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Indonesia

Nusantara

Sun, sea & sand

Nusantara at a glance

Best time
All year
Warmest month
Oct · 30°
Warmest sea
Apr · 29.6°
Sunshine a year
1,730 h
Rain a year
3,263 mm
Climate
Tropical
Time zone
UTC+8
Elevation
48 m

Climate in Nusantara

Nusantara has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. October is the warmest month with average highs of 30 °C, while July is the coolest at 29 °C. With around 1,730 hours of sunshine a year, Nusantara is moderately sunny; August is the sunniest month with 5.7 hours a day.

Holiday weather through the year

Your holiday weather, at a glance

Weather in October

67

Holiday weather in October

Good

Best time to visit: January – December

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 26°
  2. Midday, 13:00: about 30°
  3. Afternoon, 16:00: about 30°
  4. Evening, 20:00: about 27°
  5. Night, 23:00: about 25°

05:5518:03

Warm enough for a T-shirt in the evening.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 05:42–06:22 · evening 17:35–18:15
Blue hour
Morning 05:34–05:42 · evening 18:15–18:24

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

What is the weather like in Nusantara in October?

In October, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.3 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 231 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Nusantara.

More details for October

Daylight
12 h 8 min05:55 – 18:03
UV index
14 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
9 km/haverage daily peakAll months
Cloud cover
85 %on averageAll months
Hot days
18 days30 °C or moreAll months
Time zone
UTC+8Asia/Makassar

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %35 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella
Swimming calendar

Sea temperature in Nusantara

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October29.3°Cvery warm

8 in 10 years: 28.7 – 29.7 °C

Swimming season: All year

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 29.3°8 in 10 years 28.7° – 29.7°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Nusantara ranges from 28.5 °C in August to 29.6 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

In June the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in April, eight out of ten years were between 29.1 and 29.9 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan29.2°28.6°29.6°very warm
FebruaryFeb29.0°28.4°29.4°very warm
MarchMar29.2°28.9°29.7°very warm
AprilApr29.6°29.1°29.9°very warm
MayMay29.6°29.1°30.2°very warm
JuneJun29.3°28.9°29.7°very warm
JulyJul28.8°28.2°29.3°warm
AugustAug28.5°28.1°29.0°warm
SeptemberSep28.7°28.1°29.2°warm
OctoberOct29.3°28.7°29.7°very warm
NovemberNov29.5°29.1°29.9°very warm
DecemberDec29.5°29.1°29.9°very warm
Sunshine

Sunshine hours in Nusantara

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,730 hours
Sunniest month
Aug · 5.7 h a day
Least sunshine
Jan · 3.9 h a day
OctoberSunshine 5.1 hDaylight 12.1 hShare of daylight 42 %
SunshineDaylight

In October, the sun shines for about 5.1 of 12.1 hours of daylight in Nusantara, 42 % of the day.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Sun protection

UV index in Nusantara

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
14 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.

The sun is strongest in March (UV 14).

Minutes until sunburn in October

Very fair skin
about 10 min
Fair skin
about 10 min
Light brown skin
about 15 min
Olive skin
about 20 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Rain

Rain in Nusantara: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
3,263 mm on 311 days
Wettest month
Mar · 353 mm
Driest month
Aug · 162 mm
OctoberRainy days 24Rainfall 231 mm

In October, Nusantara has about 24 rainy days with 231 mm of rain in total.

Wind & clouds

Wind and clouds in Nusantara

How breezy and how cloudy Nusantara is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
8 km/h · light air
Windiest month
Aug · 10 km/h
Calmest month
Apr · 7 km/h
OctoberWind 9 km/hBeaufort 2
20
WindBeaufort 4

In October, the wind in Nusantara typically peaks at 9 km/h during the day: Beaufort 2, light air.

Breezy months for windsurfing and kiting

The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
85 % · mostly overcast
Clearest month
Aug · 74 %
Cloudiest month
Dec · 95 %
OctoberCloud cover 85 %Sunshine 5.1 h

In October, cloud covers on average 85 % of the sky over Nusantara: mostly overcast, with about 5.1 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity

Heat and humidity in Nusantara

How often the day gets hot in Nusantara (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
144 days
Hottest month
Oct · 30 °C
Hot months
Mar – Apr, Oct

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 18Day high 30 °C

In October, Nusantara has about 18 hot days, with an average daytime high of 30 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Nusantara

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Warm 20–24°
  • Hot 24° and more
  • muggy month (10+ muggy days)

HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).

The coolest nights are in July (23°), the warmest in May (24°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) on about 365 days a year, mostly all year round.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 30°Night 24°Sea 29°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan6330°23°29.2°3.9 h28338
FebruaryFeb6430°24°29.0°4.1 h24301
MarchMar6430°24°29.2°4.3 h29353
AprilApr6430°24°29.6°4.3 h28349
MayMay6630°24°29.6°4.9 h28274
JuneJun6729°24°29.3°5.0 h26226
JulyJul6729°23°28.8°5.2 h24187
AugustAug6929°23°28.5°5.7 h22162
SeptemberSep6930°23°28.7°5.7 h20177
OctoberOct6730°24°29.3°5.1 h24231
NovemberNov6430°24°29.5°4.3 h28316
DecemberDec6430°24°29.5°4.2 h29349

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

0.97° S, 116.71° E · 48 m · Asia/Makassar

Best time to visit

Best time to visit Nusantara

The best time to visit Nusantara is all year round. The sea stays too cool for a classic beach holiday: even in April it only reaches 29.6 °C. The wettest month is March with 353 mm of precipitation.

Nusantara through the seasons

How the weather changes over the seasons, with averages for each.

Nusantara in spring

Sep – Nov

67

Good

  • 30 °C by day
  • Sea 29 °C
  • 5 h of sun a day
  • 73 rainy days in all

Nusantara in summer

Dec – Feb

64

Good

  • 30 °C by day
  • Sea 29 °C
  • 4 h of sun a day
  • 82 rainy days in all

Nusantara in autumn

Mar – May

65

Good

  • 30 °C by day
  • Sea 30 °C
  • 5 h of sun a day
  • 85 rainy days in all

Nusantara in winter

Jun – Aug

68

Good

  • 29 °C by day
  • Sea 29 °C
  • 5 h of sun a day
  • 71 rainy days in all

Find your perfect month

Tell us what you like and we rate every month in Nusantara for you.

Swimming in the sea
Sunshine
Little rain

Your best months: June – August

Based on the climate averages; tap a month to see its details.

Compare two months in Nusantara

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs.

October and August bring similar holiday weather to Nusantara (score 67 and 69). In August, days are 1 °C cooler than in October. The sea is 1 °C cooler in August. August has 2 fewer rainy days. The sun shines an hour longer a day in August.

October vs. August, Nusantara
MonthOctoberAugust
Weather score6769
Day high30°29°
Night low24°23°
Sea29.3°28.5°
Sunshine5.1 h5.7 hbetter
Rainy days2422better
Rainfall231 mm162 mmbetter
Muggy days3131

Based on the climate averages 1996–2025.

Which month for what?

Beach & swimming

No month

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Rainy months

All year

12 or more rainy days

Nusantara month by month

The typical weather for every month at a glance.

63January30° · Sea 29° · 4 h

In January, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 29.2 °C – almost as warm as a bath. The sun is scarce, with only about 4 hours a day. It is the rainy season: rain falls on about 28 days, totalling 338 mm. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a good month for a holiday in Nusantara.

Nusantara in January
64February30° · Sea 29° · 4 h

In February, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 301 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is a good month for a holiday in Nusantara.

Nusantara in February
64March30° · Sea 29° · 4 h

In March, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 353 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Nusantara.

Nusantara in March
64April30° · Sea 30° · 4 h

In April, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.6 °C – almost as warm as a bath. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 349 mm. On about 15 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Nusantara.

Nusantara in April
66May30° · Sea 30° · 5 h

In May, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.6 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 274 mm. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a good month for a holiday in Nusantara.

Nusantara in May
67June29° · Sea 29° · 5 h

In June, Nusantara is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 29.3 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 226 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in Nusantara.

Nusantara in June
67July29° · Sea 29° · 5 h

In July, Nusantara is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 28.8 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 187 mm. The air is often humid and muggy. All in all, July is a good month for a holiday in Nusantara.

Nusantara in July
69August29° · Sea 29° · 6 h

In August, Nusantara is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 28.5 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 162 mm. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Nusantara.

Nusantara in August
69September30° · Sea 29° · 6 h

In September, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 28.7 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 177 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Nusantara.

Nusantara in September
67October30° · Sea 29° · 5 h

In October, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.3 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 231 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Nusantara.

Nusantara in October
64November30° · Sea 30° · 4 h

In November, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.5 °C – almost as warm as a bath. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 316 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in Nusantara.

Nusantara in November
64December30° · Sea 30° · 4 h

In December, Nusantara is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.5 °C – almost as warm as a bath. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 349 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Nusantara.

Nusantara in December
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Nusantara compared

Put Nusantara side by side with another destination.

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Nusantara vs. Makassar

In October Makassar has the better holiday weather (score 76 vs. 67). During the day it is about as warm in Makassar as in Nusantara. The sea is about equally warm. Makassar gets 2 more hours of sunshine a day.

Nusantara vs. Makassar, in October
in OctoberNusantaraMakassar
Holiday score6776
Daytime high30°30°
Sea29°29°
Sunshine5 h7 h
Rainy days2416
Best timeAll yearJul – Sep

Through the year

OctoberNusantara 30°Makassar 30°
NusantaraMakassar
Go to Makassar
Ranking

Indonesia in October: the best places

In October, Nusantara ranks 5 of 16 destinations in this country.

  1. Komodo Island29°28°99
  2. 2Senggigi31°29°88
  3. 3Kuta28°27°81
  4. 4Denpasar27°27°71
  5. 5NusantaraThis page30°29°67
  6. 6Labuan Bajo29°29°65
  7. 7Ubud29°60
  8. 8Yogyakarta30°54
All destinations: Indonesia

Planning a trip to Nusantara

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Nusantara in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Nusantara has similar weather in all school holidays (scores 64 to 68).

  • Easter holidays

    Mar – Apr

    64

    Good

    • 30 °C by day
    • Sea 29 °C
    • 4.3 h of sun a day
    • 28 rainy days a month

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    66

    Good

    • 30 °C by day
    • Sea 30 °C
    • 4.9 h of sun a day
    • 28 rainy days a month

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    68

    Good

    • 29 °C by day
    • Sea 29 °C
    • 5.5 h of sun a day
    • 22 rainy days a month

    Keep in mind: Frequent rain

  • October half-term

    Oct

    67

    Good

    • 30 °C by day
    • Sea 29 °C
    • 5.1 h of sun a day
    • 24 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    64

    Good

    • 30 °C by day
    • Sea 29 °C
    • 4.1 h of sun a day
    • 29 rainy days a month

    Keep in mind: Frequent rain

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 14 h 55 min
Distance
11,930 km
Time zone
UTC+8
Jet lag
About 7 days (7 h east)

Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.

Most routes need a change of planes, which adds time.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Frequently asked questions about Nusantara

When is the best time to visit Nusantara?

The best time to visit Nusantara is all year round. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Nusantara?

The sea temperature in Nusantara ranges from 28.5 °C in August to 29.6 °C in April. At 20 °C and more, the sea is warm enough for swimming all year round.

Can you swim in Nusantara in October?

Yes. In October the sea averages 29.3 °C – almost as warm as a bath.

What is the warmest month in Nusantara?

October is the warmest month, with average highs of 30 °C and nights around 24 °C. July is the coolest month at 29 °C.

When does it rain most in Nusantara?

The wettest month is March with 353 mm of precipitation. The driest month is August with 162 mm.

How many hours of sunshine does Nusantara get?

Nusantara gets around 1,730 hours of sunshine a year. The sunniest month is August with 5.7 hours a day; in January there are 3.9 hours a day.

What time zone is Nusantara in?

Nusantara uses the time zone Asia/Makassar, at UTC+8 all year.

How long is the flight from London to Nusantara?

A nonstop flight from London to Nusantara takes about 14 h 55 min, for a straight-line distance of about 11,930 km. Most routes need a change of planes, which adds time.

Which school holidays are best for Nusantara?

Nusantara has similar weather in all school holidays (scores 64 to 68). Holiday ratings (0–100): Easter holidays 64, May half-term 66, Summer holidays 68, October half-term 67, Christmas holidays 64.

Near Nusantara

Other destinations close by.

Places with a climate like Nusantara

Destinations whose weather through the year is closest to Nusantara's – good alternatives.

  1. 84% similar69RabaulPapua New Guinea29°30°Best time: All year
  2. 82% similar43JayapuraIndonesia30°30°Best time: All year
  3. 75% similar53HoniaraSolomon Islands28°29°Best time: All year
  4. 73% similar42Bandar Seri BegawanBrunei29°30°Best time: Jul, Sep – Mar