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Monthly climate in Welkom, Orange Free State, South Africa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Welkom features a cold semi-arid climate (BSk).Temperatures typically range between 10 °C (50 °F) and 23 °C (74 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 586 mm (23.1 inches) and receives 71 rainy days on the 1 mm (0.04 inches) threshold annually.Welkom enjoys an average of 4076 hours of sunshine throughout the year, and daylight varies from 10 hours 22 minutes to 13 hours 52 minutes per day.

Monthly average temperatures in Welkom, Orange Free State, South Africa §

The warmest months in Welkom are January, February and December, with daily mean temperatures ranging from 22 to 23 °C (72 - 74 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 13 °C (50 - 55 °F) throughout the day. On average each year, Welkom experiences 179 days above 25 °C (77.0 °F) and 15 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Welkom, Orange Free State, 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 38°C
(100°F)		 34°C
(93°F)		 34°C
(94°F)		 32°C
(90°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 29°C
(85°F)		 34°C
(93°F)		 36°C
(97°F)		 36°C
(98°F)		 38°C
(100°F)
Mean maximum 34°C
(94°F)		 33°C
(91°F)		 32°C
(89°F)		 30°C
(86°F)		 26°C
(78°F)		 23°C
(74°F)		 24°C
(75°F)		 28°C
(82°F)		 33°C
(91°F)		 35°C
(95°F)		 35°C
(96°F)		 35°C
(95°F)
Average high 30°C
(86°F)		 28°C
(83°F)		 28°C
(82°F)		 24°C
(76°F)		 22°C
(72°F)		 20°C
(68°F)		 19°C
(67°F)		 22°C
(72°F)		 27°C
(80°F)		 28°C
(83°F)		 30°C
(86°F)		 30°C
(86°F)
Daily mean 23°C
(74°F)		 22°C
(72°F)		 21°C
(69°F)		 17°C
(63°F)		 13°C
(56°F)		 10°C
(50°F)		 10°C
(50°F)		 13°C
(55°F)		 17°C
(64°F)		 20°C
(68°F)		 22°C
(71°F)		 23°C
(73°F)
Average low 17°C
(63°F)		 17°C
(63°F)		 15°C
(58°F)		 11°C
(52°F)		 6°C
(43°F)		 2°C
(36°F)		 1°C
(35°F)		 4°C
(40°F)		 8°C
(47°F)		 12°C
(53°F)		 14°C
(57°F)		 16°C
(61°F)
Mean minimum 13°C
(55°F)		 13°C
(55°F)		 11°C
(51°F)		 5°C
(41°F)		 1°C
(34°F)		 -2°C
(28°F)		 -4°C
(26°F)		 -2°C
(29°F)		 0°C
(32°F)		 5°C
(40°F)		 7°C
(45°F)		 12°C
(53°F)
Minimum 11°C
(53°F)		 11°C
(52°F)		 9°C
(48°F)		 3°C
(38°F)		 -3°C
(27°F)		 -6°C
(22°F)		 -5°C
(23°F)		 -4°C
(26°F)		 -2°C
(28°F)		 3°C
(37°F)		 4°C
(39°F)		 10°C
(50°F)

Compare climate in Welkom with other places

Compare temperature, precipitation, sunshine, UV index in Welkom, Orange Free State, South Africa with other places around the world.

Monthly average precipitation in Welkom, Orange Free State, South Africa §

Welkom usually has the most precipitation in January, February and December, with an average of 13 rainy days and 106 mm (4.2 inches) of precipitation per month.The driest months in Welkom are May, June and July. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Welkom, Orange Free State, 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) 88 (3.4) 130 (5.1) 63 (2.5) 72 (2.8) 9 (0.3) 7 (0.3) 2 (0.1) 14 (0.6) 9 (0.4) 37 (1.5) 56 (2.2) 100 (3.9)
Average precipitation days (≥ 1 mm) 10 14 8 8 1 1 0 1 2 4 7 15

Monthly sunshine hours in Welkom, Orange Free State, South Africa §

The sunniest months in Welkom are October, November and December, when the sun shines an average of 12 hours 32 minutes a day.Least sunny months in Welkom: January, June and July receive an average of 10 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Welkom, Orange Free State, 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 315 331 359 317 319 297 312 329 340 375 383 396
Mean daily daylight hours 13h 40m 13h 1m 12h 12m 11h 23m 10h 42m 10h 22m 10h 33m 11h 8m 11h 55m 12h 45m 13h 29m 13h 52m

Solar UV radiation in Welkom, Orange Free State, South Africa §

Welkom 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 7. For more detailed information, check out our hourly Welkom UV Index data.

Average daily maximum UV levels by month for Welkom, Orange Free State, 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) 16 15 13 10 7 5 6 8 11 12 14 16