Climate Overview
The climate in Freetown is hot. The average annual temperature is 27°C and approximately 3293mm of precipitation falls per year. July is the wettest month, receiving around 886mm of rainfall. Freetown sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Freetown has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is December, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 25°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
Freetown is a very wet location, receiving approximately 3293mm of precipitation annually, which averages out to around 274mm per month. The wettest month is July, averaging 886mm of rainfall. August and September also tend to see above-average precipitation. The driest month is January, with just 6mm. That's 880mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Freetown is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 20km/h in winter, 21km/h in spring, 24km/h in summer, 18km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Freetown, which began on March 20, 2026. Freetown sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in December at around 28°C, while the coldest stretch bottoms out in August near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 26 to 28°C. Precipitation is moderate at around 164mm for the season, averaging 55mm per month. Winds are moderate at around 21km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 2138mm across the season with a monthly average of 713mm. Winds are moderate at around 24km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 959mm across the season with a monthly average of 320mm. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 28°C. Precipitation is minimal, with only around 31mm for the entire season. Winds are moderate at around 20km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Freetown based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
