30YearWeather
Sumba, August 3
Sumba street view during August
Historical Weather Analysis

Sumba Weather on August 3 — Best Time to Visit?

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

clear-day

29.9°C

High

22.2°C

Low

3%

Rain

🔥 Feels like 35.5°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

August 3 is statistically one of the best days of the year in Sumba. With minimal rain risk (3%) and pleasant highs of 30°C, it's ideal for outdoor adventures. It's a lively time to explore Sumba, with most attractions operating at full capacity.

Currency

IDR

Rp Indonesian rupiah

Language

Indonesian

Driving

Left side

Connect

Since Sumba is far from other major citi...

Safety

High Safety

GPI: 1.8

Sumba Weather Forecast for August 3

"Warm & Sunny. Expect average highs of 29.9°C. 3% chance of rain."

What to Wear in Sumba in August

Based on historical data for August 3, Sumba typically experiences temperatures between 22.2°C and 29.9°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 Sumba

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

29.9°C

Daytime Peak

Average Low

extreme-cold

22.2°C

Nighttime Low

Feels Like

partly-cloudy-day

35.5°C

🔥 Heat index effect

Rain Chance

rain

3%

Avg 0.2mm if it rains

Cloud Cover

cloudy

46%

Overcast

Pressure

pressure

1013.1 hPa

Low volatility

Sumba Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

100%Highly Predictable

Based on 10 years of data

Temperature
±0.9°CStable
Precipitation
2-20%Moderate

🎯 This date historically delivers consistent weather 100% 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?

51Moderate
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

24.5°C

Humid/Sticky

Heat Index

35.5°C

Feels hotter

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

Marine Conditions

Water Temp
27.2°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
0.48m
🌊 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 Indonesia

Flight Traffic

Busy

78/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~7

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Sumba

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:15

☀️ Noon

12:06

🌇 Sunset

17:57

⏱️ Daylight

11h 42m

Golden Hour
Morning06:15 - 06:44
17:28 - 17:57Evening

Wind Speed

wind

18.5 km/h

Gentle breeze

Sunshine

clear-day

10.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

73%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Sumba

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 Sumba

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 Pressure1013.1 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
29AQI
Good
PM2.5 Concentration8.8 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):206
In Aug (30y):15
Last in Aug:2025-08-16
💡 Earthquake risk elevated. Download a seismic alert app.

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Sumba on August 3 averages 29.9°C with a 3% precipitation probability. Wedding/Outdoor Event Score: 100/100."

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

Sumba Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2021
31.4°C
Coldest
2020
20.6°C
Rainiest
2025
2.6mm

Compare Other Cities

Same date (August 3) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Sumba Worth Visiting on August 3?

Planning a trip to Sumba on August 3? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.9°C with a 3% historical precipitation risk.

✈️ Travel Logistics: Approximately 7 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 11 vaccinations are recommended for Indonesia, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 27.2°C (tropical bath). Wave conditions are generally lake-like with heights around 0.48m.

📊 Historical Extremes: The hottest August 3 recorded in the last 30 years saw temperatures hit 31.4°C in 2021, while the coldest dropped to 20.6°C in 2020.

Sumba Weather FAQ