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Monthly climate in De Aar, Northern Cape, South Africa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification De Aar features a cold semi-arid climate (BSk).Temperatures typically range between 9 °C (49 °F) and 24 °C (76 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 281 mm (11.1 inches) and receives 39 rainy days on the 1 mm (0.04 inches) threshold annually.De Aar enjoys an average of 4137 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 4 minutes per day.

Monthly average temperatures in De Aar, Northern Cape, South Africa §

The warmest months in De Aar are January, February and December, with daily mean temperatures ranging from 23 to 24 °C (74 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 9 to 11 °C (49 - 52 °F) throughout the day. On average each year, De Aar experiences 176 days above 25 °C (77.0 °F) and 14 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in De Aar, Northern Cape, South Africa.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 39°C
(102°F)		 38°C
(100°F)		 37°C
(98°F)		 34°C
(94°F)		 29°C
(84°F)		 25°C
(78°F)		 24°C
(76°F)		 28°C
(83°F)		 34°C
(93°F)		 37°C
(98°F)		 38°C
(101°F)		 37°C
(100°F)
Mean maximum 37°C
(99°F)		 36°C
(97°F)		 34°C
(94°F)		 31°C
(88°F)		 26°C
(80°F)		 22°C
(71°F)		 22°C
(73°F)		 27°C
(80°F)		 32°C
(89°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(97°F)
Average high 32°C
(90°F)		 31°C
(88°F)		 29°C
(85°F)		 25°C
(76°F)		 22°C
(71°F)		 18°C
(65°F)		 18°C
(65°F)		 19°C
(67°F)		 24°C
(76°F)		 27°C
(80°F)		 29°C
(84°F)		 31°C
(88°F)
Daily mean 24°C
(76°F)		 24°C
(75°F)		 22°C
(72°F)		 17°C
(64°F)		 14°C
(57°F)		 10°C
(51°F)		 9°C
(49°F)		 11°C
(52°F)		 16°C
(61°F)		 19°C
(66°F)		 21°C
(70°F)		 23°C
(74°F)
Average low 17°C
(63°F)		 17°C
(63°F)		 15°C
(59°F)		 11°C
(52°F)		 7°C
(45°F)		 3°C
(38°F)		 2°C
(36°F)		 3°C
(38°F)		 7°C
(46°F)		 11°C
(51°F)		 13°C
(55°F)		 15°C
(60°F)
Mean minimum 11°C
(52°F)		 11°C
(52°F)		 9°C
(49°F)		 5°C
(41°F)		 1°C
(33°F)		 -2°C
(28°F)		 -5°C
(23°F)		 -2°C
(28°F)		 -1°C
(31°F)		 3°C
(38°F)		 6°C
(43°F)		 9°C
(49°F)
Minimum 10°C
(50°F)		 8°C
(46°F)		 6°C
(44°F)		 3°C
(38°F)		 -2°C
(28°F)		 -6°C
(21°F)		 -7°C
(20°F)		 -4°C
(26°F)		 -3°C
(27°F)		 2°C
(37°F)		 3°C
(38°F)		 7°C
(45°F)

Compare climate in De Aar with other places

Compare temperature, precipitation, sunshine, UV index in De Aar, Northern Cape, South Africa with other places around the world.

Monthly average precipitation in De Aar, Northern Cape, South Africa §

De Aar usually has the most precipitation in January, February and April, with an average of 7 rainy days and 49 mm (1.9 inches) of precipitation per month.The driest months in De Aar are June, July and August. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in De Aar, Northern Cape, South Africa.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 55 (2.2) 50 (2.0) 27 (1.1) 41 (1.6) 7 (0.3) 3 (0.1) 6 (0.2) 4 (0.2) 7 (0.3) 20 (0.8) 20 (0.8) 40 (1.6)
Average precipitation days (≥ 1 mm) 6 9 5 6 1 1 1 0 1 2 2 5

Monthly sunshine hours in De Aar, Northern Cape, South Africa §

The sunniest months in De Aar are October, November and December, when the sun shines an average of 12 hours 53 minutes a day.Least sunny months in De Aar: May, June and July receive an average of 9 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in De Aar, Northern Cape, South Africa.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 335 349 364 317 311 292 307 329 342 379 391 415
Mean daily daylight hours 13h 51m 13h 8m 12h 13m 11h 18m 10h 32m 10h 10m 10h 22m 11h 2m 11h 54m 12h 50m 13h 39m 14h 4m

Solar UV radiation in De Aar, Northern Cape, South Africa §

De Aar experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure.May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly De Aar UV Index data.

Average daily maximum UV levels by month for De Aar, Northern Cape, South Africa.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 15 13 9 6 5 5 7 10 12 14 16