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Monthly climate in Mossel Bay, Western Cape, South Africa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mossel Bay features a oceanic climate (Cfb).Temperatures typically range between 15 °C (59 °F) and 21 °C (70 °F) through the year, but rarely can drop to 9 °C (48 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 474 mm (18.7 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually.Mossel Bay enjoys an average of 4001 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 Mossel Bay, Western Cape, South Africa §

The warmest months in Mossel Bay are January, February and March, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 15 to 16 °C (59 - 60 °F) throughout the day. On average each year, Mossel Bay experiences 4 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 Mossel Bay, 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 26°C
(80°F)		 29°C
(84°F)		 27°C
(80°F)		 28°C
(83°F)		 27°C
(80°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 31°C
(88°F)		 30°C
(86°F)		 26°C
(80°F)		 25°C
(77°F)
Mean maximum 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(73°F)		 24°C
(76°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)
Average high 22°C
(72°F)		 22°C
(72°F)		 21°C
(71°F)		 20°C
(67°F)		 19°C
(66°F)		 18°C
(65°F)		 18°C
(64°F)		 17°C
(62°F)		 17°C
(63°F)		 18°C
(65°F)		 19°C
(66°F)		 20°C
(69°F)
Daily mean 21°C
(69°F)		 21°C
(70°F)		 20°C
(68°F)		 18°C
(65°F)		 17°C
(63°F)		 16°C
(61°F)		 15°C
(60°F)		 15°C
(59°F)		 16°C
(60°F)		 17°C
(62°F)		 18°C
(64°F)		 19°C
(67°F)
Average low 20°C
(68°F)		 20°C
(68°F)		 19°C
(66°F)		 17°C
(62°F)		 16°C
(60°F)		 14°C
(58°F)		 13°C
(56°F)		 13°C
(56°F)		 14°C
(58°F)		 15°C
(60°F)		 16°C
(62°F)		 18°C
(65°F)
Mean minimum 17°C
(64°F)		 18°C
(64°F)		 17°C
(62°F)		 14°C
(58°F)		 13°C
(55°F)		 12°C
(54°F)		 10°C
(50°F)		 10°C
(51°F)		 11°C
(53°F)		 13°C
(55°F)		 14°C
(57°F)		 16°C
(60°F)
Minimum 17°C
(63°F)		 16°C
(60°F)		 16°C
(61°F)		 13°C
(56°F)		 11°C
(52°F)		 10°C
(51°F)		 9°C
(49°F)		 9°C
(48°F)		 10°C
(51°F)		 12°C
(53°F)		 12°C
(55°F)		 15°C
(59°F)

Compare climate in Mossel Bay with other places

Compare temperature, precipitation, sunshine, UV index in Mossel Bay, Western Cape, South Africa with other places around the world.

Monthly average precipitation in Mossel Bay, Western Cape, South Africa §

Mossel Bay usually has the most precipitation in August, September and November, with an average of 8 rainy days and 50 mm (2.0 inches) of precipitation per month.The driest months in Mossel Bay are February, April and June. On average, 25 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mossel Bay, 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) 46 (1.8) 30 (1.2) 44 (1.7) 22 (0.8) 43 (1.7) 24 (1.0) 33 (1.3) 51 (2.0) 49 (1.9) 47 (1.9) 51 (2.0) 33 (1.3)
Average precipitation days (≥ 1 mm) 8 8 8 6 5 6 6 9 7 8 8 7

Monthly sunshine hours in Mossel Bay, Western Cape, South Africa §

The sunniest months in Mossel Bay are October, November and December, when the sun shines an average of 12 hours 39 minutes a day.Least sunny months in Mossel Bay: May, June and July receive an average of 9 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mossel Bay, 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 329 348 354 308 294 274 292 311 323 366 383 413
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 Mossel Bay, Western Cape, South Africa §

Mossel Bay 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 Mossel Bay UV Index data.

Average daily maximum UV levels by month for Mossel Bay, 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