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The climate in Guinea

Average daytime and nighttime temperatures

All climate diagrams on this page result from the collected data of 12 weather stations.
Weather stations at an altitude above 1030m have not been included.
All data correspond to the average monthly values of the last 20 years.
Back to overview: Guinea
Climate zone: tropics
The climate in Guinea is very warm, with an annual average of 31 degrees, but has few truly tropical and sultry months. It is warm to hot all year round and invites to bathe at average water temperatures of 27 degrees. The warmest and rainiest part of the country is Boke. The coldest is Labe. Dued to the lesser rain the best time for traveling is from November to April. The most rain days occur from from June to October.
Duration of daylight and sunshine in Guinea
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Guinea
Rainy days per monthRainy days per month in Guinea
Precipitation in mm/dayPrecipitation in Guinea
Water temperatureWater temperatures in Guinea
Relative humidity in %Relative humidity in Guinea
Absolute humidity in g/m³Absolute humidity in Guinea

Regions in Guinea

All figures per year. For detailed climate data click on the name of the region.
RegionTemperature
max Ø day
Temperature
min Ø night
Sunshine
hours
Rainy
days
Humidity
Boke36.5 °C21.2 °C2,665 h74
Conakry30.4 °C23.2 °C1,862 h148 79.0 %
Kankan33.0 °C20.0 °C2,774 h104 63.0 %
Kindia30.3 °C23.0 °C1,862 h166 79.0 %
Labe28.6 °C16.4 °C2,519 h64.0 %
Mamou29.0 °C17.3 °C2,519 h67.0 %
Nzerekore30.3 °C18.9 °C167 80.0 %

Temperature records of the last 72 years

The hottest temperature measured from 1949 to October 2021 was reported by the Conakry weather station. In July 2003 the record temperature of 43.2 °C was reported here. The hottest summer from July to September, based on all 11 weather stations in Guinea below 1030 metres altitude, was recorded in 2006 with an average temperature of 26.1 °C. This average temperature will normally be measured every 4 to 6 hours, thus also including the nights. Normally, this value is 24.3 degrees Celsius.
The coldest day in these 72 years was reported by the weather station Conakry. Here the temperature dropped to 14.3 °C in July 2003. Conakry lies at an altitude of 26 meters above sea level. The coldest winter (January to March) was in 1993 with an average temperature of 24.2 °C. In Guinea, it is usual to have about 2.0 degrees more at 26.2 °C for this three-month period.
The most precipitation fell in July 1954. With 61.3 mm per day, the Conakry weather station recorded the highest monthly average of the last 72 years.

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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