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Monthly climate in Dekar, Botswana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Dekar features a hot semi-arid climate (BSh). Temperatures typically range between 15 °C (59 °F) and 27 °C (81 °F) through the year, but rarely can drop to 0 °C (33 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 521 mm (20.5 inches) and receives 65 rainy days on the 1 mm (0.04 inches) threshold annually. Dekar enjoys an average of 4042 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 24 minutes per day.

Monthly average temperatures in Dekar, Botswana

The warmest months in Dekar are October, November and December, with daily mean temperatures ranging from 26 to 27 °C (79 - 81 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 15 to 18 °C (59 - 65 °F) throughout the day. On average each year, Dekar experiences 269 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 Dekar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(101°F)		37°C
(99°F)		38°C
(101°F)		33°C
(92°F)		31°C
(89°F)		29°C
(85°F)		28°C
(83°F)		34°C
(94°F)		37°C
(99°F)		39°C
(102°F)		39°C
(103°F)		38°C
(100°F)
Mean maximum35°C
(95°F)		34°C
(93°F)		34°C
(93°F)		32°C
(90°F)		29°C
(85°F)		27°C
(81°F)		27°C
(82°F)		33°C
(91°F)		36°C
(97°F)		38°C
(100°F)		39°C
(102°F)		37°C
(99°F)
Average high31°C
(87°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		26°C
(80°F)		24°C
(75°F)		23°C
(74°F)		28°C
(82°F)		32°C
(89°F)		33°C
(93°F)		34°C
(94°F)		33°C
(91°F)
Daily mean25°C
(78°F)		24°C
(76°F)		24°C
(75°F)		22°C
(72°F)		18°C
(65°F)		16°C
(60°F)		15°C
(59°F)		19°C
(67°F)		23°C
(74°F)		26°C
(79°F)		27°C
(81°F)		27°C
(80°F)
Average low20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		16°C
(61°F)		11°C
(52°F)		8°C
(46°F)		7°C
(45°F)		11°C
(52°F)		15°C
(59°F)		18°C
(66°F)		20°C
(69°F)		21°C
(70°F)
Mean minimum16°C
(62°F)		17°C
(63°F)		16°C
(62°F)		12°C
(54°F)		6°C
(42°F)		4°C
(40°F)		2°C
(36°F)		4°C
(39°F)		7°C
(45°F)		12°C
(55°F)		15°C
(59°F)		17°C
(62°F)
Minimum15°C
(59°F)		16°C
(62°F)		14°C
(58°F)		9°C
(49°F)		3°C
(38°F)		1°C
(34°F)		0°C
(33°F)		2°C
(36°F)		4°C
(39°F)		11°C
(52°F)		9°C
(49°F)		15°C
(60°F)

Compare climate in Dekar with other places

Compare temperature, precipitation, sunshine, UV index in Dekar, Botswana with other places around the world.

Monthly average precipitation in Dekar, Botswana

Dekar usually has the most precipitation in January, February and December, with an average of 14 rainy days and 127 mm (5.0 inches) of precipitation per month. The driest months in Dekar are May, June and August. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dekar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)148 (5.8)160 (6.3)55 (2.1)39 (1.5)0 (0.0)0 (0.0)2 (0.1)0 (0.0)0 (0.0)14 (0.5)30 (1.2)73 (2.9)
Average precipitation days (≥ 1 mm)141785000002712

Monthly sunshine hours in Dekar, Botswana

The sunniest months in Dekar are October, November and December, when the sun shines an average of 12 hours 10 minutes a day. Least sunny months in Dekar: January, February and June receive an average of 10 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dekar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours292303350331329310327335341367370381
Mean daily daylight hours13h 15m12h 47m12h 10m11h 34m11h 4m10h 49m10h 57m11h 23m11h 58m12h 35m13h 7m13h 24m

Solar UV radiation in Dekar, Botswana

Dekar experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure. May, June and July 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 Dekar UV Index data.

Average daily maximum UV levels by month for Dekar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161614129771012141516