ClimateAverages

Zanzibar Climate

Zanzibar Urban/West, Tanzania · 12 weather stations within 200 km · records 1892 to 2025

Average annual daytime high
29.5°C
Warmest month · March
30.9°C
Typical daytime high
Coldest month · July
20.9°C
Typical overnight low

Zanzibar has an average annual daytime high of 29.5°C, based on the 1951 to 1980 baseline. Its warmest month is March, when highs typically reach 30.9°C, and its coldest is July, with overnight lows near 20.9°C.

Month by month averages

MonthAvg highAvg low
January29.8°C24.1°C
February30.3°C24.3°C
March30.9°C24.2°CWarmest
April29.9°C23.7°C
May29.1°C23.0°C
June28.4°C21.6°C
July28.0°C20.9°CColdest
August28.4°C20.9°C
September29.0°C21.4°C
October29.6°C22.1°C
November30.2°C23.3°C
December30.2°C23.9°C

Temperature range across the year

19°22°26°29°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+1.3°C vs. 1951–1980
Coldest year on record
1909
-0.7°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Zanzibar getting hotter?

Since 1900, Zanzibar's average temperature has risen by +1.3°C. Compared to the earliest station records that begin in 1892, warming totals +1.3°C.

25.8°26.3°26.8°27.2°27.7°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
any time of year

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Zanzibar?

Zanzibar's average annual daytime high is 29.5°C, based on the 1951 to 1980 baseline period. The warmest month is March, with highs averaging 30.9°C, and the coldest is July, with lows averaging 20.9°C.

What is the warmest month in Zanzibar?

March is the warmest month in Zanzibar, with typical daytime highs of 30.9°C.

What is the hottest year on record for Zanzibar?

2023 is the hottest year on record for Zanzibar, running +1.3°C above the 1951 to 1980 baseline.

Is Zanzibar getting hotter?

Yes. Since 1900, Zanzibar has warmed by roughly +1.3°C.

When is the best time to visit Zanzibar?

any time of year typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.