January weather forecast
Zanzibar, Tanzania

Kicking off the year, the Zanzibar weather in January offers warmth with high temperatures peaking at 32°C (89.6°F) and low temperatures hardly dipping below 24°C (75.2°F). The relatively clear skies permit an impressive 12.4 hours of daylight, out of which eight hours are often filled with brilliant sunshine. Surprisingly, rainfall is moderate in January despite the year-round tropical climate. However, with rainfall lasting for approximately ten days, the dry season seems to linger a bit. The much-coveted beach time is also quite generous in January, with sea temperatures being pleasantly warm.

Temperature

As December transitions into January, Zanzibar records an average high-temperature of a still hot 32°C (89.6°F), consistent with the preceding month. An average minimum temperature of 24°C (75.2°F) marks the month of January in Zanzibar.

Rainfall

In January, in Zanzibar, the rain falls for 10 days. Throughout January, 58mm (2.28") of precipitation is accumulated. In Zanzibar, during the entire year, the rain falls for 125 days and collects up to 1409mm (55.47") of precipitation.

Sea temperature

In Zanzibar, the average seawater temperature in January is 28.4°C (83.1°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.

Daylight

In January, the average length of the day in Zanzibar is 12h and 26min.
On the first day of the month, sunrise is at 06:12 and sunset at 18:40. On the last day of January, sunrise is at 06:25 and sunset at 18:47 EAT.

Sunshine

The months with the most sunshine in Zanzibar are January, February, June through December, with an average of 8h of sunshine.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index in Zanzibar. A UV Index value of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 12 in January transforms into the following instructions:
Implement all necessary safeguards, unprotected skin might suffer burns rapidly. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Directly after outdoor activities or swimming, a broad-spectrum sunscreen with SPF 30+ should be applied generously and reapplied frequently. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.