Climate guide for Zanzibar, Tanzania

Zanzibar in August

Weather, crowds & best time to visit

How to read the score (0–10)
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August · Tanzania

Best time to visit Zanzibar in August Weather, crowds & prices

Weather in Zanzibar in August

Average temperature 25°C, 41 mm of rain, about 31 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

9.5/10

Ranked #2 of 12 months

Full year for Zanzibar
Avg temp
25°C
Rainfall
41 mm
Humidity
75%
Days with 6h+ sun
31
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

August in Zanzibar scores 9.5/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 25°C, 41 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Zanzibar's Stone Town is a maze of coral-stone houses, carved doors, and spice warehouses, with beaches strung along the island's north and east coasts.

August ranks 2nd of 12 for Zanzibar — one of the best windows

With 25°C (76°F) on average, August delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.

With around 41 mm of rain, any showers tend to pass through rather than settle in; about 31 days with 6+ hours of sunshine and 11.9 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Zanzibar at 9.5/10 (2nd of 12), just behind February at 9.6/10.

Pack light clothing, swimwear and real sun protection.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Zanzibar in August?
In August, Zanzibar averages 25°C, 41 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.5/10.
Is August a good time to visit Zanzibar?
August earns a 9.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Zanzibar in August?
Expect about 41 mm of rain in August. Average humidity is 75% and there are about 31 days with 6+ hours of sunshine.

Curated in Zanzibar

Tickets & experiences

Things to do in Zanzibar

Zanzibar, Tanzania. Live activities and tours from GetYourGuide, matched to this destination.