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Monthly climate in Harrismith, Orange Free State, South Africa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Harrismith features a subtropical climate (Cwb).Temperatures typically range between 10 °C (49 °F) and 19 °C (66 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 865 mm (34.0 inches) and receives 110 rainy days on the 1 mm (0.04 inches) threshold annually.Harrismith enjoys an average of 4003 hours of sunshine throughout the year, and daylight varies from 10 hours 21 minutes to 13 hours 53 minutes per day.

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

The warmest months in Harrismith are January, February and December, with daily mean temperatures ranging from 18 to 19 °C (65 - 66 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 12 °C (49 - 54 °F) throughout the day. On average each year, Harrismith experiences 95 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Harrismith, 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 33°C
(92°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 27°C
(80°F)		 24°C
(76°F)		 25°C
(78°F)		 27°C
(80°F)		 31°C
(89°F)		 33°C
(92°F)		 33°C
(91°F)		 33°C
(92°F)
Mean maximum 30°C
(86°F)		 29°C
(85°F)		 28°C
(82°F)		 27°C
(81°F)		 24°C
(75°F)		 21°C
(70°F)		 23°C
(73°F)		 25°C
(77°F)		 30°C
(87°F)		 31°C
(89°F)		 32°C
(90°F)		 30°C
(87°F)
Average high 25°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 21°C
(70°F)		 20°C
(68°F)		 18°C
(64°F)		 18°C
(65°F)		 20°C
(68°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(76°F)
Daily mean 19°C
(66°F)		 19°C
(66°F)		 18°C
(64°F)		 15°C
(59°F)		 12°C
(54°F)		 10°C
(50°F)		 10°C
(49°F)		 12°C
(54°F)		 15°C
(60°F)		 16°C
(62°F)		 18°C
(64°F)		 18°C
(65°F)
Average low 14°C
(57°F)		 14°C
(58°F)		 12°C
(55°F)		 10°C
(50°F)		 6°C
(43°F)		 3°C
(38°F)		 3°C
(37°F)		 5°C
(42°F)		 8°C
(47°F)		 10°C
(50°F)		 11°C
(53°F)		 13°C
(56°F)
Mean minimum 10°C
(50°F)		 10°C
(51°F)		 9°C
(49°F)		 5°C
(41°F)		 2°C
(35°F)		 -1°C
(30°F)		 -3°C
(27°F)		 -1°C
(30°F)		 1°C
(35°F)		 4°C
(39°F)		 6°C
(43°F)		 9°C
(48°F)
Minimum 9°C
(48°F)		 9°C
(48°F)		 7°C
(45°F)		 3°C
(38°F)		 -1°C
(30°F)		 -5°C
(23°F)		 -5°C
(23°F)		 -3°C
(26°F)		 -1°C
(30°F)		 2°C
(35°F)		 2°C
(35°F)		 7°C
(45°F)

Compare climate in Harrismith with other places

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

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

Harrismith usually has the most precipitation in January, February and December, with an average of 17 rainy days and 154 mm (6.0 inches) of precipitation per month.The driest months in Harrismith are May, June and July. On average, 9 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Harrismith, 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) 133 (5.2) 156 (6.1) 86 (3.4) 62 (2.5) 19 (0.7) 5 (0.2) 2 (0.1) 24 (1.0) 25 (1.0) 73 (2.9) 108 (4.3) 172 (6.8)
Average precipitation days (≥ 1 mm) 15 18 13 10 2 1 0 5 3 9 14 20

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

The sunniest months in Harrismith are October, November and December, when the sun shines an average of 12 hours 5 minutes a day.Least sunny months in Harrismith: January, June and July receive an average of 9 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harrismith, 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 306 326 351 315 317 297 315 326 334 362 368 381
Mean daily daylight hours 13h 41m 13h 2m 12h 12m 11h 22m 10h 41m 10h 21m 10h 31m 11h 7m 11h 55m 12h 46m 13h 30m 13h 53m

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

Harrismith 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 Harrismith UV Index data.

Average daily maximum UV levels by month for Harrismith, 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