Tanzania
Zanzibar in August: weather, sea & travel advice
This month's data profile
Sea conditions lead
Zanzibar in August is climatically well suited to beach holidays, family holidays, city breaks and active holidays and hiking. The average daily high is around 27 °C, and the sea is about 26 °C. With about 4 rainy days it is dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
92/100 · #1
Warmth
#11
Dryness
#1
Sun
#8
Sea warmth
#12
Published best categories: Overall, Beach, City break, Active, Family
Zanzibar · AugustPhoto: Morten Idriss Nygaar… · CC BY-SA 3.0Climate facts
- Average high
- 27 °C
- Average low
- 24 °C
- Sea
- 26 °C
- Rainy days (est.)
- 4 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 74 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| July | 27 | 24 | 5 | 21 | 6.1 | 74 | 6.2 | 26 | 90 |
| August (selected) | 27 | 24 | 4 | 14 | 6.9 | 74 | 5.5 | 26 | 92 |
| September | 28 | 24 | 4 | 19 | 7.7 | 74 | 5.0 | 26 | 90 |
How do the previous and next months compare?
Baseline: August (92/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| July | -2 | -0.1 °C | +0.2 °C | +1 | +7.6 mm | -0.8 h | ±0 % | +0.7 m/s | +0.4 °C |
| September | -2 | +0.7 °C | +0.4 °C | +0.6 | +5.1 mm | +0.8 h | -0.4 % | -0.5 m/s | +0.4 °C |
All twelve months in context
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Frequently asked questions
How warm is Zanzibar in August?
The average daily high is around 27 °C, with an average daily low of about 24 °C.
Can you swim in Zanzibar in August?
The sea is about 26 °C (warm).
Does it rain a lot in Zanzibar in August?
The curated estimate is about 4 rainy days per month, not a directly measured long-term average. Total precipitation averages around 14 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Zanzibar?
By the climate score, June, July, August and September are the strongest months for Zanzibar. For a beach trip: June, July, August and September. August is one of them.