October 18 is generally a great time to visit Zanzibar. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 30°C weather. You'll enjoy Zanzibar with reasonable crowd levels and competitive accommodation options.
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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 October 18
"Warm & Sunny. Expect average highs of 29.8°C. 22% chance of rain."
What to Wear in Zanzibar in October
Based on historical data for October 18, Zanzibar typically experiences temperatures between 23.5°C and 29.8°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Zanzibar
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
29.8°C
Daytime Peak
Average Low
23.5°C
Nighttime Low
Feels Like
35.8°C
🔥 Heat index effect
Rain Chance
22%
Avg 1.4mm if it rains
Cloud Cover
45%
Light drizzle
Pressure
1013.6 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 30+ required, seek shade
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 13 min to burn
Type III-IV
🟡 20 min to burn
Type V-VI
🟢 33 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
24.9°C
Humid/Sticky
Heat Index
35.8°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
54/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~49
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Zanzibar
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:02
☀️ Noon
12:09
🌇 Sunset
18:17
⏱️ Daylight
12h 15m
Wind Speed
17 km/h
Gentle breeze
Sunshine
11.2 hrs
Direct Sun (Cloud-free)
Humidity
75%
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
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
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 October 18 averages 29.8°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 93/100."
— 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
October 13
29.8°C • 14% rain
Score
100
October 12
29.8°C • 16% rain
Score
95
October 14
29.8°C • 17% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
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📍 Is Zanzibar Worth Visiting on October 18?
Planning a trip to Zanzibar on October 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.8°C with a 22% historical precipitation risk.
✈️ Travel Logistics: Approximately 49 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 27.6°C (tropical bath). Wave conditions are generally lake-like with heights around 0.34m.
📊 Historical Extremes: The hottest October 18 recorded in the last 30 years saw temperatures hit 31.3°C in 2022, while the coldest dropped to 22.1°C in 2022.