Weather in Durban in January

South Africa · 20-year averages, January

A good month. January is a solid month to be in Durban. You should expect rain on 18 days of the month, which is more days wet than dry.

January ranks 11 of 12 — near the bottom of Durban's year. June is the month that works, and the swing between the two is 27 points, which is a different holiday rather than a slightly better one. Worth keeping in perspective: January is the weakest month of Durban's year and it is still a perfectly good one. The downside here is small.

Rain on 18 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average January reaches 30 °C; the day barely swings — 1.6 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest January day reached 29.3 °C and the coldest night fell to 19.8 °C, and the wettest single day dropped 46 mm — roughly 43% of the month's rain in one day.

January is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest January on record still delivered 164 mm against 45 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 107 mm average is a reasonable planning figure, not a promise.

Wind sits around 20.8 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity runs at 82%, high enough to notice on the warm days without dominating them.

How January sits in the year

Temperatures hold steady either side: 24.1 °C in December, 25.2 here, 25.8 in February. Nothing about the timing within the month matters much.

Daylight in January

January is at or near the longest days of Durban's year: 13.9 hours of daylight, losing 0.5 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 26.2 °C in January — warm enough to stay in as long as you like. This is the warmest the water gets all year.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

January in Durban versus nearby

If Durban is one option among several, the nearby comparison is worth making. Pietermaritzburg is close enough to be a coin toss — 2.9 °C warmer, 7 days more rain. Johannesburg is close enough to be a coin toss — within a degree on temperature, 2 days more rain.

So: January is a compromise. June is 27 points better and is what Durban is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Durban

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hSea °CScore
January25.223.6 181078213.926.267
February25.824.1 14848113.126.975
March25.523.7 14908012.326.775
April24.422.3 10657711.425.981
May23.321.1 5407310.624.791
June2219.4 4276910.223.494
July21.218.7 5427010.422.591
August21.218.7 53674112291
September21.519.2 9657811.922.284
October21.919.9 141008112.822.773
November22.820.8 161228213.623.670
December24.122.3 18110831424.967

See all twelve months in Durban, or where else to go in January.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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