May 25 is generally a great time to visit Zanzibar. While there is a slight chance of rain (32%), showers are usually brief. Expect comfortable 28°C weather. Moderate travel demand makes this an excellent time for a balanced Zanzibar experience.
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Essential Travel Info for Zanzibar
Currency
TZS
Sh Tanzanian shilling
Language
English
+1 more
Driving
Left side
Safety
Moderate Safety
GPI: 2.001
Zanzibar Weather Forecast for May 25
"Warm & Sunny. Expect average highs of 27.8°C. 32% chance of rain."
What to Wear in Zanzibar in May
Based on historical data for May 25, Zanzibar typically experiences temperatures between 24°C and 27.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 32% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Zanzibar
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
27.8°C
Daytime Peak
Average Low
24°C
Nighttime Low
Feels Like
31.7°C
🔥 Feels warmer
Rain Chance
32%
Avg 2.4mm if it rains
Cloud Cover
50%
Light drizzle
Pressure
1015 hPa
Low volatility
Zanzibar Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 160 min to burn
Type III-IV
🟡 240 min to burn
Type V-VI
🟢 400 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
24.2°C
Humid/Sticky
Heat Index
31.7°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Tanzania
Flight Traffic
Moderate
46/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~42
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Zanzibar
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:27
☀️ Noon
12:21
🌇 Sunset
18:15
⏱️ Daylight
11h 48m
Wind Speed
16.4 km/h
Gentle breeze
Sunshine
9.7 hrs
Direct Sun (Cloud-free)
Humidity
81%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Zanzibar
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Zanzibar
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Zanzibar on May 25 averages 27.8°C with a 32% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Zanzibar Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 28
27.9°C • 24% rain
Score
95
May 31
27.8°C • 22% rain
Score
95
June 1
27.8°C • 24% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 25) in other destinations
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📍 Is Zanzibar Worth Visiting on May 25?
Planning a trip to Zanzibar on May 25? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.8°C with a 32% historical precipitation risk.
✈️ Travel Logistics: Approximately 42 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for Tanzania, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 28.3°C (tropical bath). Wave conditions are generally lake-like with heights around 0.48m.
📊 Historical Extremes: The hottest May 25 recorded in the last 30 years saw temperatures hit 29.5°C in 2022, while the coldest dropped to 23°C in 2023.