2026 Climate Averages

Zanzibar: Weather Guide & Climate

Complete month-by-month weather guide: Zanzibar. Best time to visit: June, July, August, September, October, December, January, February. Plan your trip with detailed climate data.

☀️ Climate Overview

Zanzibar has a Tropical climate with average yearly highs of 29°C, lows of 25°C, and approximately 14 rainy days per month.

The best time to visit Zanzibar is during June, July, August, September, October, December, January, February, when humidity is lower and there are fewer rain showers

Drier season: Feb–Oct Wetter season: Jan–Dec

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Best Time

J F M A M J J A S O N D
Conditions Excellent

Hottest

31°C March
Avg Low 26°C
Rain 18 days

Coldest

23°C July
Avg High 28°C
Rain 8 days

Driest Month

7 rainy days September
Avg High 28°C
Avg Low 23°C

Windiest Month

21 km/h

July (gusts 36)

Sea Temp Range

26° – 30°C

Warmest water: March (30°C)

Best for swimming: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec (26°–30°C)

Forecast for your trip dates

Up to 14 days ahead

Weather by Season

Spring

Sep–Nov

High 29°C
Low 24°C
Rain 11 days
Crowds
Busy
Travel Costs Shoulder Rates

Summer

Dec–Feb

High 30°C
Low 27°C
Rain 16 days
Crowds
Very Busy
Travel Costs Peak Rates

Autumn

Mar–May

High 30°C
Low 25°C
Rain 20 days
Crowds
Quiet
Travel Costs Value Rates

Winter

Jun–Aug

High 28°C
Low 23°C
Rain 9 days
Crowds
Very Busy
Travel Costs Peak Rates

Month-by-Month Weather Table

January

Best
Excellent
30° / 27°
16d (65mm)
10.6h
78% Muggy
UV 8.6 Very High

February

Best
Excellent
30° / 27°
11d (46mm)
10.8h
77% Muggy
UV 8.8 Very High

March

Wet
31° / 26°
18d (127mm)
10.2h
78% Muggy
UV 8.2 Very High

April

Wet
29° / 25°
27d (345mm)
7.7h
85% Very Muggy
UV 5.7 High

May

Wet
29° / 25°
15d (95mm)
9.7h
81% Very Muggy
UV 6.6 High

June

Best
Excellent
28° / 24°
10d (43mm)
10.4h
79% Humid
UV 6.5 High

July

Best
Excellent
28° / 23°
8d (30mm)
10.7h
77% Humid
UV 6.7 High

August

Best
Excellent
28° / 23°
9d (23mm)
10.9h
77% Humid
UV 7.5 Very High

September

Best
Excellent
28° / 23°
7d (22mm)
11.2h
76% Humid
UV 8.3 Very High

October

Best
Excellent
29° / 24°
9d (49mm)
11.2h
77% Muggy
UV 8.7 Very High

November

Wet
30° / 25°
18d (116mm)
11h
79% Muggy
UV 8.4 Very High

December

Best
Excellent
30° / 26°
22d (102mm)
11.3h
79% Muggy
UV 8.6 Very High

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthMayScore: 8.5
1.May
8.52.Apr
8.13.Nov
84.Mar
7.15.Jun
5.66.Jul
5.67.Aug
5.68.Sep
5.69.Oct
5.610.Dec
4.711.Feb
4.312.Jan
3.8

Where to Stay

See hotels, apartments & rentals around Zanzibar – live prices from Booking.com, Expedia, Vrbo and more

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Zanzibar

Spice island, including Stone Town, Stone Town UNESCO site and Nungwi & Kendwa beaches, white beaches, and turquoise Indian Ocean.

View Full Destination Guide

Ready to Plan Your Zanzibar Trip?

Get strategic travel tips, seasonal insights, and expert recommendations.

Frequently Asked Questions

What type of climate does Zanzibar have?
Zanzibar has a tropical climate with average yearly temperatures of 29°C and 25°C.
When is the best time to visit Zanzibar?
The best time to visit Zanzibar is during June, July, August, September, October, December, January, February, when temperatures average around 30°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Zanzibar?
The hottest month in Zanzibar is March with average highs of 31°C, while the coldest is July with average lows of 23°C.
When is the rainy season in Zanzibar?
Zanzibar sees the most rain in April (27 rainy days), while September is the driest month (7 rainy days).
Does it get cold at night in Zanzibar?
Night temperatures vary throughout the year. The coldest nights are in July (23°C), while March has the warmest evenings (26°C). Pack layers for cooler months.
Can you swim year-round in Zanzibar?
Sea temperatures in Zanzibar range from 26°C to 30°C throughout the year. The warmest water is in March. Swimming is comfortable year-round.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Last Updated: February 2026

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