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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 in Saint Helena, Ascension and Tristan da Cunha will be around 20° 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 forecast this week
 |
Wednesday 27 Oct | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.6 mm | 40% | 9 m/s | 12 | |
 |
Thursday 28 Oct | Water | Precip | Chance | Wind | UV |
19° 19° |
21° | 0.6 mm | 40% | 8 m/s | 11 | |
|
Friday 29 Oct | Water | Precip | Chance | Wind | UV |
19° 19° |
21° | 0.2 mm | 15% | 5 m/s | 11 | |
|
Saturday 30 Oct | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.1 mm | 20% | 5 m/s | 11 | |
|
Sunday 31 Oct | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.1 mm | 20% | 7 m/s | 8 | |
|
Monday 1 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.3 mm | 20% | 9 m/s | 10 | |
|
Tuesday 2 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.5 mm | 35% | 8 m/s | 7 |
Weather forecast next week
|
Wednesday 3 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.6 mm | 40% | 8 m/s | 11 | |
|
Thursday 4 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.5 mm | 35% | 9 m/s | 5 | |
|
Friday 5 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.2 mm | 15% | 9 m/s | 0 | |
|
Saturday 6 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.2 mm | 15% | 8 m/s | 1 | |
|
Sunday 7 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.3 mm | 20% | 8 m/s | 0 | |
|
Monday 8 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.2 mm | 15% | 8 m/s | 1 | |
|
Tuesday 9 Nov | Water | Precip | Chance | Wind | UV |
20° 19° |
21° | 0.1 mm | 10% | 8 m/s | 1 |
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 9,429 km from United States (New York → Jamestown).
How long is the flight to Saint Helena, Ascension and Tristan da Cunha?
The flight time from Los Angeles International Airport (LAX) to Saint Helena, Ascension and Tristan da Cunha is approximately 16 h. 20 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 308 km². It is 791x smaller than United States.
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 27 October 2021
- 1 Saint Helena pound = 0.75 US dollar
- 1 US dollar = 1.33 Saint Helena pound
- 10 Saint Helena pound = 7.54 US dollar
- 10 US dollar = 13.25 Saint Helena pound
- 100 Saint Helena pound = 75.44 US dollar
- 100 US dollar = 132.55 Saint Helena pound