Monthly climate in San, Mali

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San features a hot semi-arid climate (BSh). Temperatures typically range between 25 °C (77 °F) and 34 °C (93 °F) through the year, but rarely can drop to 12 °C (53 °F) or can rise to as high as 44 °C (112 °F). The average annual precipitation amounts to about 539 mm (21.2 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually. San enjoys an average of 3781 hours of sunshine throughout the year, and daylight varies from 11 hours 20 minutes to 12 hours 53 minutes per day.

Monthly average temperatures in San, Mali

The warmest months in San are April, May and June, with daily mean temperatures ranging from 32 to 34 °C (89 - 93 °F) throughout the day. The coldest temperatures usually occur in January, August and December, when daily mean temperatures range from 25 to 27 °C (77 - 81 °F) throughout the day. On average each year, San experiences 329 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 San. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(103°F)
41°C
(106°F)
43°C
(110°F)
44°C
(111°F)
44°C
(112°F)
41°C
(106°F)
38°C
(101°F)
35°C
(95°F)
37°C
(98°F)
39°C
(103°F)
39°C
(102°F)
38°C
(101°F)
Mean maximum37°C
(98°F)
39°C
(103°F)
42°C
(107°F)
43°C
(109°F)
43°C
(110°F)
40°C
(104°F)
37°C
(99°F)
34°C
(94°F)
36°C
(96°F)
38°C
(101°F)
38°C
(101°F)
37°C
(99°F)
Average high33°C
(91°F)
36°C
(96°F)
39°C
(102°F)
40°C
(105°F)
40°C
(104°F)
37°C
(99°F)
33°C
(92°F)
31°C
(88°F)
32°C
(91°F)
35°C
(96°F)
36°C
(97°F)
34°C
(93°F)
Daily mean25°C
(77°F)
28°C
(83°F)
32°C
(89°F)
34°C
(93°F)
34°C
(93°F)
32°C
(89°F)
29°C
(84°F)
27°C
(81°F)
28°C
(83°F)
30°C
(86°F)
29°C
(84°F)
26°C
(79°F)
Average low17°C
(64°F)
21°C
(70°F)
25°C
(77°F)
28°C
(82°F)
28°C
(83°F)
27°C
(81°F)
25°C
(77°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
22°C
(71°F)
19°C
(66°F)
Mean minimum14°C
(57°F)
16°C
(62°F)
20°C
(68°F)
24°C
(75°F)
25°C
(77°F)
24°C
(75°F)
23°C
(73°F)
22°C
(73°F)
22°C
(73°F)
22°C
(71°F)
18°C
(65°F)
16°C
(61°F)
Minimum12°C
(53°F)
15°C
(59°F)
16°C
(61°F)
23°C
(73°F)
24°C
(75°F)
23°C
(73°F)
22°C
(71°F)
22°C
(72°F)
22°C
(72°F)
18°C
(66°F)
15°C
(59°F)
14°C
(58°F)

Compare climate in San with other places

Compare temperature, precipitation, sunshine, UV index in San, Mali with other places around the world.

Monthly average precipitation in San, Mali

San usually has the most precipitation in July, August and September, with an average of 17 rainy days and 147 mm (5.8 inches) of precipitation per month. The driest months in San are January, February and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)1 (0.0)1 (0.0)6 (0.3)19 (0.7)41 (1.6)144 (5.7)198 (7.8)100 (3.9)29 (1.1)1 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)0002510182213500

Monthly sunshine hours in San, Mali

The sunniest months in San are May, June and July, when the sun shines an average of 10 hours 56 minutes a day. Least sunny months in San: January, February and August receive an average of 9 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours262293324322340334331299306325316324
Mean daily daylight hours11h 25m11h 41m12h 3m12h 25m12h 43m12h 53m12h 48m12h 31m12h 10m11h 48m11h 29m11h 20m

Solar UV radiation in San, Mali

San experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 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 San UV Index data.

Average daily maximum UV levels by month for San. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111213121313141312109