Climate Insights for Koidu
Kono District, Eastern Province, Sierra Leone
Climate Overview
The climate in Koidu is hot. The average annual temperature is 26°C and approximately 2,496 mm of precipitation falls per year. September is the wettest month, receiving around 495 mm of rainfall. Koidu sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Koidu is hot. The average annual temperature is 78°F and approximately 98.3 in of precipitation falls per year. September is the wettest month, receiving around 19.5 in of rainfall. Koidu sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Koidu sees moderate temperature variation throughout the year, ranging from 20°C to 35°C. February is the hottest month, with daytime highs reaching 35°C and an average of 28°C. December is the coolest month, with minimum temperatures around 20°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.Koidu sees moderate temperature variation throughout the year, ranging from 68°F to 96°F. February is the hottest month, with daytime highs reaching 96°F and an average of 83°F. December is the coolest month, with minimum temperatures around 68°F and an average of 77°F. On average, daily temperatures fluctuate by about 16°F between overnight lows and afternoon highs.
Precipitation
Koidu is a very wet location, receiving approximately 2,496 mm of precipitation annually, which averages out to around 208 mm per month. The wettest month is September, averaging 495 mm of rainfall. August and July also tend to see above-average precipitation. The driest month is January, with just 4 mm. That's 492 mm less than September, 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.Koidu is a very wet location, receiving approximately 98.3 in of precipitation annually, which averages out to around 8.2 in per month. The wettest month is September, averaging 19.5 in of rainfall. August and July also tend to see above-average precipitation. The driest month is January, with just 0.2 in. That's 19.4 in less than September, 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
Koidu is relatively calm, with an average annual wind speed of 6km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.Koidu is relatively calm, with an average annual wind speed of 4mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is August, averaging 5mph, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 2mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months.
Monthly Climate Data
The table below shows monthly climate averages for Koidu 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.The table below shows monthly climate averages for Koidu based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.