23°C 22°C
3 mm 50%
9 Bft ESE
25°C
5
Friday 20 may
23°C 22°C
1.4 mm 30%
11 Bft ESE
25°C
3
Saturday 21 may
23°C 21°C
1.4 mm 30%
9 Bft ESE
25°C
7
Sunday 22 may
22°C 21°C
0.7 mm 20%
8 Bft ESE
25°C
5
Climate Saint Helena, Ascension and Tristan da Cunha
The average annual temperature for Saint Helena, Ascension and Tristan da Cunha is 22° degrees and there is about 75 mm of rain in a year. It is dry for 119 days a year with an average humidity of 78% and an UV-index of 5.
Saint Helena, Ascension and Tristan da Cunha weather by month
What is the average Saint Helena, Ascension and Tristan da Cunha weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
23°C