AU
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When to go · Climate guide
Sierra Leonewhen to go
Sierra Leone's national averages run from 28 °C in August to 35 °C in February, with rainfall between 9 mm in January and 547 mm in August and 1.6–8.4 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, December and January. Its 4 regions span 28–32 °C in annual mean temperature, so the national figure hides a good deal.
- Capital
- Freetown
- Region
- Africa
- TZ
- Africa/Freetown
- Area
- 71,576 km²
Best months to visit
When Sierra Leone shines
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 33.8 | 21.7 | 19.2 | 35.5 |
| February | 35.2 | 22.8 | 20.8 | 36.8 |
| March | 35.1 | 23.9 | 22.2 | 37.4 |
| April | 33.6 | 24.3 | 23.2 | 35.9 |
| May | 31.4 | 24.0 | 23.0 | 33.9 |
| June | 29.4 | 23.0 | 22.1 | 31.5 |
| July | 27.7 | 22.6 | 21.9 | 29.9 |
| August | 27.6 | 22.5 | 21.8 | 29.8 |
| September | 28.5 | 22.6 | 22.0 | 30.8 |
| October | 29.8 | 22.7 | 22.0 | 31.4 |
| November | 30.5 | 22.5 | 21.3 | 32.0 |
| December | 31.9 | 21.7 | 19.3 | 34.2 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 10 |
| February | 14 |
| March | 39 |
| April | 86 |
| May | 200 |
| June | 335 |
| July | 500 |
| August | 548 |
| September | 545 |
| October | 289 |
| November | 114 |
| December | 24 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 8.3 |
| February | 8.4 |
| March | 7.6 |
| April | 6.4 |
| May | 4.4 |
| June | 3.3 |
| July | 1.9 |
| August | 1.6 |
| September | 2.6 |
| October | 4.5 |
| November | 5.9 |
| December | 7.6 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 6.0 | 4.9 | 7.7 |
| February | 6.6 | 5.2 | 8.4 |
| March | 7.3 | 5.5 | 8.9 |
| April | 7.0 | 5.4 | 8.8 |
| May | 6.1 | 4.4 | 8.2 |
| June | 6.2 | 4.4 | 8.1 |
| July | 7.3 | 5.2 | 9.7 |
| August | 7.7 | 5.2 | 10.4 |
| September | 6.0 | 4.0 | 8.7 |
| October | 4.6 | 3.4 | 6.4 |
| November | 4.3 | 3.2 | 5.6 |
| December | 5.2 | 4.0 | 6.6 |
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Heat index
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Humidity
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4 regions
Sierra Leone, taken apart
Safety · 4 governments
What the governments say about Sierra Leone
Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 4 governments · Advisory last changed
See breakdown by countryHide breakdown
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 2Exercise increased caution
Exercise increased caution
US
Level 2Exercise increased caution
Exercise increased caution
Month by month
A year in Sierra Leone, in order
- JanJanuary33.8°C · 10 mm · 8.3 hr/day
Around 34 °C with 9 mm of rain and 8.3 hours of sun a day.
Around 34 °C with 9 mm of rain and 8.3 hours of sun a day.
- FebFebruary35.2°C · 14 mm · 8.4 hr/day
Around 35 °C with 13 mm of rain and 8.4 hours of sun a day.
Around 35 °C with 13 mm of rain and 8.4 hours of sun a day.
- MarMarch35.1°C · 39 mm · 7.6 hr/day
Around 35 °C with 39 mm of rain and 7.6 hours of sun a day.
Around 35 °C with 39 mm of rain and 7.6 hours of sun a day.
- AprApril33.6°C · 86 mm · 6.4 hr/day
Around 34 °C with 86 mm of rain and 6.4 hours of sun a day.
Around 34 °C with 86 mm of rain and 6.4 hours of sun a day.
- MayMay31.4°C · 200 mm · 4.4 hr/day
Around 31 °C with 200 mm of rain and 4.4 hours of sun a day.
Around 31 °C with 200 mm of rain and 4.4 hours of sun a day.
- JunJune29.4°C · 335 mm · 3.3 hr/day
Around 29 °C with 335 mm of rain and 3.3 hours of sun a day.
Around 29 °C with 335 mm of rain and 3.3 hours of sun a day.
- JulJuly27.7°C · 500 mm · 1.9 hr/day
Around 28 °C with 500 mm of rain and 1.9 hours of sun a day.
Around 28 °C with 500 mm of rain and 1.9 hours of sun a day.
- AugAugust27.6°C · 548 mm · 1.6 hr/day
Around 28 °C with 547 mm of rain and 1.6 hours of sun a day.
Around 28 °C with 547 mm of rain and 1.6 hours of sun a day.
- SepSeptember28.5°C · 545 mm · 2.6 hr/day
Around 28 °C with 545 mm of rain and 2.6 hours of sun a day.
Around 28 °C with 545 mm of rain and 2.6 hours of sun a day.
- OctOctober29.8°C · 289 mm · 4.5 hr/day
Around 30 °C with 289 mm of rain and 4.5 hours of sun a day.
Around 30 °C with 289 mm of rain and 4.5 hours of sun a day.
- NovNovember30.5°C · 114 mm · 5.9 hr/day
Around 30 °C with 114 mm of rain and 5.9 hours of sun a day.
Around 30 °C with 114 mm of rain and 5.9 hours of sun a day.
- DecDecember31.9°C · 24 mm · 7.6 hr/day
Around 32 °C with 24 mm of rain and 7.6 hours of sun a day.
Around 32 °C with 24 mm of rain and 7.6 hours of sun a day.
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