30YearWeather
Sumba in October
Sumba weather in October - Indonesia
☀️Hot & Sunny

Sumba Weather in October

Plan your October trip to Sumba, Indonesia. Based on 30 years of NASA data, expect temperatures of 32°C (high) to 24°C (low), with 16% rain probability and 8 hours of daily sunshine. The Indian Ocean averages 29°C in October. Great conditions with only 1 rainy days expected.

Avg High
32°C

Hottest around day 15

Avg Low
24°C

Coolest around day 1

Rainy Days
1days

16% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in October

Indian Ocean(Samudra Hindia)

29°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
✅Excellent for swimming

Based on average sea surface temperature

Body of Water
Indian Ocean

Samudra Hindia

Sumba coastline

Sumba October Weather Calendar

Click any day to see detailed weather information

Day 1
clear-day
Sunny
32°C10%
Day 2
clear-day
Sunny
32°C12%
Day 3
clear-day
Sunny
32°C12%
Day 4
clear-day
Sunny
32°C12%
Day 5
clear-day
Sunny
32°C11%
Day 6
clear-day
Sunny
32°C11%
Day 7
clear-day
Sunny
32°C12%
Day 8
clear-day
Sunny
32°C14%
Day 9
clear-day
Sunny
32°C15%
Day 10
clear-day
Sunny
32°C15%
Day 11
clear-day
Sunny
32°C16%
Day 12
extreme-hot
Hot
33°C16%
Day 13
extreme-hot
Hot
33°C16%
Day 14
extreme-hot
Hot
33°C13%
Day 15
extreme-hot
Hot
33°C16%
Day 16
extreme-hot
Hot
33°C19%
Day 17
extreme-hot
Hot
33°C19%
Day 18
extreme-hot
Hot
33°C18%
Day 19
extreme-hot
Hot
33°C20%
Day 20
cloudy
Cloudy
32°C21%
Day 21
clear-day
Sunny
32°C20%
Day 22
clear-day
Sunny
32°C19%
Day 23
clear-day
Sunny
32°C19%
Day 24
clear-day
Sunny
32°C18%
Day 25
clear-day
Sunny
32°C15%
Day 26
clear-day
Sunny
32°C12%
Day 27
clear-day
Sunny
32°C11%
Day 28
clear-day
Sunny
32°C13%
Day 29
extreme-hot
Hot
33°C16%
Day 30
cloudy
Cloudy
33°C23%
Day 31
cloudy
Cloudy
33°C26%

Essential Travel Info for Sumba

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

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

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.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote
4/ 100
Traffic Index

Off the beaten path

Peak Daily Arrivals

0

slots per day

Peak

Jul

Low

May

Monthly Traffic Distribution

9
Jan
6
Feb
6
Mar
5
Apr
4
May
6
Jun
9
Jul
7
Aug
8
Sep
8
Oct
8
Nov
6
Dec
Traffic Level
Low Season

Key Connections

Denpasar-Bali Island Ngurah Rai (Bali) (DPS)
Kupang-Timor Island El Tari (KOE)
Mataram Bandara Lombok (LOP)
Surabaya Juanda (SUB)

Health & Safety Advisory

CDC travel health recommendations

11 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Indonesia.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Indonesia.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

Malaria

CDC recommends that travelers going to certain areas of Indonesia take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasAll areas of eastern Indonesia (the provinces of Maluku, North Maluku, East Nusa Tenggara, Papua, and West Papua), including the town of Labuan Bajo and the Komodo Islands in the Nusa Tenggara regionRural areas of Kalimantan (Borneo), West Nusa Tenggara (includes the island of Lombok), Sulawesi, and SumatraLow transmission in rural areas of Java, including Pangandaran, Sukabumi, and Ujung KulonNo malaria transmission in the cities of Jakarta (the capital) or UbudNo malaria transmission in the resort areas of Bali or Java, the Gili Islands, or the Thousand Islands (Pulau Seribu)Drug resistanceChloroquine (P. falciparumandP. vivax)SpeciesP. falciparum(60%)P. vivax(40%)P. knowlesi,6P. malariae, andP. ovale(rare)Recommended chemoprophylaxisAtovaquone-proguanil, doxycycline, mefloquine, tafenoquine3Updated April 23, 2025See footnotes

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is October a Good Time to Visit Sumba?

👌Worthwhile timing with some trade-offs
Short Answer

Expect challenging weather in Sumba during October - 32°C combined with 73% humidity creates a heat index of 43°C. Air conditioning and strategic planning are essential.

Decision Factors

Very hot conditions

32.4°C average highs - limit midday exposure

Vaccinations required

Yellow Fever

Feels significantly hotter than 32.4°C

Heat index: 43°C due to 73% humidity

Warm tropical seas

29°C sea temperature - Hot Soup

Seismically active region

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

Peak tourist season

89% of annual peak - expect crowds and high prices

Good For

  • 🏖️
    Beach lovers

    29°C warm seas and 16% rain probability

  • 📸
    Photographers

    11.4h sunshine, 51% clear skies for golden hour shots

  • 💑
    Honeymoon couples

    Wedding score 98/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👨‍👩‍👧‍👦
    Families with children

    43°C heat index dangerous for children

  • 👴
    Elderly travelers

    Heat index of 43°C poses health risks

  • 🥾
    Outdoor enthusiasts

    Extreme conditions limit outdoor activity options

Related Guides

Best Time to VisitWhen to AvoidSumba Overview
930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Sumba in October averages 32°C with 16% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Sumba in October

What are the temperatures in Sumba in October?

Daytime highs average 32°C, nights drop to 24°C. Temperatures remain fairly consistent.

How many rainy days in Sumba in October?

Expect around 1 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Sumba in October?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is October peak season in Sumba?

This is shoulder season—moderate prices and manageable crowds.