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Monthly climate in Newcastle, KwaZulu-Natal, South Africa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Newcastle features a subtropical climate (Cwb).Temperatures typically range between 12 °C (53 °F) and 21 °C (70 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 863 mm (34.0 inches) and receives 112 rainy days on the 1 mm (0.04 inches) threshold annually.Newcastle enjoys an average of 3895 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Newcastle, KwaZulu-Natal, South Africa §

The warmest months in Newcastle are January, February and December, with daily mean temperatures ranging from 21 to 21 °C (70 - 70 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 12 to 14 °C (53 - 58 °F) throughout the day. On average each year, Newcastle experiences 173 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Newcastle, KwaZulu-Natal, 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 36°C
(96°F)		 33°C
(92°F)		 33°C
(92°F)		 31°C
(88°F)		 30°C
(86°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(87°F)		 35°C
(96°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(98°F)
Mean maximum 33°C
(92°F)		 33°C
(91°F)		 32°C
(89°F)		 30°C
(86°F)		 27°C
(80°F)		 25°C
(76°F)		 26°C
(80°F)		 29°C
(84°F)		 34°C
(93°F)		 35°C
(95°F)		 36°C
(96°F)		 34°C
(93°F)
Average high 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 24°C
(75°F)		 23°C
(73°F)		 21°C
(69°F)		 21°C
(70°F)		 23°C
(74°F)		 26°C
(80°F)		 26°C
(79°F)		 28°C
(82°F)		 27°C
(82°F)
Daily mean 21°C
(70°F)		 21°C
(70°F)		 20°C
(69°F)		 17°C
(63°F)		 14°C
(58°F)		 12°C
(53°F)		 12°C
(54°F)		 15°C
(59°F)		 18°C
(64°F)		 18°C
(66°F)		 20°C
(68°F)		 21°C
(70°F)
Average low 16°C
(61°F)		 16°C
(61°F)		 15°C
(58°F)		 12°C
(54°F)		 8°C
(46°F)		 5°C
(41°F)		 4°C
(40°F)		 8°C
(46°F)		 10°C
(51°F)		 12°C
(53°F)		 14°C
(57°F)		 15°C
(60°F)
Mean minimum 12°C
(54°F)		 13°C
(55°F)		 11°C
(52°F)		 8°C
(46°F)		 4°C
(39°F)		 1°C
(35°F)		 -0°C
(32°F)		 2°C
(35°F)		 4°C
(40°F)		 7°C
(44°F)		 8°C
(47°F)		 11°C
(52°F)
Minimum 10°C
(51°F)		 11°C
(53°F)		 9°C
(48°F)		 6°C
(44°F)		 0°C
(32°F)		 -2°C
(28°F)		 -3°C
(27°F)		 0°C
(32°F)		 2°C
(37°F)		 5°C
(41°F)		 4°C
(40°F)		 9°C
(49°F)

Compare climate in Newcastle with other places

Compare temperature, precipitation, sunshine, UV index in Newcastle, KwaZulu-Natal, South Africa with other places around the world.

Monthly average precipitation in Newcastle, KwaZulu-Natal, South Africa §

Newcastle usually has the most precipitation in January, February and December, with an average of 16 rainy days and 138 mm (5.4 inches) of precipitation per month.The driest months in Newcastle are June, July and August. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Newcastle, KwaZulu-Natal, 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) 117 (4.6) 136 (5.3) 101 (4.0) 68 (2.7) 28 (1.1) 9 (0.4) 3 (0.1) 22 (0.9) 38 (1.5) 76 (3.0) 106 (4.2) 161 (6.3)
Average precipitation days (≥ 1 mm) 15 15 11 9 3 1 1 4 6 12 15 20

Monthly sunshine hours in Newcastle, KwaZulu-Natal, South Africa §

The sunniest months in Newcastle are October, November and December, when the sun shines an average of 11 hours 37 minutes a day.Least sunny months in Newcastle: January, May and June receive an average of 9 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Newcastle, KwaZulu-Natal, 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 294 310 343 309 307 296 315 322 324 349 351 368
Mean daily daylight hours 13h 39m 13h 1m 12h 12m 11h 23m 10h 43m 10h 23m 10h 33m 11h 9m 11h 55m 12h 45m 13h 28m 13h 51m

Solar UV radiation in Newcastle, KwaZulu-Natal, South Africa §

Newcastle 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 Newcastle UV Index data.

Average daily maximum UV levels by month for Newcastle, KwaZulu-Natal, 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 10 7 5 6 8 11 12 14 16