Tanzania

Zanzibar weather in January

Is it warm? Yes. January in Zanzibar is hot: afternoons average 31°C and nights 26°C. Most days (80%) peak between 30°C and 33°C.

Hot · average high

31°C

25°C or more on almost every day.

Average low26°overnight
Sea29°average, 2023–2025
Rainy days650 mm in the month
SkyOften cloudy61% cloud · 14% clear days

How warm it really gets

Every January afternoon from 2011–2025: 465 days. Most (80%) peaked between 30° and 33°.

Number of January days by daily high, 2011–2025.

January, year by year

The average January high in each year. The warmest, 2025, averaged 33°C; the coolest, 2012, 30°C.

Compared with home

Average January highs. Expect rain on about 6 days (50 mm in a typical month).

Zanzibar31°
Cork9°
Dublin8°
London8°
Belfast7°
Manchester7°
Glasgow6°

Other months

Zanzibar all year · Where else is hot in January

Other warm places in January

Flying times are estimates from Dublin; Zanzibar is about 10h.

Warm in Jan
24°C average high
avg high · 21° at night
25°C+ on 3 in 10 days
Sal
Cape Verde
Sea
23°
Rain
0 days
Sky
Often cloudy
From Dublin
≈ 5h 45m
Warm in Jan
25°C average high
avg high · 19° at night
25°C+ on 6 in 10 days
Boa Vista
Cape Verde
Sea
24°
Rain
0 days
Sky
Often cloudy
From Dublin
≈ 5h 45m
Hot in Jan
30°C average high
avg high · 21° at night
25°C+ on almost every day
The Gambia
The Gambia
Sea
23°
Rain
0 days
Sky
Often cloudy
From Dublin
≈ 6h

Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology