Saint Helenawhen to go
Saint Helena's national averages run from 22 °C in September to 26 °C in March, with rainfall between 10 mm in November and 22 mm in March and 5.2–9.6 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are November, January and February. Its 3 regions span 15–25 °C in annual mean temperature, so the national figure hides a good deal.
- Region
- Africa
- Area
- 185 km²
When Saint Helena shines
A decade of weather, in one page
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 24.3 | 23.6 | 22.4 | 25.3 |
| February | 25.3 | 24.5 | 23.5 | 26.4 |
| March | 25.8 | 25.0 | 24.1 | 26.9 |
| April | 25.6 | 24.8 | 24.1 | 26.4 |
| May | 24.8 | 24.0 | 23.3 | 25.5 |
| June | 23.7 | 22.9 | 22.2 | 24.4 |
| July | 22.6 | 21.8 | 21.1 | 23.3 |
| August | 21.9 | 21.2 | 20.6 | 22.5 |
| September | 21.5 | 20.8 | 20.4 | 22.0 |
| October | 21.6 | 20.9 | 20.4 | 22.1 |
| November | 22.2 | 21.5 | 20.9 | 23.0 |
| December | 23.0 | 22.4 | 21.5 | 24.1 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 12 |
| February | 14 |
| March | 22 |
| April | 17 |
| May | 14 |
| June | 15 |
| July | 16 |
| August | 16 |
| September | 15 |
| October | 12 |
| November | 10 |
| December | 11 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 9.6 |
| February | 9.1 |
| March | 8.3 |
| April | 7.2 |
| May | 6.1 |
| June | 5.5 |
| July | 5.2 |
| August | 5.7 |
| September | 6.5 |
| October | 7.5 |
| November | 8.7 |
| December | 9.3 |
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 22.6 | 15.9 | 28.3 |
| February | 23.6 | 18.0 | 28.8 |
| March | 24.1 | 18.1 | 29.6 |
| April | 25.2 | 17.8 | 32.9 |
| May | 26.2 | 17.7 | 34.1 |
| June | 26.6 | 16.2 | 36.4 |
| July | 28.5 | 17.5 | 36.9 |
| August | 28.8 | 18.5 | 38.0 |
| September | 29.4 | 20.5 | 38.1 |
| October | 27.9 | 20.4 | 35.3 |
| November | 26.0 | 18.8 | 32.5 |
| December | 25.6 | 19.0 | 31.4 |
Snow depth for Saint Helena is part of the Premium map and its district-level detail. See what Premium includes.
Sea surface temperature for Saint Helena is part of the Premium map and its district-level detail. See what Premium includes.
Heat index for Saint Helena is part of the Premium map and its district-level detail. See what Premium includes.
Humidity for Saint Helena is part of the Premium map and its district-level detail. See what Premium includes.
Saint Helena, taken apart
No advisory on file for Saint Helena
None of the six governments we track publishes a country-wide advisory for Saint Helena. That is not the same as a clean bill of health — check your own government’s guidance before you travel.
A year in Saint Helena, in order
- JanJanuary24.3°C · 12 mm · 9.6 hr/day
Around 24 °C with 12 mm of rain and 9.6 hours of sun a day.
Around 24 °C with 12 mm of rain and 9.6 hours of sun a day.
- FebFebruary25.3°C · 14 mm · 9.1 hr/day
Around 25 °C with 14 mm of rain and 9.1 hours of sun a day.
Around 25 °C with 14 mm of rain and 9.1 hours of sun a day.
- MarMarch25.8°C · 22 mm · 8.3 hr/day
Around 26 °C with 22 mm of rain and 8.3 hours of sun a day.
Around 26 °C with 22 mm of rain and 8.3 hours of sun a day.
- AprApril25.6°C · 17 mm · 7.2 hr/day
Around 26 °C with 17 mm of rain and 7.2 hours of sun a day.
Around 26 °C with 17 mm of rain and 7.2 hours of sun a day.
- MayMay24.8°C · 14 mm · 6.1 hr/day
Around 25 °C with 14 mm of rain and 6.1 hours of sun a day.
Around 25 °C with 14 mm of rain and 6.1 hours of sun a day.
- JunJune23.7°C · 15 mm · 5.5 hr/day
Around 24 °C with 15 mm of rain and 5.5 hours of sun a day.
Around 24 °C with 15 mm of rain and 5.5 hours of sun a day.
- JulJuly22.6°C · 16 mm · 5.2 hr/day
Around 23 °C with 16 mm of rain and 5.2 hours of sun a day.
Around 23 °C with 16 mm of rain and 5.2 hours of sun a day.
- AugAugust21.9°C · 16 mm · 5.7 hr/day
Around 22 °C with 16 mm of rain and 5.7 hours of sun a day.
Around 22 °C with 16 mm of rain and 5.7 hours of sun a day.
- SepSeptember21.5°C · 15 mm · 6.5 hr/day
Around 22 °C with 15 mm of rain and 6.5 hours of sun a day.
Around 22 °C with 15 mm of rain and 6.5 hours of sun a day.
- OctOctober21.6°C · 12 mm · 7.5 hr/day
Around 22 °C with 12 mm of rain and 7.5 hours of sun a day.
Around 22 °C with 12 mm of rain and 7.5 hours of sun a day.
- NovNovember22.2°C · 10 mm · 8.7 hr/day
Around 22 °C with 10 mm of rain and 8.7 hours of sun a day.
Around 22 °C with 10 mm of rain and 8.7 hours of sun a day.
- DecDecember23.0°C · 11 mm · 9.3 hr/day
Around 23 °C with 11 mm of rain and 9.3 hours of sun a day.
Around 23 °C with 11 mm of rain and 9.3 hours of sun a day.
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