What is the weather like in Sumba throughout the year?

Sumba experiences varying weather throughout the year. The warmest month is November with average highs of 32°C. The coolest month is August.

What is the weather like in Sumba in June?

Sumba in June scores 60/100 based on 30 years of climate data. Worthwhile timing with some trade-offs.

Who should visit Sumba in June?

June in Sumba is ideal for: Beach lovers, Outdoor enthusiasts, Honeymoon couples, Business travelers.

Best Time to Visit Sumba | 30-Year Weather Analysis

Why June is the Best Time to Visit Sumba

Is June a Good Time to Visit Sumba?

👌Worthwhile timing with some trade-offs(60/100)

Short Answer

Beach lovers rejoice: Sumba's June features 27.7°C sea temperatures alongside 30°C air temps. Just 9% rain risk makes this prime swimming season.

Decision Factors

Oppressive heat and humidity

29.6°C with 78% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 29.6°C

Heat index: 36°C due to 78% humidity

Warm tropical seas

27.7°C sea temperature - Tropical Bath

Seismically active region

17 earthquakes recorded in this month (30-year data)

Excellent dry conditions

Only 9% rain probability - ideal for outdoor activities

Good For

🏖️
Beach lovers
27.7°C warm seas and 9% rain probability
🥾
Outdoor enthusiasts
Ideal hiking conditions: 29.6°C, 9% rain chance
💑
Honeymoon couples
Wedding score 99/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👴
Elderly travelers
Heat index of 36°C poses health risks
🌡️
Heat-sensitive visitors
36°C feels-like temperature creates discomfort

Warmest

November

32°C avg

Coolest

August

30°C avg

Driest

August

2% rain

Wettest

February

76% rain

Planning Your Trip to Sumba, Indonesia

Wondering when is the best time to visit Sumba? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Sumba are June, July, August. During these months, you'll experience optimal temperatures around 30°C with only 9% chance of rain.

The Sumba climate varies throughout the year. November is the hottest month with average highs of 32°C, while August is the coldest at 30°C. If you're planning outdoor activities or sightseeing in Sumba, avoid February when rainfall peaks at 76% probability.

For the best Sumba weather experience, we recommend visiting during August for the driest conditions or the shoulder months of June and July for a perfect balance of weather and fewer crowds.

Sumba Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Sumba

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit Sumba: Travel Style Guide

Personalized Sumba travel recommendations based on 30-year weather data

Beach Lovers

Warmest weather with ideal sea temperatures for swimming

SeptemberOctoberApril

Budget Travelers

Shoulder season with good weather and lower prices

AprilOctober

Avoiding Crowds

Fewer tourists with acceptable weather conditions

AprilOctoberNovember

Honeymoon

Perfect conditions for a romantic getaway

MayJuneJuly

Sumba Weather FAQ: Your Questions Answered

What is the best time to visit Sumba?

Based on 30 years of weather data, the best months to visit Sumba are June, July, August. These months offer the optimal combination of pleasant temperatures (30°C avg) and low rainfall (9% chance).

When is the hottest time of year in Sumba?

November is historically the warmest month in Sumba with average highs of 32°C. If you prefer cooler weather, consider visiting in August when temperatures average around 30°C.

When is the rainy season in Sumba?

February typically sees the most rainfall in Sumba with a 76% chance of rain. For the driest conditions, plan your visit in August when rain probability drops to just 2%.

How accurate is the Sumba weather forecast?

Our Sumba climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to Sumba.

What should I pack for Sumba?

Packing depends on when you visit. In November (warmest month), pack light summer clothes for 32°C weather. In August (coolest month), bring layers for 30°C temperatures. During February, pack rain gear as there's a 76% chance of rain.

Is Sumba good for a destination wedding?

Yes! The best months for an outdoor wedding in Sumba are August (only 2% rain chance) and June for optimal weather conditions. Avoid February when rain probability peaks at 76%.