Luwuk in Winter
In winter (June, July and August), Luwuk sees average daytime highs around 26°C and overnight lows near 22°C, with 380 mm of rain over about 54 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 13% of the time across winter, and the air most often feels muggy.
Winter is Luwuk's 2nd-best season to visit on our travel score. Luwuk has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Luwuk's year-round climate.
- Avg daytime high
- 26°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 380 mm
- 54 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.3
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Luwuk in Winter
Across winter, daytime highs hold fairly steady around 26°C.
A typical winter day in Luwuk reaches about 26°C and drops to 22°C overnight. The warmest of the three months is June, the coolest August.
Luwuk weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 23° | 114 | 19.6 | 12 | 4.6 |
| Feb | 28° / 23° | 111 | 17.8 | 12 | 4.5 |
| Mar | 28° / 23° | 179 | 24 | 12 | 4.0 |
| Apr | 28° / 23° | 231 | 26.3 | 12 | 3.8 |
| May | 27° / 23° | 205 | 25.1 | 12 | 4.2 |
| Jun | 26° / 22° | 184 | 22.6 | 11.9 | 4.5 |
| Jul | 26° / 21° | 123 | 18.5 | 12 | 5.3 |
| Aug | 26° / 21° | 74 | 12.4 | 12 | 6.2 |
| Sep | 27° / 21° | 51 | 9 | 12 | 6.5 |
| Oct | 28° / 22° | 74 | 11.5 | 12 | 5.7 |
| Nov | 28° / 23° | 122 | 21.3 | 12 | 4.1 |
| Dec | 28° / 23° | 161 | 24.5 | 12.1 | 3.9 |
Cloud cover in Winter
The sky is clear or mostly clear about 13% of the time across winter.
Chance of precipitation in Winter
Luwuk gets around 380 mm of rain over 54 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 54 min in early June to 12 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.7 kWh/m².
Is winter a good time to visit Luwuk?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Luwuk for sightseeing.
What to pack for Luwuk in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Luwuk sees daytime highs around 26°C and nights near 22°C. Pack rain gear. Worth having: light clothes and sun protection. About 54 days see rain.
Sea temperature near Luwuk in Winter
The nearest coast averages about 29°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in April at about 30°C and coldest in August near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 29 | 29 | 30 | 30 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 30 | Tropical |
| Feb | 30 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 28 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 30 | Tropical |
| Dec | 30 | Tropical |
UV index in Luwuk in Winter
Clear-sky midday UV across winter averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Luwuk peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 16 | 15 | 14 | 13 | 11 | 11 | 13 | 14 | 14 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Where is Luwuk?
Luwuk sits at 1.0°S, 122.8°E, 17 m above sea level, in Indonesia. The nearest listed city is Gorontalo, 168 km away.
Topography around Luwuk
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Luwuk.
Within 3 km, the terrain around Luwuk has significant variations in elevation — a maximum elevation change of 523 m around an average of 189 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,495 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,513 m.
The land around Luwuk is covered by trees (50%) and water (28%) within 3 km, trees (62%) and water (32%) within 16 km, and water (56%) and trees (42%) within 80 km.
Indonesia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,060
- 2025
- Happiness
- 5.6 / 10
- World Happiness, 2025
- Safe drinking water
- 30%
- of population, 2024
- Homicide rate
- 0.3
- per 100k, 2022
- Road deaths
- 11.3
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 471
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Luwuk (-0.9516°, 122.7875°, elevation 17 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.