Monthly climate in Grand-Bassam, Côte d'Ivoire

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Grand-Bassam features a tropical monsoon climate (Am). Temperatures typically range between 24 °C (76 °F) and 28 °C (82 °F) through the year, but rarely can drop to 23 °C (73 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1616 mm (63.6 inches) and receives 288 rainy days on the 1 mm (0.04 inches) threshold annually. Grand-Bassam enjoys an average of 3546 hours of sunshine throughout the year, and daylight varies from 11 hours 49 minutes to 12 hours 24 minutes per day.

Monthly average temperatures in Grand-Bassam, Côte d'Ivoire

The warmest months in Grand-Bassam are February, March and April, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 24 to 25 °C (76 - 77 °F) throughout the day. On average each year, Grand-Bassam experiences 315 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grand-Bassam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
29°C
(85°F)
29°C
(84°F)
27°C
(81°F)
26°C
(80°F)
27°C
(80°F)
28°C
(83°F)
29°C
(85°F)
30°C
(85°F)
Mean maximum29°C
(84°F)
29°C
(84°F)
29°C
(85°F)
29°C
(85°F)
29°C
(85°F)
28°C
(83°F)
27°C
(80°F)
26°C
(79°F)
26°C
(80°F)
28°C
(83°F)
29°C
(84°F)
29°C
(85°F)
Average high28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
29°C
(84°F)
28°C
(83°F)
27°C
(81°F)
26°C
(78°F)
25°C
(78°F)
26°C
(78°F)
27°C
(81°F)
28°C
(83°F)
28°C
(83°F)
Daily mean27°C
(81°F)
27°C
(82°F)
27°C
(81°F)
28°C
(82°F)
27°C
(81°F)
26°C
(79°F)
25°C
(77°F)
24°C
(76°F)
25°C
(77°F)
26°C
(79°F)
27°C
(81°F)
27°C
(81°F)
Average low26°C
(79°F)
26°C
(80°F)
26°C
(80°F)
26°C
(80°F)
26°C
(79°F)
25°C
(77°F)
24°C
(76°F)
24°C
(75°F)
24°C
(76°F)
25°C
(77°F)
26°C
(79°F)
26°C
(80°F)
Mean minimum25°C
(77°F)
25°C
(78°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
24°C
(76°F)
23°C
(74°F)
23°C
(74°F)
24°C
(75°F)
24°C
(76°F)
25°C
(77°F)
25°C
(78°F)
Minimum23°C
(74°F)
25°C
(76°F)
25°C
(76°F)
25°C
(77°F)
25°C
(77°F)
23°C
(74°F)
23°C
(73°F)
23°C
(73°F)
23°C
(74°F)
24°C
(76°F)
24°C
(76°F)
25°C
(77°F)

Compare climate in Grand-Bassam with other places

Compare temperature, precipitation, sunshine, UV index in Grand-Bassam, Côte d'Ivoire with other places around the world.

Monthly average precipitation in Grand-Bassam, Côte d'Ivoire

Grand-Bassam usually has the most precipitation in May, June and October, with an average of 28 rainy days and 236 mm (9.3 inches) of precipitation per month. The driest months in Grand-Bassam are January, February and December. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grand-Bassam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.6)69 (2.7)87 (3.4)129 (5.1)230 (9.1)316 (12.4)145 (5.7)82 (3.2)154 (6.0)162 (6.4)128 (5.0)74 (2.9)
Average precipitation days (≥ 1 mm)162022242829242026292822

Monthly sunshine hours in Grand-Bassam, Côte d'Ivoire

The sunniest months in Grand-Bassam are August, November and December, when the sun shines an average of 10 hours 12 minutes a day. Least sunny months in Grand-Bassam: January, February and June receive an average of 8 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grand-Bassam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253280307304298263303313290306307318
Mean daily daylight hours11h 50m11h 56m12h 4m12h 13m12h 20m12h 24m12h 22m12h 15m12h 7m11h 59m11h 52m11h 49m

Solar UV radiation in Grand-Bassam, Côte d'Ivoire

Grand-Bassam experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 12 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Grand-Bassam UV Index data.

Average daily maximum UV levels by month for Grand-Bassam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111214131211121212109