Measurements:
°C
°F
Zanzibar
78°F
N 7 mph
Feels like: 82°F
Precip: 100%
World Resorts Tanzania Zanzibar Weather

Zanzibar Sea Water Temperature

Current Sea Water Temperature:
+86.8°F
Maximum Sea Water Temperature in May: 89.0°F
Minimum Sea Water Temperature in May: 84.0°F
Average water temperature in May: 86.1°F

Sea Water Temperature for the Last 10 Days:

May 21 86.8°F May 16 87.8°F
May 20 87.0°F May 15 88.2°F
May 19 87.2°F May 14 87.8°F
May 18 87.2°F May 13 88.0°F
May 17 87.2°F May 12 87.6°F

When is the Warmest Sea for Zanzibar?

According to our data for the last three years for Zanzibar the highest average sea water temperature was in March, April and December.

Average Water Temperature by Month, °F

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Zanzibar was 88.1°F. The maximum and minimum values were 87.0°F and 89.6°F respectively.

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Zanzibar was 88.1°F. The maximum and minimum values were 87.2°F and 89.4°F respectively.

Sea Water Temperature in December

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Zanzibar was 87.9°F. The maximum and minimum values were 86.8°F and 88.8°F respectively.

Best Time to Visit Zanzibar
The most sunny months:
December 12 days
July 11 days
June 11 days
The most warm months:
March 94.1 °F
February 93.6 °F
December 93.0 °F
Warmest sea temperature:
March 88.6 °F
April 88.2 °F
December 87.8 °F
The most cold months:
August 87.6 °F
July 87.6 °F
June 88.5 °F
The most rainy months:
April 21 days
May 17 days
March 10 days
The most windy months:
July 12 mph
June 12 mph
May 11 mph

Zanzibar on the Weather Map

Tanzania Resorts:
NAME
Arusha +58
Dar es Salaam +76
Dodoma +64
Kilimanjaro +56
Lake Manyara +62
Mafia Island +72
Ngorongoro +56
Nungwi +78
Pemba +80
Selous +66
Serengeti +62
Tanga +74
Tanganyika +70
Tarangire +62
Zanzibar +78
24 Hours Weather Forecast
Zanzibar
Local time: 02:39
22 may, friday
0300 78°F
N
7 mph
0600 76°F
NE
9 mph
0900 80°F
NE
9 mph
1200 86°F
N
9 mph
1500 88°F
NW
11 mph
1800 82°F
NW
12 mph
2100 80°F
NW
11 mph
23 may, saturday
0000 78°F
NW
9 mph