South Africa Weather

South Africa Weather

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Climate Overview

South Africa serves up a year-round mix of sunny days and comfortable warmth, making it a top pick for a beach escape. Summers are reliably warm with plenty of sunshine, while winters are mild enough to keep the beach crowd happy - no need to pack your thermals. The country's weather is famously varied, but you can count on the coast for steady, inviting temperatures, especially if you’re chasing a bit of winter sun.

Regions like the Western Cape can see a little more rainfall in winter, but up in KwaZulu-Natal, it’s often drier and balmier even when the calendar says July. There aren’t any far-flung islands to consider, but each stretch of coastline has its own local twist on the classic beach day.

Seasons Overview

Spring (March - May): Spring means warming air and sea temperatures, with March starting at 25°C and 18°C for the water, dropping to 19°C air and 15°C sea by May. Rainfall climbs steadily, but most days still bring good doses of sunshine, so it’s a lively time for the beach - even if you might want a light jacket for later afternoons.

Summer (June - August): South African summers (June to August) are mild compared to European scorchers. Air temperatures sit between 17°C and 18°C, with the sea around 14°C. Rainfall is at its highest, peaking at 90mm in June and July, but there are still 6-7 hours of sunshine most days. Expect a relaxed beach vibe with the odd refreshing shower.

Autumn (September - November): Autumn puts the warmth back on the menu, with September to November seeing air temperatures rise from 19°C to 23°C and the sea warming from 14°C to 17°C. Rain drops off sharply by November, and sunshine increases, making this stretch a strong contender for sun-seekers who aren’t fans of the summer crowds.

Winter (December - February): Winter is when South Africa really struts its stuff for UK travellers. December through February regularly hits 25-27°C, with the sea at a balmy 18-19°C, barely any rain, and up to 11 hours of sunshine a day. If you’re looking for a dose of scorchio while everyone back home is wrapped up in jumpers, this is your moment.

Best Time To Visit

For a classic beach holiday, December to February is tough to beat. The air hovers at a warm 25-27°C, the sea sits at a comfortable 18-19°C, and the sunshine just keeps coming - up to 11 hours each day. Rainfall is minimal, so there’s little chance you’ll need to dash for cover. While the winter months in the Western Cape can bring a few showers, spots like Durban and the KwaZulu-Natal coast stay reliably warm and sunny, making them a delish pick if you fancy a winter escape. Autumn is a close runner-up if you prefer a quieter beach and slightly cooler air.

Temp

22°C

Average high

Rain

44mm

Per month

Sun

8hrs

Per day

Humidity

75%

Average

Annual weather averages in South AfricaAvg. high (°C)Rainfall (mm)
Avg. high and rainfall by month
January26°C15mm
February27°C15mm
March25°C20mm
April23°C40mm
May19°C70mm
June18°C90mm
July17°C90mm
August18°C75mm
September19°C50mm
October21°C30mm
November23°C15mm
December25°C15mm

Average weather in South Africa

  • Jan26°CAvg. Rain: 15mm
  • Feb27°CAvg. Rain: 15mm
  • Mar25°CAvg. Rain: 20mm
  • Apr23°CAvg. Rain: 40mm
  • May19°CAvg. Rain: 70mm
  • Jun18°CAvg. Rain: 90mm
  • Jul17°CAvg. Rain: 90mm
  • Aug18°CAvg. Rain: 75mm
  • Sept19°CAvg. Rain: 50mm
  • Oct21°CAvg. Rain: 30mm
  • Nov23°CAvg. Rain: 15mm
  • Dec25°CAvg. Rain: 15mm

FAQs

When is the hottest time to visit South Africa?

The hottest time to visit South Africa is from December to February, when air temperatures peak at 25-27°C and the days are long and sunny.

Does it rain much in South Africa?

Rainfall is generally low, especially from November to March when it rarely tops 20mm per month. June and July bring a bit more, reaching up to 90mm, but it’s usually nothing to cancel your holibobs over.

Is the sea warm enough to swim in South Africa?

Yes, the sea is warm enough for a swim from December to March, with water temperatures between 18°C and 19°C. It cools to around 14°C in winter, but hardy swimmers might still take the plunge.