Monthly climate guide

Hermanus weather in January

With highs near 26°C (78°F) and lows around 18°C (64°F), January feels warm in Hermanus. Rainfall averages about 32 mm (fairly dry) and the sky is mostly sunny. Daytime highs are 2°C warmer than December and about the same as February.

What stands out in January

Hermanus is usually about 2°C cooler than Stellenbosch, 60 km away, in January.
January brings mid-summer to Hermanus — the seasons are reversed south of the equator.
It's one of the sunniest months here, with cloud cover around 34%.

January is typically Hermanus's warmest month.

Avg high

26°C

78°F

Avg low

18°C

64°F

Rainfall

32 mm

fairly dry

Humidity

71%

relative

Sky

34%

cloud · mostly sunny

Live Hermanus forecast Where else to go in January

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Hermanus weather by month

Low → high °C Rain (mm)

Show the monthly averages as a table

Average monthly climate in Hermanus
Month	Avg high	Avg low	Rain	Humidity	Cloud cover
January	26°C / 78°F	18°C / 64°F	32 mm	71%	34%
February	26°C / 78°F	17°C / 63°F	23 mm	72%	31%
March	24°C / 75°F	16°C / 61°F	40 mm	75%	37%
April	22°C / 72°F	14°C / 57°F	32 mm	75%	35%
May	20°C / 67°F	13°C / 55°F	35 mm	78%	41%
June	17°C / 63°F	11°C / 51°F	81 mm	78%	42%
July	17°C / 62°F	10°C / 50°F	66 mm	80%	38%
August	17°C / 62°F	10°C / 50°F	66 mm	80%	40%
September	18°C / 65°F	11°C / 52°F	42 mm	77%	42%
October	21°C / 69°F	13°C / 55°F	43 mm	75%	41%
November	22°C / 72°F	14°C / 57°F	36 mm	72%	41%
December	24°C / 76°F	16°C / 61°F	16 mm	71%	36%

What to pack for January

T-shirts plus a light layer for the evening
Comfortable trainers or sandals for long walks
Sunglasses

Full season-by-season packing guide →

Is January a good time to visit Hermanus?

Compare the months in the chart above to find your ideal window.

Best time to visit Hermanus →

Other South Africa cities in January

Stellenbosch

28° / 17°C · 23 mm

Cape Town

22° / 19°C · 14 mm

Mossel Bay

29° / 17°C · 40 mm

Oudtshoorn

32° / 15°C · 41 mm

George

26° / 18°C · 40 mm

Plettenberg Bay

27° / 17°C · 46 mm

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Hermanus weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/south-africa/hermanus/january

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Hermanus in January: quick answers

Is January a good time to visit Hermanus?

Yes. January is one of the best months for Hermanus, with highs around 26°C and about 32 mm of rain.

How warm is Hermanus in January?

Average highs are about 26°C (78°F) and average lows about 18°C (64°F), based on 10 years of daily data.

Does it rain a lot in Hermanus in January?

Hermanus typically gets around 32 mm of rain in January — fairly dry.

Figures are long-term averages for the area around Hermanus (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.