World Resorts Tanzania Mafia Island Weather

Mafia Island sea water temperature

Current sea water temperature:
+84.4°F
Minimum sea water temperature in December: 86.5°F
Maximum sea water temperature in December: 82.6°F
Average sea water temperature in December: 84.2°F

Sea water temperature for the last 10 days:

December 28 84.4°F December 23 84.6°F
December 27 84.4°F December 22 84.2°F
December 26 84.4°F December 21 84.6°F
December 25 84.9°F December 20 83.7°F
December 24 84.9°F December 19 84.2°F

When is the warmest sea in Mafia Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Mafia Island was noticed in March, April and December.

Monthly Sea Temperatures in Mafia Island, °F

Sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 86.4°F and 84.0°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 85.1°F and 83.7°F.

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.7°F.

Best time for vacation in Mafia Island

Sunniest months:
June 13 days
July 13 days
December 12 days
Warmest months:
March 89.5 °F
December 89.0 °F
February 89.0 °F
Warmest sea temp:
March 85.0 °F
April 84.5 °F
December 84.2 °F
Coldest months:
July 83.1 °F
August 83.5 °F
June 83.8 °F
Rainiest months:
April 16 days
May 11 days
March 10 days
Windiest months:
July 9.6 mph
June 9.0 mph
August 8.8 mph

Mafia Island on a weather map

Mafia Island
+73°F
SE 4 mph
Feels like: +77°F
Precip.: 0%
Places in Tanzania:
Name
°F
+61°F
+77°F
+66°F
+77°F
+57°F
+68°F
+73°F
+77°F
+61°F
+77°F
+70°F
+63°F
+75°F
+64°F
+68°F
24 Hours Forecast
Mafia Island
Local time: 00:20
December 29, monday
0300
72°F
SE
4 mph
0600
72°F
SE
4 mph
0900
81°F
S
6 mph
1200
84°F
S
11 mph
1500
79°F
S
7 mph
1800
79°F
S
8 mph
2100
77°F
S
6 mph
December 30, tuesday
0000
77°F
S
7 mph
Units of measurement: °C / °F