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Monthly climate in Carnarvon, Northern Cape, South Africa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Carnarvon features a cold desert climate (BWk).Temperatures typically range between 10 °C (50 °F) and 25 °C (77 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 175 mm (6.9 inches) and receives 23 rainy days on the 1 mm (0.04 inches) threshold annually.Carnarvon enjoys an average of 4163 hours of sunshine throughout the year, and daylight varies from 10 hours 9 minutes to 14 hours 6 minutes per day.

Monthly average temperatures in Carnarvon, Northern Cape, South Africa §

The warmest months in Carnarvon are January, February and December, with daily mean temperatures ranging from 23 to 25 °C (74 - 77 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 10 °C (50 - 51 °F) throughout the day. On average each year, Carnarvon experiences 170 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Carnarvon, 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
(103°F)		 38°C
(100°F)		 36°C
(97°F)		 34°C
(93°F)		 27°C
(81°F)		 24°C
(76°F)		 24°C
(75°F)		 27°C
(82°F)		 32°C
(90°F)		 37°C
(98°F)		 38°C
(100°F)		 37°C
(100°F)
Mean maximum 37°C
(100°F)		 36°C
(98°F)		 34°C
(93°F)		 30°C
(87°F)		 26°C
(79°F)		 21°C
(71°F)		 22°C
(72°F)		 26°C
(79°F)		 30°C
(87°F)		 34°C
(93°F)		 36°C
(97°F)		 36°C
(97°F)
Average high 32°C
(90°F)		 31°C
(88°F)		 29°C
(84°F)		 24°C
(76°F)		 21°C
(70°F)		 17°C
(63°F)		 17°C
(63°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 28°C
(83°F)		 30°C
(87°F)
Daily mean 25°C
(77°F)		 24°C
(75°F)		 22°C
(72°F)		 17°C
(64°F)		 14°C
(57°F)		 10°C
(51°F)		 10°C
(50°F)		 10°C
(51°F)		 15°C
(60°F)		 18°C
(65°F)		 21°C
(69°F)		 23°C
(74°F)
Average low 17°C
(62°F)		 17°C
(63°F)		 15°C
(59°F)		 11°C
(53°F)		 8°C
(46°F)		 4°C
(40°F)		 3°C
(38°F)		 3°C
(38°F)		 7°C
(46°F)		 10°C
(51°F)		 12°C
(54°F)		 15°C
(59°F)
Mean minimum 10°C
(51°F)		 11°C
(52°F)		 9°C
(49°F)		 5°C
(41°F)		 1°C
(34°F)		 -1°C
(30°F)		 -4°C
(25°F)		 -2°C
(29°F)		 0°C
(33°F)		 2°C
(36°F)		 5°C
(41°F)		 9°C
(48°F)
Minimum 8°C
(47°F)		 8°C
(46°F)		 6°C
(44°F)		 4°C
(39°F)		 -1°C
(30°F)		 -4°C
(25°F)		 -5°C
(23°F)		 -3°C
(27°F)		 -2°C
(28°F)		 1°C
(34°F)		 3°C
(37°F)		 7°C
(45°F)

Compare climate in Carnarvon with other places

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

Monthly average precipitation in Carnarvon, Northern Cape, South Africa §

Carnarvon usually has the most precipitation in January, February and April, with an average of 3 rainy days and 31 mm (1.2 inches) of precipitation per month.The driest months in Carnarvon are June, August and September. On average, 4 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Carnarvon, 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) 29 (1.1) 28 (1.1) 12 (0.5) 37 (1.5) 7 (0.3) 3 (0.1) 8 (0.3) 2 (0.1) 6 (0.2) 14 (0.5) 7 (0.3) 23 (0.9)
Average precipitation days (≥ 1 mm) 3 4 2 4 1 0 1 0 1 2 1 4

Monthly sunshine hours in Carnarvon, Northern Cape, South Africa §

The sunniest months in Carnarvon are October, November and December, when the sun shines an average of 13 hours 1 minutes a day.Least sunny months in Carnarvon: May, June and July 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 Carnarvon, 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 338 353 366 324 311 292 307 328 341 382 394 421
Mean daily daylight hours 13h 52m 13h 9m 12h 13m 11h 17m 10h 31m 10h 9m 10h 21m 11h 1m 11h 54m 12h 50m 13h 40m 14h 6m

Solar UV radiation in Carnarvon, Northern Cape, South Africa §

Carnarvon 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 Carnarvon UV Index data.

Average daily maximum UV levels by month for Carnarvon, 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 12 9 6 5 5 7 10 13 14 16