Sun, sea & sand

Zanzibar weather in January

Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.

86

Holiday weather in January

Excellent

Best time to visit: January – February, June – October

Air temperature30°CNight 26°
Sea temperature28.4°Cwarm
Sunshine9hrs / dayof 12.4 h daylight
Rainy days12days / month54 mm

What is the weather like in Zanzibar in January?

In January, Zanzibar is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 12 rainy days and 54 mm in total. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Zanzibar.

January compared

How the weather changes from December to February. Tap a month to open it.

DecemberDecJanuaryJanFebruaryFeb
Score798690
Day30°30°31°
Night26°26°26°
Sea29°28°29°
Sun9 h9 h8 h
Rain days211210

More details for January

Daylight
12 h 26 min06:19 – 18:45
UV index
13 · extremeclear sky, noon (estimate)
Muggy days
31 daysdew point 18 °C or more
Wind
19 km/haverage daily peak
Cloud cover
60 %on average
Hot days
18 days30 °C or more
Time zone
UTC+3Africa/Dar_es_Salaam

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %92 %
  • Few rainy daysweight 20 %40 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in January

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Zanzibar in January: quick answers

Is Zanzibar hot in January?

Yes. In January, Zanzibar is hot: daytime highs average 30 °C and nights stay around 26 °C. On about 18 days the thermometer climbs to 30 °C or more.

Can you swim in Zanzibar in January?

Yes. In January the sea averages 28.4 °C – lovely and warm for swimming.

Does it rain much in Zanzibar in January?

Rain is frequent, with about 12 rainy days and 54 mm in total.

Zanzibar month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)