The climate in Sierra Leone

Average daytime and nighttime temperatures

All climate diagrams on this page come from the collected data of 4 weather stations.
All data correspond to the average monthly values of the last 20 years.

Back to overview: Sierra Leone

Climate zone: tropics

High humidity and hot temperatures make the weather in Sierra Leone pleasant at times but also tropical humid. It is warm to hot all year round, inviting bathing at average water temperatures of 27 degrees. Due to less rain, the best time for traveling is from November to April. Most precipitation falls from June to October.
Duration of daylight and sunshine in Sierra Leone
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Sierra Leone
Rain days per monthRain days per month in Sierra Leone
Precipitation in mm/dayPrecipitation in Sierra Leone
Water temperatureWater temperatures in Sierra Leone
Relative humidity in %Relative humidity in Sierra Leone
Absolute humidity in g/m³Absolute humidity in Sierra Leone

Data basis and methodology

The data from the individual measuring stations are based on the archives of the German Weather Service, individual values averaged and supplemented by own elements. In order to determine a representative national average, average values were first calculated for each part of the country, which were then summarized at the national level.
Climate changes by continentsGlobal warming by continentsAvg. temperatures from 1950 to 2023. Increased in Europe and North America - Antarctic colder again.
International tourismThe 40 most popular travel countriesA ranking of international tourism over 40 countries. USA ranks 3rd.
Sweden: Population growthPopulation growth in SwedenPopulation growth of the last 61 years in Sweden compared to the global average