30YearWeather
Stone Town, December 16
Stone Town street view during December
Historical Weather Analysis

Stone Town Weather on December 16 — Best Time to Visit?

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

cloudy

30.4°C

High

25.4°C

Low

29%

Rain

🔥 Feels like 38.6°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

December 16 is generally a great time to visit Stone Town. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 30°C weather. As it's peak season for Stone Town, we recommend booking your stay well in advance to secure the best rates.

Currency

TZS

Sh Tanzanian shilling

Language

English

+1 more

Driving

Left side

Safety

Moderate Safety

GPI: 2.001

Stone Town Weather Forecast for December 16

"Warm & Sunny. Expect average highs of 30.4°C. 29% chance of rain."

What to Wear in Stone Town in December

Based on historical data for December 16, Stone Town typically experiences temperatures between 25.4°C and 30.4°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Stone Town

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

30.4°C

Daytime Peak

Average Low

extreme-cold

25.4°C

Nighttime Low

Feels Like

partly-cloudy-day

38.6°C

🔥 Heat index effect

Rain Chance

rain

29%

Avg 1.9mm if it rains

Cloud Cover

cloudy

48%

Light drizzle

Pressure

pressure

1010.9 hPa

Low volatility

Stone Town Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

83%Highly Predictable

Based on 10 years of data

Temperature
±1.1°CStable
Precipitation
15-70%Unpredictable

🎯 This date historically delivers consistent weather 83% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

7.9High
036811+

Protection Needed

SPF 30+ required, seek shade

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Peak danger: 10:00 - 14:00
Time to Sunburn

Type I-II

🔴 10 min to burn

Type III-IV

🟡 15 min to burn

Type V-VI

🟢 25 min to burn

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

Outdoor Comfort

How pleasant is it outside?

44Poor
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

26.3°C

Humid/Sticky

Heat Index

38.6°C

Feels hotter

😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)

Marine Conditions

Water Temp
29.8°C
🔥 Hot Soup
Avg daily surface temperature
Surf Conditions
0.25m
🌊 Lake-like
Max daily wave height
Advisories

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

High

80/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~73

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Stone Town

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:05

☀️ Noon

12:20

🌇 Sunset

18:34

⏱️ Daylight

12h 28m

Golden Hour
Morning06:05 - 06:35
18:04 - 18:34Evening

Wind Speed

wind

17.3 km/h

Gentle breeze

Sunshine

clear-day

11.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

79%

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

⛅ Good

77/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1010.9 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

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 Dec (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Stone Town on December 16 averages 30.4°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 89/100."

— 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
2022
32.9°C
Coldest
2021
23.6°C
Rainiest
2015
8.3mm

Compare Other Cities

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📍 Is Stone Town Worth Visiting on December 16?

Planning a trip to Stone Town on December 16? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 30.4°C with a 29% historical precipitation risk.

✈️ Travel Logistics: Approximately 73 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 29.8°C (hot soup). Wave conditions are generally lake-like with heights around 0.25m.

📊 Historical Extremes: The hottest December 16 recorded in the last 30 years saw temperatures hit 32.9°C in 2022, while the coldest dropped to 23.6°C in 2021.

Stone Town Weather FAQ