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

Climate data from city: Jamestown




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

The weather for Saint Helena, Ascension and Tristan da Cunha will be 24° till 25° degrees in the next 14 days with every day 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
Max/min
Precip
Wind
Water
UV
Wednesday
19 january
Icon
24°C
23°C
0.1 mm
20%
6 Bft
ZO
25°C
1
Thursday
20 january
Icon
24°C
23°C
0.6 mm
15%
5 Bft
OZO
25°C
3
Friday
21 january
Icon
24°C
24°C
0.6 mm
15%
4 Bft
O
25°C
3
Saturday
22 january
Icon
24°C
23°C
0.8 mm
20%
4 Bft
O
25°C
2
Sunday
23 january
Icon
24°C
23°C
0.6 mm
15%
5 Bft
OZO
25°C
2
Monday
24 january
Icon
25°C
24°C
0.6 mm
15%
7 Bft
ZO
25°C
3
Tuesday
25 january
Icon
25°C
24°C
0.7 mm
20%
6 Bft
OZO
25°C
3
Weather
Max/min
Precip
Wind
Water
UV
Wednesday
26 january
Icon
25°C
24°C
1.3 mm
30%
6 Bft
OZO
25°C
3
Thursday
27 january
Icon
25°C
24°C
0.8 mm
20%
6 Bft
OZO
25°C
3
Friday
28 january
Icon
25°C
24°C
0.2 mm
20%
6 Bft
OZO
25°C
3
Saturday
29 january
Icon
25°C
24°C
0.5 mm
15%
7 Bft
ZO
25°C
3
Sunday
30 january
Icon
25°C
24°C
0.8 mm
20%
9 Bft
ZO
25°C
3
Monday
31 january
Icon
25°C
24°C
1.0 mm
25%
8 Bft
OZO
25°C
3
Tuesday
1 february
Icon
25°C
24°C
0.8 mm
20%
7 Bft
OZO
25°C
3

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 4,671 miles from United Kingdom (London → Jamestown).

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

The flight time from London-Heathrow to Saint Helena, Ascension and Tristan da Cunha is approximately 10 h. 30 min.

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 191 mi². It is 1273x smaller than United Kingdom.

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 January 2022

  • 1 British pound = 1.00 Saint Helena pound
  • 1 Saint Helena pound = 1.00 British pound
  • 100 British pound = 100.01 Saint Helena pound
  • 100 Saint Helena pound = 100.00 British pound