Adiwerna in Summer
In summer (December, January and February), Adiwerna sees average daytime highs around 29°C and overnight lows near 24°C, with 1374 mm of rain over about 88 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 0% of the time across summer, and the air most often feels oppressive.
Summer is Adiwerna's weakest season of the year to visit on our travel score. Adiwerna 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 Adiwerna's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 1374 mm
- 88 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Adiwerna in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Adiwerna reaches about 29°C and drops to 24°C overnight. The warmest of the three months is December, the coolest January.
How summer really feels in Adiwerna
Once humidity and wind are folded in, summer brings about 54 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Adiwerna weather by month
How the three summer months (December, January and February) 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 | 29° / 24° | 472 | 30.4 | 12.4 | 2.9 |
| Feb | 29° / 24° | 443 | 27.7 | 12.2 | 2.8 |
| Mar | 29° / 24° | 415 | 30.5 | 12 | 2.8 |
| Apr | 30° / 24° | 312 | 28.1 | 11.9 | 2.9 |
| May | 30° / 24° | 166 | 22.1 | 11.7 | 3.7 |
| Jun | 29° / 24° | 99 | 15.1 | 11.6 | 4.7 |
| Jul | 29° / 23° | 64 | 10.8 | 11.6 | 5.6 |
| Aug | 29° / 22° | 39 | 7.5 | 11.8 | 5.9 |
| Sep | 29° / 23° | 63 | 10 | 12 | 5.2 |
| Oct | 30° / 24° | 171 | 19.8 | 12.2 | 3.9 |
| Nov | 29° / 24° | 350 | 27.4 | 12.3 | 3.0 |
| Dec | 29° / 24° | 459 | 29.9 | 12.4 | 2.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 0% of the time across summer.
Chance of precipitation in Summer
Adiwerna gets around 1374 mm of rain over 88 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 24 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.7 kWh/m².
Hazard calendar for Adiwerna
In summer, Adiwerna overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Adiwerna sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Adiwerna's rainy season runs November–April, when most of the year's rain falls.
Is summer a good time to visit Adiwerna?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Adiwerna.
What to pack for Adiwerna in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Adiwerna sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 88 days see rain.
Sea temperature near Adiwerna in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in May at about 30°C and coldest in February near 29°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) | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 30 | Tropical |
| Dec | 30 | Tropical |
UV index in Adiwerna in Summer
Clear-sky midday UV across summer 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 Adiwerna peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 6 (high).
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) | 12 | 12 | 14 | 11 | 8 | 8 | 9 | 11 | 12 | 11 | 6 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | High | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 6 | High |
| Dec | 12 | Extreme |
Air quality in Adiwerna in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Adiwerna is worst in May — around 42 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 31 | 37 | 38 | 42 | 38 | 35 | 35 | 36 | 37 | 34 | 33 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Poor | Moderate | Moderate | Poor | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 31 | Moderate |
| Mar | 37 | Poor |
| Apr | 38 | Poor |
| May | 42 | Poor |
| Jun | 38 | Poor |
| Jul | 35 | Moderate |
| Aug | 35 | Moderate |
| Sep | 36 | Poor |
| Oct | 37 | Poor |
| Nov | 34 | Moderate |
| Dec | 33 | Moderate |
Where is Adiwerna?
Adiwerna sits at 6.9°S, 109.1°E, 23 m above sea level, in Indonesia. The nearest listed city is Tarub, 4.0 km away.
Topography around Adiwerna
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Adiwerna.
Within 3 km, the terrain around Adiwerna has only modest variations in elevation — a maximum elevation change of 29 m around an average of 21 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 613 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.
The land around Adiwerna is covered by artificial surfaces (49%) and trees (25%) within 3 km, cropland (36%) and trees (24%) within 16 km, and trees (46%) and water (31%) 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 Adiwerna (-6.9375°, 109.1325°, elevation 23 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.