What January feels like in Johannesburg
In Johannesburg, January brings mid-summer (Johannesburg is in the southern hemisphere, so the seasons run opposite to Europe and North America). Warm daytime weather invites long lunches outside and evening strolls. Once the sun goes down the air changes: nights stay mild. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Johannesburg in January
Rain is part of normal life this month, falling on about every other day. Each rainy day adds about 8.6 mm (0.3 in), a proper wetting rather than a sprinkle. The yearly figure is similar, around 7.1 mm per wet day. It is among the three wettest months of the year.
Daylight and sunshine in January
On 15 January the sun rises at about 5:28 am and sets around 7:05 pm local time, giving 13 h 37 min of daylight. Day length barely changes from mid-December (9 min shorter). Measured sunshine covers about 83% of the daylight — skies are mostly clear.
How January compares to the rest of the year
In Johannesburg's temperature order, January sits as the 3rd warmest month. It is about as warm as December, with about the same rain. Temperatures barely move from one month to the next here. February averages a high of 24.8°C (76.6°F).
Who January suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: a good fit — comfortable for long walks and picnics.
Tips for visiting Johannesburg in January
Versatile Layers
Pack pieces you can take off by noon and put back on at dusk.
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Johannesburg in January?
Afternoons average 24.9°C (76.8°F) and nights about 14.6°C (58.3°F) — warm by most people's standards. It is the 3rd warmest month of the year.
Does it rain a lot in Johannesburg in January?
It does: about 15 rainy days bring roughly 128 mm, so plan some indoor options.
What should I wear in Johannesburg in January?
The numbers point to versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.
Is January or February better for visiting Johannesburg?
On our 12-month climate ranking, February comes out ahead (#9 of 12 vs #11). February has fewer rainy days.