Saint Helena, Ascension and Tristan da Cunha weather, climate and best time to visit

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

The best time to visit in 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 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 weather Saint Helena, Ascension and Tristan da Cunha by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temperature (°C) 23 24 25 24 23 22 21 20 20 20 20 21
Precipitation (mm) 7 6 7 5 5 9 7 7 5 5 5 7

Travel and stay Saint Helena, Ascension and Tristan da Cunha

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14 day weather forecast Saint Helena, Ascension and Tristan da Cunha

The weather for in Saint Helena, Ascension and Tristan da Cunha will be around 20° degrees in the next 14 days with several days chance of light rain showers.

The weather forecast for Saint Helena, Ascension and Tristan da Cunha is based on the weather conditions in the city of Jamestown.

Weather forecast this week

Sunday 19 Sep Water Precip Chance Wind UV
19°
18°
21° 0.3 mm 20% 9 m/s 4
Monday 20 Sep Water Precip Chance Wind UV
19°
18°
21° 0.7 mm 40% 7 m/s 5
Tuesday 21 Sep Water Precip Chance Wind UV
19°
19°
21° 0.1 mm 10% 4 m/s 9
Wednesday 22 Sep Water Precip Chance Wind UV
19°
19°
21° 0 mm 0% 6 m/s 9
Thursday 23 Sep Water Precip Chance Wind UV
20°
19°
21° 0 mm 0% 7 m/s 9
Friday 24 Sep Water Precip Chance Wind UV
20°
19°
21° 0 mm 0% 6 m/s 9
Saturday 25 Sep Water Precip Chance Wind UV
20°
19°
21° 0 mm 0% 8 m/s 10

Weather forecast next week

Sunday 26 Sep Water Precip Chance Wind UV
20°
19°
21° 0.1 mm 20% 10 m/s 11
Monday 27 Sep Water Precip Chance Wind UV
20°
20°
21° 0.5 mm 15% 9 m/s 4
Tuesday 28 Sep Water Precip Chance Wind UV
20°
19°
21° 0.8 mm 45% 10 m/s 4
Wednesday 29 Sep Water Precip Chance Wind UV
20°
19°
21° 0.3 mm 25% 8 m/s 1
Thursday 30 Sep Water Precip Chance Wind UV
20°
19°
21° 0.3 mm 25% 11 m/s 1
Friday 1 Oct Water Precip Chance Wind UV
19°
19°
21° 0.4 mm 30% 11 m/s 1
Saturday 2 Oct Water Precip Chance Wind UV
19°
18°
21° 0.5 mm 35% 10 m/s 0

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.

Climate table of Saint Helena, Ascension and Tristan da Cunha

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
Climate data from city: Jamestown

Saint Helena, Ascension and Tristan da Cunha weather by month

What is the average weather like in a given month for Saint Helena, Ascension and Tristan da Cunha? 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.

Weather experiences Saint Helena, Ascension and Tristan da Cunha

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Frequently asked questions

Where is Saint Helena, Ascension and Tristan da Cunha?

Saint Helena, Ascension and Tristan da Cunha lies in a straight line about 3,136 km from New Zealand (Cape Town → Jamestown).

How long is the flight to Saint Helena, Ascension and Tristan da Cunha?

The flight time from Cape Town International Airport to Saint Helena, Ascension and Tristan da Cunha is approximately 5 hours.

How many inhabitants are there in Saint Helena, Ascension and Tristan da Cunha?

Saint Helena, Ascension and Tristan da Cunha has approximately 7,828 inhabitants.

How big is Saint Helena, Ascension and Tristan da Cunha?

The area of Saint Helena, Ascension and Tristan da Cunha is around 308 km². It is 3964x smaller than New Zealand.

What is the capital of Saint Helena, Ascension and Tristan da Cunha?

The capital of Saint Helena, Ascension and Tristan da Cunha is Jamestown.

What is the currency of Saint Helena, Ascension and Tristan da Cunha?

In Saint Helena, Ascension and Tristan da Cunha the Saint Helena pound (SHP) is used to pay.

Exchange rates on 19 September 2021

  • 1 Saint Helena pound = 0.049 South African rand
  • 1 South African rand = 20.44 Saint Helena pound
  • 10 Saint Helena pound = 0.489 South African rand
  • 10 South African rand = 204.43 Saint Helena pound
  • 100 Saint Helena pound = 4.89 South African rand
  • 100 South African rand = 2,044.32 Saint Helena pound