Tanzania Zanzibar Weather in August — Climate Guide
August in Zanzibar is high
Zanzibar Weather in August — Quick Answer
As of 2026- Avg temp
- 29° / 22°
- Rainfall
- 45mm · 4 days
- Crowds
- Very busy
As of 2026, Zanzibar in August averages a high of 29°C and low of 22°C with 45mm of rain over about 4 days. Peak dry season — around 29°C/22°C, sunny, breezy. Light clothing, SPF 50+, hat, light evening layer. Modest cover for Stone Town. Among the most comfortable months.
August is high for Zanzibar.
August continues the peak dry season — sunny, comfortable, and breezy at around 29°C, and the busiest month of the year alongside July. Excellent conditions across the island.
The north swims well, the east coast keeps prime kitesurfing winds, Mnemba snorkeling is reliable, and Stone Town is comfortable for walking. It remains prime mainland safari season, so the combined trip is at its peak.
Travel score
Zanzibar August Weather Stats
Avg High
29°C
Avg Low
22°C
Rainy Days
4
45mm total
Sunshine
8.5h
Daily avg
Humidity
77%
comfortable
UV Index
12
Extreme
Wind
14 km/h
Gusts 28
Crowds
Very busy
At attractions
August Sunrise & Sunset
Air Quality
PM2.5
9 μg/m³
PM10
20 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
32°C
Nighttime
23°C
Humidity and wind affect how the actual temperature feels.
Wind
14 km/h
Max gust 28 km/h
Activities Recommended for August
August Travel Pros & Cons
Pros
- Peak dry season — sunny and comfortable
- Prime kitesurfing winds (east coast)
- Reliable snorkeling and boat trips
- Best mainland safari-combo season
Cons
- Busiest and most expensive month
- Book everything well ahead
- Strong winds on exposed beaches
- Extreme UV (index 12)
August Events & Festivals
- Peak dry-season high season
- Prime kitesurfing winds continue
- Hotels and restaurants at their busiest
- Best safari-combo season
Zanzibar in August — Full Picture
August continues the peak dry season — sunny, comfortable, and breezy at around 29°C, and the busiest month of the year alongside July. Excellent conditions across the island.
The north swims well, the east coast keeps prime kitesurfing winds, Mnemba snorkeling is reliable, and Stone Town is comfortable for walking. It remains prime mainland safari season, so the combined trip is at its peak.
Expect the highest crowds and prices of the dry season — book everything (hotels, headline restaurants like The Rock, sunset rooftops) well ahead. Northern-hemisphere summer holidays drive demand.
Note: lower mosquito numbers in the dry season, but keep up basic malaria precautions, and maintain strong sun protection against the extreme UV (index 12).
What to Wear & What to Pack
Peak dry season — around 29°C/22°C, sunny, breezy. Light clothing, SPF 50+, hat, light evening layer. Modest cover for Stone Town. Among the most comfortable months.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
31.3°C
23.7°C
13.7/mo
Summer (Jun·Jul·Aug)
Current29.3°C
22°C
4.3/mo
Autumn (Sep·Oct·Nov)
30.7°C
22.7°C
7.3/mo
Winter (Dec·Jan·Feb)
32.7°C
24°C
7/mo
Zanzibar Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 33° | 24° | 7d·60mm | 8h | 80% | 12 | Busy | Peak | |
| February (Best) | 33° | 24° | 6d·55mm | 8.5h | 80% | 12 | Busy | Peak |
| 32° | 24° | 11d·130mm | 7h | 83% | 12 | Moderate | Shoulder | |
| 31° | 24° | 16d·290mm | 5.5h | 85% | 11 | Quiet | Low season | |
| 31° | 23° | 14d·200mm | 6h | 84% | 11 | Quiet | Low season | |
| June (Best) | 30° | 22° | 5d·50mm | 8h | 78% | 11 | Moderate | Shoulder |
| July (Best) | 29° | 22° | 4d·45mm | 8h | 77% | 11 | Very busy | Peak |
| August (Best) | 29° | 22° | 4d·45mm | 8.5h | 77% | 12 | Very busy | Peak |
| September (Best) | 30° | 22° | 4d·45mm | 8.5h | 78% | 12 | Busy | Shoulder |
| 31° | 23° | 7d·75mm | 8h | 79% | 12 | Moderate | Shoulder | |
| 31° | 23° | 11d·130mm | 6.5h | 81% | 11 | Moderate | Shoulder | |
| 32° | 24° | 8d·90mm | 7.5h | 81% | 12 | Very busy | Peak |
View Other Months
Zanzibar August Hotel Picks
Frequently Asked Questions
Is August a good time to visit Zanzibar?
Zanzibar in August is high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Zanzibar in August?
Zanzibar August averages a high of 29°C and a low of 22°C.
Does it rain much in Zanzibar in August?
Zanzibar August averages 45mm of rainfall over about 4 rainy days.
What should I wear in Zanzibar in August?
Peak dry season — around 29°C/22°C, sunny, breezy. Light clothing, SPF 50+, hat, light evening layer. Modest cover for Stone Town. Among the most comfortable months.
What time are sunrise and sunset in Zanzibar in August?
Zanzibar August sunrise is 06:30 and sunset is 18:25, with 11h 55min of daylight.
What's the air quality like in Zanzibar in August?
Zanzibar August air quality (AQI) averages 28, rated Good. PM2.5 averages 9μg/m³.
What activities are recommended in Zanzibar in August?
In August, Zanzibar is great for Mnemba Atoll snorkeling, Kitesurfing (east coast), North-coast beach days.
Is August peak season in Zanzibar?
Zanzibar August crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Zanzibar
View Other Months
Planning a August trip to Zanzibar?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.