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Monthly climate in Simon's Town, Western Cape, South Africa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Simon's Town features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 14 °C (57 °F) and 19 °C (67 °F) through the year, but rarely can drop to 9 °C (48 °F) or can rise to as high as 27 °C (81 °F).The average annual precipitation amounts to about 605 mm (23.8 inches) and receives 80 rainy days on the 1 mm (0.04 inches) threshold annually.Simon's Town enjoys an average of 4014 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in Simon's Town, Western Cape, South Africa §

The warmest months in Simon's Town are January, February and March, with daily mean temperatures ranging from 18 to 19 °C (65 - 67 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 14 to 15 °C (57 - 59 °F) throughout the day. On average each year, Simon's Town experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Simon's Town, Western 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 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 27°C
(81°F)		 21°C
(71°F)		 21°C
(70°F)		 21°C
(70°F)		 22°C
(71°F)		 24°C
(75°F)		 22°C
(72°F)		 22°C
(72°F)		 23°C
(73°F)
Mean maximum 23°C
(73°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(71°F)		 21°C
(70°F)		 19°C
(67°F)		 19°C
(66°F)		 18°C
(65°F)		 21°C
(69°F)		 20°C
(69°F)		 21°C
(70°F)		 22°C
(71°F)
Average high 20°C
(68°F)		 20°C
(69°F)		 19°C
(67°F)		 18°C
(64°F)		 17°C
(63°F)		 16°C
(62°F)		 15°C
(60°F)		 15°C
(59°F)		 16°C
(61°F)		 17°C
(63°F)		 18°C
(64°F)		 19°C
(66°F)
Daily mean 19°C
(67°F)		 19°C
(67°F)		 18°C
(65°F)		 17°C
(63°F)		 16°C
(61°F)		 15°C
(60°F)		 14°C
(58°F)		 14°C
(57°F)		 15°C
(59°F)		 16°C
(61°F)		 17°C
(63°F)		 18°C
(65°F)
Average low 18°C
(65°F)		 18°C
(65°F)		 17°C
(64°F)		 16°C
(61°F)		 15°C
(59°F)		 14°C
(58°F)		 13°C
(56°F)		 13°C
(55°F)		 14°C
(57°F)		 15°C
(59°F)		 16°C
(61°F)		 17°C
(63°F)
Mean minimum 16°C
(62°F)		 17°C
(63°F)		 16°C
(60°F)		 14°C
(57°F)		 12°C
(54°F)		 12°C
(53°F)		 10°C
(51°F)		 10°C
(50°F)		 12°C
(53°F)		 13°C
(55°F)		 13°C
(56°F)		 16°C
(60°F)
Minimum 16°C
(61°F)		 16°C
(61°F)		 14°C
(58°F)		 12°C
(54°F)		 11°C
(52°F)		 10°C
(51°F)		 10°C
(50°F)		 9°C
(48°F)		 10°C
(51°F)		 12°C
(54°F)		 11°C
(53°F)		 15°C
(59°F)

Compare climate in Simon's Town with other places

Compare temperature, precipitation, sunshine, UV index in Simon's Town, Western Cape, South Africa with other places around the world.

Monthly average precipitation in Simon's Town, Western Cape, South Africa §

Simon's Town usually has the most precipitation in June, July and August, with an average of 11 rainy days and 95 mm (3.7 inches) of precipitation per month.The driest months in Simon's Town are January, February and December. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Simon's Town, Western 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) 14 (0.6) 11 (0.4) 29 (1.2) 32 (1.3) 74 (2.9) 109 (4.3) 95 (3.7) 82 (3.2) 50 (2.0) 46 (1.8) 35 (1.4) 28 (1.1)
Average precipitation days (≥ 1 mm) 2 2 4 5 8 11 10 12 9 6 5 6

Monthly sunshine hours in Simon's Town, Western Cape, South Africa §

The sunniest months in Simon's Town are October, November and December, when the sun shines an average of 12 hours 50 minutes a day.Least sunny months in Simon's Town: May, June and July receive an average of 9 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Simon's Town, Western 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 338 356 352 310 290 263 284 309 326 371 389 421
Mean daily daylight hours 14h 7m 13h 17m 12h 15m 11h 11m 10h 19m 9h 53m 10h 6m 10h 52m 11h 53m 12h 57m 13h 53m 14h 22m

Solar UV radiation in Simon's Town, Western Cape, South Africa §

Simon's Town experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Simon's Town UV Index data.

Average daily maximum UV levels by month for Simon's Town, Western 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) 14 13 11 8 5 3 4 5 9 11 12 14