The climate in the Republic of the Congo

Average daytime and nighttime temperatures

All climate diagrams on this page result from the collected data of 14 weather stations.
Weather stations at an altitude above 790m have not been included.
All data correspond to the average monthly values of the last 20 years.
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Climate zone: tropics
High humidity and hot temperatures make the weather in the Republic of the Congo at times pleasant but also tropical humid. It is yearlong warm or hot. The warmest and rainiest part of the country is Likouala. The coldest is Lékoumou. Dued to the lesser rain the best time for traveling is from June to August. Most precipitation falls from March to December.
Duration of daylight and sunshine in the Republic of the Congo
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in the Republic of the Congo
Rainy days per monthRainy days per month in the Republic of the Congo
Precipitation in mm/dayPrecipitation in the Republic of the Congo
Relative humidity in %Relative humidity in the Republic of the Congo
Absolute humidity in g/m³Absolute humidity in the Republic of the Congo

Regions in the Republic of the Congo

All figures per year. For detailed climate data click on the name of the region.
max Ø day
min Ø night
Brazzaville30.9 °C22.0 °C1,898 h94 1,726 l78.0 %
Cuvette31.0 °C20.4 °C1,898 h107 1,737 l84.0 %
Cuvette-Ouest31.6 °C21.2 °C101 1,573 l
Lékoumou28.1 °C19.7 °C104 1,570 l
Likouala31.7 °C21.6 °C1,935 h102 1,624 l86.0 %
Niari30.5 °C21.0 °C1,533 h86 1,329 l80.0 %
Plateaux31.3 °C19.6 °C1,789 h110 1,734 l82.0 %
Pointe-Noire29.0 °C23.0 °C1,643 h88 1,369 l84.0 %
Sangha31.6 °C20.6 °C1,935 h107 1,595 l84.0 %

Temperature records of the last 73 years

The hottest temperature measured from 1949 to August 2022 was reported by the Impfondo weather station. In February 2005 the record temperature of 39.9 °C was reported here. The hottest summer from July to September, based on all 14 weather stations in the Congo below 790 metres altitude, was recorded in 2020 with an average temperature of 25.1 °C. This average temperature will normally be measured every 4 to 6 hours, thus also including the nights. Normally, this value is 23.7 degrees Celsius. The average maximum daily temperature at that time was 29.5 °C.
The coldest day in these 73 years was reported by the weather station Impfondo. Here the temperature dropped to 1.7 °C in November 2005. Impfondo lies at an altitude of 327 meters above sea level. The coldest winter (January to March) was in 1974 with an average temperature of 24.5 °C. In the Congo, it is usual to have about 1.3 degrees more at 25.7 °C for this three-month period.
The most precipitation fell in February 1992. With 31.4 mm per day, the Dolisie weather station recorded the highest monthly average of the last 73 years. Incidentally, the region with the most rainfall for the whole year is around Gamboma. The driest region is near Dolisie.

Data basis and methodology

The data of 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. Thus, if a disproportionate number of weather stations are located in a small area, their number does not affect the national average.
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