The climate of Sierra Leone
The current climate in Sierra Leone features temperatures ranging from a high of 34°C to a low of 28°C throughout the year. The average yearly temperature is around 31°C. At night, temperatures in the colder months average around 23°C and in the warmer months around 26°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Sierra Leone.
Temperature records
The highest temperature recorded in Sierra Leone in recent years was 39°C in December 2016. The lowest daytime temperature recorded was 22°C in September 2022.
Rainfall amount
On average, Sierra Leone receives 3239 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
You can check out all destinations in Sierra Leone to get the full picture of the climate.
Best time to visit Sierra Leone?
The best time to visit Sierra Leone for sunny weather is January through April, November and December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Sierra Leone. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Sierra Leone
The climate table of Sierra Leone shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 32 | 31 | 31 | 34 | 31 | 30 | 29 | 28 | 29 | 30 | 31 | 31 |
| Temp. min (°C) | 24 | 25 | 25 | 24 | 26 | 24 | 25 | 25 | 24 | 25 | 25 | 25 |
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| Precipitation (mm) | 3,0 | 8,6 | 9,0 | 105 | 152 | 398 | 788 | 821 | 572 | 256 | 105 | 21 |
| UV Index | 8 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 7 | 8 | 8 | 8 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Sierra Leone. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Sierra Leone
Yearly Temperature in Sierra Leone
Precipitation charts
These charts show the average amount of precipitation in Sierra Leone. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Sierra Leone
Total Yearly Precipitation in Sierra Leone
UV index chart
This chart shows the average UV index per month in Sierra Leone. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Sierra Leone
Weather experiences in Sierra Leone
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Average weather in Sierra Leone by month
Click on a month below to see detailed weather info for Sierra Leone. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.