Saint Helena, Ascension and Tristan da Cunha
20 to 25°C
temperature
2190 hours
sunshine per day
75 mm
rain
258 days
dry
107 days
rain
0 days
snow

Climate of Saint Helena, Ascension and Tristan da Cunha

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 20°C and 25°C
  • Night:the average nighttime temperature is between 19°C and 24°C
  • Rain: it rains 107 days and there is a total of approximately 75 mm rainfall
  • Sun hours: throughout the year there are 2190 sun hours
Maximum temperature: between 20°C and 25°C
Warmest month: 25°C in March
Coldest month: 20°C in August
Night temperature: between 19°C and 24°C
Dry days: 258 days
Days with rain: 107 days
Days with snow: 0 days
Total rain sum: 75 mm
Hours of sunshine: 2190 hours

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Saint Helena, Ascension and Tristan da Cunha.

Precipitation graph

This graph shows the average amount of rainfall per month for Saint Helena, Ascension and Tristan da Cunha.

Climate table of Saint Helena, Ascension and Tristan da Cunha

In this climate table you can see at a glance what the average weather per month is for Saint Helena, Ascension and Tristan da Cunha. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Saint Helena, Ascension and Tristan da Cunha might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 23 24 25 24 23 22 21 20 20 20 20 21
Night temp. (°C) 22 24 24 24 23 22 20 20 19 19 20 21
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 7 6 7 5 5 9 7 7 5 5 5 7
Days with rain 8 8 11 8 8 11 11 10 8 8 7 9
Dry days 23 20 20 22 23 19 20 21 22 23 23 22
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 8 8 7 7 6 5 6 5 4 4 6 7
Wind force (Bft) 4 4 4 4 4 4 4 4 4 4 4 4
UV-index 6 6 6 6 6 6 5 5 4 4 5 5

Best time to visit Saint Helena, Ascension and Tristan da Cunha

To go to Saint Helena, Ascension and Tristan da Cunha, the best time to visit is January through December. In this period you have a pleasant temperature and almost no precipitation. In Saint Helena, Ascension and Tristan da Cunha, March is the warmest month with 25°C and the most cold month is 20°C in August.

Climate of Saint Helena, Ascension and Tristan da Cunha by month

What is the average climate in a given month for Saint Helena, Ascension and Tristan da Cunha? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Saint Helena, Ascension and Tristan da Cunha weather experiences

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