Zanzibar has a tropical monsoon climate, classified as Am in the Köppen system. The warmest month is February with an average high of 31°C, while the coldest month is August with lows dropping to 22°C. The annual temperature range of 9°C indicates a relatively stable climate year-round.
The driest month is September with only 7 rain days and 23mm of precipitation. For travellers, September through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 82% to 82% throughout the year.
Best Time to Visit Zanzibar
Based on temperature and rainfall data, the best months to visit Zanzibar are July, August, February. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
In February, Zanzibar experiences average highs of 31°C (88°F) and lows of 26°C (79°F). Expect around 8 rainy days and 11 hours of sunshine per day, with humidity averaging 82%. The 5°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 8, so sun protection is advisable on clear days.
Zanzibar typically sees 8 rainy days in February, with total precipitation of around 37mm. Rain is moderate and manageable. Showers tend to pass quickly, and a light rain layer or foldable umbrella is sufficient protection for most days. For context, the driest month in Zanzibar typically sees 4-6 fewer rain days than February.
Pack lightweight, breathable clothing (linen or cotton), a wide-brim sun hat, SPF 50+ sunscreen, and a refillable water bottle for Zanzibar in February. The 31°C daytime heat demands sun protection during midday hours, typically 11am to 4pm. Rain is unlikely with only 8 wet days, so leave the umbrella at home and use the bag space for sunscreen. Quick-dry synthetic fabrics are preferable to cotton in 82% humidity.
Yes, February is an excellent time to visit Zanzibar. With 11 daily sunshine hours and only 8 rainy days, conditions are ideal for sightseeing and outdoor activities. Temperatures averaging 31°C during the day are comfortable for long walks and outdoor dining. This is peak travel season, so booking accommodation in advance and arriving at popular attractions early in the morning helps avoid the busiest periods.
The average high temperature in Zanzibar in February is 31°C (88°F), and the average low is 26°C (79°F). The mean daily temperature is approximately 29°C (83°F). The day-to-night range of 5°C is narrow, typical of coastal or maritime cities. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Zanzibar is generally January. January offers the most sunshine at 12 hours per day and only 10 rainy days. Average temperatures reach 30°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around January gives you the best chance of dry, bright weather.
February is shoulder or low season in Zanzibar, meaning fewer tourists and generally lower prices than peak months. With 11 sunshine hours and 8 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In February, Zanzibar suits a range of activities thanks to warm temperatures of 31°C. Mix of indoor and outdoor activities works well given the moderate chance of rain. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 11 hours of sunshine, parks and waterfront walks are particularly enjoyable.