- WinterJun–Aug7°19°
- June7°19°
- July7°18°
- August7°19°
- SpringSep–Nov11°23°
- September9°21°
- October11°23°
- November13°24°
- SummerDec–Feb16°28°
- December16°27°
- January16°28°
- February16°28°
- AutumnMar–May12°24°
- March14°27°
- April12°24°
- May9°22°
Somerset West, Western Cape Weather by Month and Climate Averages
Somerset West, Western Cape gets 418 mm of precipitation a year over about 77 rainy days. February is the warmest month (average high 28°C) and July the coldest (average low 7°C).
Somerset West climate at a glance
Mediterranean climate
Somerset West, Western Cape has warm summers and mild winters. Daytime highs range from about 19°C in July to 28°C in February. July is usually the wettest month. The most comfortable time to visit is typically April to June and August to November, when daytime highs sit near 22°C.
How much rain does Somerset West get?
Somerset West gets 418 mm of precipitation in an average year, spread over about 77 days with measurable rain. That is more rainy days than 65% of South Africa.
July is the wettest month, with 71 mm. January is the driest, with 10 mm. June has the most rainy days, about 11.
Somerset West weather by month
Somerset West weather in January
In January, Somerset West averages a high of 28°C and a low of 16°C. It gets 10 mm of precipitation over about 3 rainy days. The sun is out about 75% of daylight hours. The January record high is 41°C (2000) and the record low is 4°C (1998).
Somerset West weather in February
In February, Somerset West averages a high of 28°C and a low of 16°C. It gets 12 mm of precipitation over about 3 rainy days. The sun is out about 79% of daylight hours. The February record high is 37°C (2012) and the record low is 6°C (1982).
Somerset West weather in March
In March, Somerset West averages a high of 27°C and a low of 14°C. It gets 17 mm of precipitation over about 4 rainy days. The sun is out about 62% of daylight hours. The March record high is 42°C (2015) and the record low is 1°C (2014).
Somerset West weather in April
In April, Somerset West averages a high of 24°C and a low of 12°C. It gets 34 mm of precipitation over about 6 rainy days. The sun is out about 61% of daylight hours. The April record high is 37°C (1999) and the record low is 0°C (1993). April is one of the most comfortable months to visit.
Somerset West weather in May
In May, Somerset West averages a high of 22°C and a low of 9°C. It gets 49 mm of precipitation over about 8 rainy days. The sun is out about 54% of daylight hours. The May record high is 34°C (2022) and the record low is 0°C (2001). May is one of the most comfortable months to visit.
Somerset West weather in June
In June, Somerset West averages a high of 19°C and a low of 7°C. It gets 68 mm of precipitation over about 11 rainy days. The sun is out about 53% of daylight hours. The June record high is 31°C (2022) and the record low is -1°C (1988). June is one of the most comfortable months to visit.
Somerset West weather in July
In July, Somerset West averages a high of 18°C and a low of 7°C. It gets 71 mm of precipitation over about 10 rainy days. The sun is out about 56% of daylight hours. The July record high is 31°C (2017) and the record low is -4°C (2000).
Somerset West weather in August
In August, Somerset West averages a high of 19°C and a low of 7°C. It gets 55 mm of precipitation over about 10 rainy days. The sun is out about 57% of daylight hours. The August record high is 32°C (1985) and the record low is 0°C (2003). August is one of the most comfortable months to visit.
Somerset West weather in September
In September, Somerset West averages a high of 21°C and a low of 9°C. It gets 37 mm of precipitation over about 8 rainy days. The sun is out about 55% of daylight hours. The September record high is 37°C (2005) and the record low is 1°C (1998). September is one of the most comfortable months to visit.
Somerset West weather in October
In October, Somerset West averages a high of 23°C and a low of 11°C. It gets 25 mm of precipitation over about 6 rainy days. The sun is out about 59% of daylight hours. The October record high is 37°C (1985) and the record low is 0°C (2004). October is one of the most comfortable months to visit.
Somerset West weather in November
In November, Somerset West averages a high of 24°C and a low of 13°C. It gets 25 mm of precipitation over about 5 rainy days. The sun is out about 59% of daylight hours. The November record high is 39°C (2000) and the record low is 3°C (1996). November is one of the most comfortable months to visit.
Somerset West weather in December
In December, Somerset West averages a high of 27°C and a low of 16°C. It gets 16 mm of precipitation over about 3 rainy days. The sun is out about 68% of daylight hours. The December record high is 39°C (2015) and the record low is 6°C (1982).
Sunshine, humidity and wind in Somerset West
February is the sunniest month in Somerset West, with sunshine about 79% of daylight hours. June is the cloudiest, at 53%. Over the year the sun shines about 62% of daylight hours. Somerset West is cloudier than 61% of South Africa.
Humidity peaks in June at 77% and is lowest in February at 66%.
Somerset West has about 13 days a year above 32°C. Somerset West is cooler than 67% of South Africa.
Somerset West weather records
The hottest temperature on record at the Somerset West station is 42°C, on March 3, 2015. The coldest is -4°C, on July 21, 2000.
The wettest day on record brought 150 mm of rain, on March 26, 2014.
28 all-time records have been set at the station since 1973.
The best time to visit Somerset West
The most comfortable time to visit is typically April to June and August to November, when daytime highs sit near 22°C.
Winter (June–August) is mild, with average highs around 19°C and lows near 7°C.
Spring (September–November) is warm, with average highs around 23°C and lows near 11°C.
Summer (December–February) is warm, with average highs around 28°C and lows near 16°C.
Autumn (March–May) is warm, with average highs around 24°C and lows near 12°C.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Sea temp | Record high | Record low |
|---|---|---|---|---|---|---|---|
| January | 9.9 mm | 3 | 68% | 75% | -8° | 41° | 4° |
| February | 12 mm | 3 | 66% | 79% | -9° | 37° | 6° |
| March | 17 mm | 4 | 72% | 62% | -9° | 42° | 1° |
| April | 34 mm | 6 | 72% | 61% | -10° | 37° | 0° |
| May | 49 mm | 8 | 76% | 54% | -9° | 34° | 0° |
| June | 68 mm | 11 | 77% | 53% | -9° | 31° | -1° |
| July | 71 mm | 10 | 77% | 56% | -10° | 31° | -4° |
| August | 55 mm | 10 | 76% | 57% | -10° | 32° | 0° |
| September | 37 mm | 8 | 75% | 55% | -10° | 37° | 1° |
| October | 25 mm | 6 | 72% | 59% | -9° | 37° | 0° |
| November | 25 mm | 5 | 70% | 59% | -9° | 39° | 3° |
| December | 16 mm | 3 | 69% | 68% | -8° | 39° | 6° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Somerset West climate questions
How much rain does Somerset West get?
Somerset West gets 418 mm of precipitation in an average year, over about 77 rainy days.
What is the wettest month in Somerset West?
July is the wettest month in Somerset West, with 71 mm. January is the driest, with 10 mm.
How many rainy days does Somerset West have a year?
Somerset West has about 77 days with measurable rain in an average year. June has the most, about 11.
What is the hottest month in Somerset West?
February is the warmest month in Somerset West, with an average high of 28°C.
What is the coldest month in Somerset West?
July is the coldest month in Somerset West, with an average low of 7°C.
What is the record high temperature in Somerset West?
The record high at the Somerset West station is 42°C, set on March 3, 2015. The record low is -4°C, on July 21, 2000.
What is the sunniest month in Somerset West?
February is the sunniest month in Somerset West, with sunshine about 79% of daylight hours. June is the cloudiest.
What is the best time to visit Somerset West?
The most comfortable time to visit is typically April to June and August to November, when daytime highs sit near 22°C.
Source: NOAA GHCN-Daily station CAPE TOWN INTL (24 km away).
GraySky on your iPhone
See the forecast and climate for Somerset West, Western Cape.
Climate for places near Somerset West, Western Cape
Normals from NOAA GHCN-Daily station CAPE TOWN INTL.