Climate Insights for Nkayi
Bouenza Department, Congo-Brazzaville
Climate Overview
The climate in Nkayi is hot. The average annual temperature is 26°C and approximately 1,117 mm of precipitation falls per year. November is the wettest month, receiving around 195 mm of rainfall. Nkayi sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Nkayi is hot. The average annual temperature is 78°F and approximately 44 in of precipitation falls per year. November is the wettest month, receiving around 7.7 in of rainfall. Nkayi sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Nkayi sees moderate temperature variation throughout the year, ranging from 20°C to 32°C. The warmest month is March, when average highs reach 32°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 20°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.Nkayi sees moderate temperature variation throughout the year, ranging from 68°F to 90°F. The warmest month is March, when average highs reach 90°F and the mean temperature sits around 80°F. July is the coolest month, with minimum temperatures around 68°F and an average of 74°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs.
Precipitation
Nkayi is a moderately rainy area, receiving approximately 1,117 mm of precipitation annually, which averages out to around 93 mm per month. The wettest month is November, averaging 195 mm of rainfall. December and April also tend to see above-average precipitation. The driest month is July, with just 2 mm. That's 194 mm less than November, 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.Nkayi is a moderately rainy area, receiving approximately 44 in of precipitation annually, which averages out to around 3.7 in per month. The wettest month is November, averaging 7.7 in of rainfall. December and April also tend to see above-average precipitation. The driest month is July, with just 0.1 in. That's 7.6 in less than November, 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
Nkayi is relatively calm, with an average annual wind speed of 5km/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 December, 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. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 6km/h in winter, 6km/h in spring, 4km/h in summer, 4km/h in autumn.Nkayi is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is August, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in December, 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 2mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 4mph in winter, 3mph in spring, 3mph in summer, 3mph in autumn.
Best Time to Visit
The best time to visit Nkayi is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 4 mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 32°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Nkayi is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 75°F with modest rainfall averaging 0.2 in per month. By contrast, March can be uncomfortably hot with temperatures reaching 90°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Nkayi 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 Nkayi 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.