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Monthly climate in Tsau, Botswana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tsau features a hot semi-arid climate (BSh). Temperatures typically range between 16 °C (62 °F) and 28 °C (83 °F) through the year, but rarely can drop to 1 °C (33 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 566 mm (22.3 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. Tsau enjoys an average of 4015 hours of sunshine throughout the year, and daylight varies from 10 hours 54 minutes to 13 hours 18 minutes per day.

Monthly average temperatures in Tsau, Botswana

The warmest months in Tsau are October, November and December, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 16 to 20 °C (62 - 68 °F) throughout the day. On average each year, Tsau experiences 300 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 Tsau. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(102°F)		38°C
(101°F)		39°C
(103°F)		36°C
(97°F)		33°C
(91°F)		30°C
(87°F)		29°C
(85°F)		35°C
(96°F)		39°C
(102°F)		41°C
(106°F)		41°C
(106°F)		40°C
(104°F)
Mean maximum36°C
(96°F)		34°C
(94°F)		34°C
(94°F)		33°C
(93°F)		31°C
(88°F)		29°C
(84°F)		29°C
(84°F)		34°C
(94°F)		37°C
(99°F)		39°C
(103°F)		40°C
(104°F)		38°C
(101°F)
Average high31°C
(88°F)		31°C
(87°F)		31°C
(87°F)		30°C
(86°F)		28°C
(83°F)		26°C
(78°F)		25°C
(78°F)		30°C
(86°F)		34°C
(93°F)		36°C
(96°F)		35°C
(96°F)		34°C
(93°F)
Daily mean26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		23°C
(74°F)		20°C
(68°F)		17°C
(63°F)		16°C
(62°F)		21°C
(70°F)		25°C
(77°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)
Average low21°C
(70°F)		21°C
(69°F)		20°C
(67°F)		17°C
(63°F)		12°C
(53°F)		9°C
(48°F)		8°C
(46°F)		12°C
(54°F)		16°C
(61°F)		20°C
(68°F)		21°C
(71°F)		21°C
(71°F)
Mean minimum17°C
(63°F)		18°C
(65°F)		17°C
(63°F)		12°C
(54°F)		6°C
(44°F)		5°C
(42°F)		3°C
(37°F)		5°C
(41°F)		9°C
(48°F)		15°C
(58°F)		15°C
(60°F)		19°C
(66°F)
Minimum15°C
(60°F)		16°C
(60°F)		16°C
(60°F)		11°C
(52°F)		3°C
(39°F)		3°C
(38°F)		1°C
(33°F)		3°C
(38°F)		4°C
(40°F)		13°C
(55°F)		10°C
(50°F)		17°C
(63°F)

Compare climate in Tsau with other places

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

Monthly average precipitation in Tsau, Botswana

Tsau usually has the most precipitation in January, February and December, with an average of 16 rainy days and 143 mm (5.6 inches) of precipitation per month. The driest months in Tsau 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 Tsau. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)172 (6.8)173 (6.8)68 (2.7)24 (1.0)0 (0.0)0 (0.0)1 (0.0)0 (0.0)0 (0.0)8 (0.3)34 (1.4)84 (3.3)
Average precipitation days (≥ 1 mm)1520104000001613

Monthly sunshine hours in Tsau, Botswana

The sunniest months in Tsau are October, November and December, when the sun shines an average of 12 hours 1 minutes a day. Least sunny months in Tsau: January, February and June receive an average of 9 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tsau. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours287294348332330311328334341363367374
Mean daily daylight hours13h 10m12h 44m12h 10m11h 36m11h 8m10h 54m11h 1m11h 26m11h 58m12h 33m13h 3m13h 18m

Solar UV radiation in Tsau, Botswana

Tsau experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 17, 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 Tsau UV Index data.

Average daily maximum UV levels by month for Tsau. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)171614129781012131515