Measurements:
°C
°F
Zanzibar
84°F
E 5 mph
Feels like: 92°F
Precip: 77%
World Resorts Tanzania Zanzibar Weather

Zanzibar Sea Water Temperature

Current Sea Water Temperature:
+88.4°F
Maximum Sea Water Temperature in December: 90.4°F
Minimum Sea Water Temperature in December: 86.0°F
Average water temperature in December: 87.8°F

Sea Water Temperature for the Last 10 Days:

December 17 88.4°F December 12 88.2°F
December 16 88.8°F December 11 88.0°F
December 15 88.6°F December 10 88.0°F
December 14 88.2°F December 09 88.2°F
December 13 88.0°F December 08 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: 2025 2024 2023

The average sea surface temperature in March 2025 for Zanzibar was 89.3°F. The maximum and minimum values were 87.8°F and 90.2°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Zanzibar was 88.6°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 88.0°F. The maximum and minimum values were 87.4°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 94.6 °F
February 93.8 °F
December 93.2 °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 +72
Dar es Salaam +84
Kilimanjaro +76
Lake Manyara +76
Mafia Island +78
Ngorongoro +70
Nungwi +84
Pemba +86
Ruaha +82
Selous +82
Serengeti +74
Tanga +88
Tanganyika +68
Tarangire +76
Zanzibar +84
24 Hours Weather Forecast
Zanzibar
Local time: 08:19
18 dec, thursday
0900 84°F
E
5 mph
1200 90°F
SE
2 mph
1500 90°F
W
8 mph
1800 86°F
W
11 mph
2100 82°F
W
11 mph
19 dec, friday
0000 80°F
W
7 mph
0300 80°F
SW
4 mph
0600 80°F
SW
4 mph