Wamena in Winter
In winter (June, July and August), Wamena sees average daytime highs around 20°C and overnight lows near 11°C, with 703 mm of rain over about 79 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 20°C. The sky is clear or mostly clear about 2% of the time across winter, and the air most often feels dry.
Winter is Wamena's best season of the year to visit on our travel score. For the whole year in context, see Wamena's year-round climate.
- Avg daytime high
- 20°C
- coldest season of the year
- Avg overnight low
- 11°C
- Rainfall
- 703 mm
- 79 wet days
- Avg wind
- 3 km/h
- Travel score
- 3.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Wamena in Winter
Across winter, daytime highs hold fairly steady around 20°C.
A typical winter day in Wamena reaches about 20°C and drops to 11°C overnight. The warmest of the three months is June, the coolest July.
Wamena 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 | 21° / 12° | 404 | 28.9 | 12.2 | 3.4 |
| Feb | 21° / 12° | 407 | 27.3 | 12.1 | 3.2 |
| Mar | 21° / 12° | 427 | 30.3 | 12 | 3.2 |
| Apr | 21° / 12° | 359 | 28.5 | 11.9 | 3.3 |
| May | 20° / 12° | 233 | 27.1 | 11.8 | 3.7 |
| Jun | 20° / 11° | 213 | 25.4 | 11.8 | 3.8 |
| Jul | 19° / 11° | 232 | 25.9 | 11.8 | 3.8 |
| Aug | 20° / 11° | 258 | 27.8 | 11.9 | 3.6 |
| Sep | 20° / 11° | 275 | 27.7 | 12 | 3.5 |
| Oct | 20° / 12° | 261 | 28.2 | 12.1 | 3.5 |
| Nov | 21° / 12° | 259 | 27.6 | 12.2 | 3.5 |
| Dec | 21° / 12° | 359 | 29.2 | 12.2 | 3.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 2% of the time across winter.
Chance of precipitation in Winter
Wamena gets around 703 mm of rain over 79 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 3 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 48 min in early June to 11 h 54 min 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 4.1 kWh/m².
Is winter a good time to visit Wamena?
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 weaker month for outdoor sightseeing in Wamena.
What to pack for Wamena in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Wamena sees daytime highs around 20°C and nights near 11°C. Pack rain gear. About 79 days see rain.
UV index in Wamena in Winter
Clear-sky midday UV across winter averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Wamena peaks around March 13 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 13 (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) | 17 | 18 | 19 | 17 | 14 | 13 | 13 | 14 | 16 | 16 | 15 | 15 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 17 | Extreme |
| Feb | 18 | Extreme |
| Mar | 19 | Extreme |
| Apr | 17 | Extreme |
| May | 14 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 16 | Extreme |
| Oct | 16 | Extreme |
| Nov | 15 | Extreme |
| Dec | 15 | Extreme |
Where is Wamena?
Wamena sits at 4.1°S, 138.9°E, 1,488 m above sea level, in Indonesia. The nearest listed city is Tiom, 58 km away.
Topography around Wamena
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Wamena.
Within 3 km, the terrain around Wamena has only modest variations in elevation — a maximum elevation change of 243 m around an average of 1,662 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,670 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,664 m.
The land around Wamena is covered by grassland (58%) and trees (21%) within 3 km, trees (55%) and grassland (42%) within 16 km, and trees (92%) 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 Wamena (-4.0958°, 138.9481°, elevation 1,488 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.