Monthly climate in Tessalit, Mali

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tessalit features a hot desert climate (BWh). Temperatures typically range between 19 °C (67 °F) and 37 °C (99 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 47 °C (116 °F). The average annual precipitation amounts to about 31 mm (1.2 inches) and receives 7 rainy days on the 1 mm (0.04 inches) threshold annually. Tessalit enjoys an average of 3714 hours of sunshine throughout the year, and daylight varies from 10 hours 55 minutes to 13 hours 19 minutes per day.

Monthly average temperatures in Tessalit, Mali

The warmest months in Tessalit are June, July and September, with daily mean temperatures ranging from 35 to 37 °C (95 - 99 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 19 to 22 °C (67 - 73 °F) throughout the day. On average each year, Tessalit experiences 314 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 Tessalit. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(98°F)
37°C
(98°F)
41°C
(106°F)
43°C
(110°F)
47°C
(116°F)
46°C
(115°F)
47°C
(116°F)
45°C
(112°F)
44°C
(112°F)
42°C
(108°F)
38°C
(101°F)
35°C
(95°F)
Mean maximum32°C
(89°F)
34°C
(93°F)
39°C
(102°F)
42°C
(108°F)
44°C
(112°F)
45°C
(113°F)
45°C
(114°F)
44°C
(112°F)
43°C
(110°F)
41°C
(106°F)
37°C
(98°F)
34°C
(93°F)
Average high27°C
(80°F)
30°C
(86°F)
34°C
(93°F)
38°C
(101°F)
41°C
(106°F)
43°C
(110°F)
42°C
(107°F)
40°C
(104°F)
41°C
(106°F)
38°C
(100°F)
32°C
(90°F)
29°C
(84°F)
Daily mean19°C
(67°F)
22°C
(73°F)
27°C
(80°F)
31°C
(88°F)
35°C
(95°F)
37°C
(99°F)
36°C
(97°F)
34°C
(94°F)
35°C
(95°F)
31°C
(89°F)
26°C
(78°F)
22°C
(71°F)
Average low11°C
(53°F)
15°C
(59°F)
18°C
(65°F)
23°C
(73°F)
27°C
(81°F)
30°C
(86°F)
30°C
(86°F)
28°C
(83°F)
28°C
(83°F)
24°C
(76°F)
18°C
(65°F)
14°C
(58°F)
Mean minimum7°C
(45°F)
9°C
(49°F)
12°C
(53°F)
18°C
(64°F)
22°C
(72°F)
28°C
(82°F)
26°C
(79°F)
24°C
(76°F)
25°C
(77°F)
18°C
(64°F)
13°C
(55°F)
10°C
(50°F)
Minimum6°C
(42°F)
6°C
(44°F)
8°C
(47°F)
16°C
(61°F)
19°C
(66°F)
25°C
(77°F)
25°C
(77°F)
23°C
(73°F)
24°C
(76°F)
15°C
(58°F)
9°C
(49°F)
5°C
(42°F)

Compare climate in Tessalit with other places

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

Monthly average precipitation in Tessalit, Mali

Tessalit usually has the most precipitation in July, August and September, with an average of 2 rainy days and 9 mm (0.3 inches) of precipitation per month. The driest months in Tessalit are March, April and October. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tessalit. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)0 (0.0)0 (0.0)0 (0.0)1 (0.1)2 (0.1)5 (0.2)17 (0.7)4 (0.2)0 (0.0)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)000000241000

Monthly sunshine hours in Tessalit, Mali

The sunniest months in Tessalit are May, June and July, when the sun shines an average of 10 hours 55 minutes a day. Least sunny months in Tessalit: January, February and November receive an average of 8 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tessalit. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours243276323330340332332325311312288296
Mean daily daylight hours11h 2m11h 28m12h 1m12h 36m13h 5m13h 19m13h 11m12h 46m12h 13m11h 39m11h 9m10h 55m

Solar UV radiation in Tessalit, Mali

Tessalit experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 11 - 13, which corresponds to the Extreme category of sun exposure. January, October and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Tessalit UV Index data.

Average daily maximum UV levels by month for Tessalit. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)81011131211111011997