30YearWeather
Stone Town, August 12
Stone Town street view during August
Historical Weather Analysis

Stone Town Weather on August 12 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

27.9°C

High

22.2°C

Low

3%

Rain

🔥 Feels like 31.1°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

August 12 is statistically one of the best days of the year in Stone Town. With minimal rain risk (3%) and pleasant highs of 28°C, it's ideal for outdoor adventures. Stone Town is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

TZS

Sh Tanzanian shilling

Language

English

+1 more

Driving

Left side

Safety

Moderate Safety

GPI: 2.001

Stone Town Weather Forecast for August 12

"Warm & Sunny. Expect average highs of 27.9°C. 3% chance of rain."

What to Wear in Stone Town in August

Based on historical data for August 12, Stone Town typically experiences temperatures between 22.2°C and 27.9°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (3% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Stone Town

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

27.9°C

Daytime Peak

Average Low

extreme-cold

22.2°C

Nighttime Low

Feels Like

partly-cloudy-day

31.1°C

🔥 Feels warmer

Rain Chance

rain

3%

Avg 0.6mm if it rains

Cloud Cover

cloudy

45%

Light drizzle

Pressure

pressure

1016.8 hPa

Low volatility

Stone Town Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

78%Reliable

Based on 10 years of data

Temperature
±0.6°CStable
Precipitation
2-50%Unpredictable

This date historically delivers consistent weather 78% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

2Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 40 min to burn

Type III-IV

🟡 60 min to burn

Type V-VI

🟢 100 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

55Moderate
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

23°C

Humid/Sticky

Heat Index

31.1°C

Feels hotter

😐 Best outdoor time:
Morning hours (before 11 AM)

Marine Conditions

Water Temp
26°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
0.4m
🌊 Lake-like
Max daily wave height
Advisories

Jellyfish Warning

High water temps may attract jellyfish swarms.

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Tanzania

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~91

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Stone Town

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:32

☀️ Noon

12:29

🌇 Sunset

18:26

⏱️ Daylight

11h 53m

Golden Hour
Morning06:32 - 07:01
17:58 - 18:26Evening

Wind Speed

wind

17.7 km/h

Gentle breeze

Sunshine

clear-day

10.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

75%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Stone Town

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 Stone Town

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

98/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1016.8 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
41AQI
Good
PM2.5 Concentration9.5 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):2
In Aug (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Stone Town on August 12 averages 27.9°C with a 3% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Stone Town Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2017
29.1°C
Coldest
2022
20.4°C
Rainiest
2018
1.8mm

Compare Other Cities

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📍 Is Stone Town Worth Visiting on August 12?

Planning a trip to Stone Town on August 12? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.9°C with a 3% historical precipitation risk.

✈️ Travel Logistics: Approximately 91 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 26°C (tropical bath). Wave conditions are generally lake-like with heights around 0.4m.

📊 Historical Extremes: The hottest August 12 recorded in the last 30 years saw temperatures hit 29.1°C in 2017, while the coldest dropped to 20.4°C in 2022.

Stone Town Weather FAQ