Wewak in Winter
In winter (June, July and August), Wewak sees average daytime highs around 27°C and overnight lows near 25°C, with 817 mm of rain over about 77 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 17% of the time across winter, and the air most often feels oppressive.
Winter is Wewak's 2nd-best season to visit on our travel score. Wewak 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 Wewak's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 817 mm
- 77 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.0
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Wewak in Winter
Across winter, daytime highs hold fairly steady around 27°C.
A typical winter day in Wewak reaches about 27°C and drops to 25°C overnight. The warmest of the three months is June, the coolest July.
How winter really feels in Wewak
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Wewak 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° / 26° | 143 | 22.1 | 12.2 | 4.3 |
| Feb | 28° / 26° | 156 | 20.7 | 12.1 | 4.2 |
| Mar | 28° / 26° | 184 | 24.1 | 12 | 4.1 |
| Apr | 28° / 26° | 215 | 25.8 | 11.9 | 3.8 |
| May | 28° / 26° | 265 | 27.9 | 11.8 | 3.7 |
| Jun | 28° / 25° | 284 | 26.9 | 11.8 | 3.7 |
| Jul | 27° / 25° | 300 | 26.4 | 11.8 | 4.0 |
| Aug | 27° / 25° | 233 | 24.1 | 11.9 | 4.3 |
| Sep | 27° / 25° | 249 | 24.2 | 12 | 4.2 |
| Oct | 28° / 25° | 224 | 25.8 | 12.1 | 4.0 |
| Nov | 28° / 26° | 214 | 25.9 | 12.2 | 3.8 |
| Dec | 28° / 26° | 184 | 25.3 | 12.2 | 3.9 |
Cloud cover in Winter
The sky is clear or mostly clear about 17% of the time across winter.
Chance of precipitation in Winter
Wewak gets around 817 mm of rain over 77 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 11 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 4.3 kWh/m².
Is winter a good time to visit Wewak?
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 Wewak for sightseeing.
What to pack for Wewak in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Wewak sees daytime highs around 27°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 77 days see rain.
Sea temperature near Wewak 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 19 km away) is warmest in May at about 30°C and coldest in August 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 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 30 | 29 |
| 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 | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 30 | Tropical |
| Dec | 29 | Tropical |
UV index in Wewak in Winter
Clear-sky midday UV across winter averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Wewak peaks around March 16 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 | 15 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 14 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Air quality in Wewak in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Wewak is worst in August — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 8 | 8 | 9 | 10 | 11 | 15 | 19 | 18 | 15 | 8 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 8 | Good |
| Mar | 8 | Good |
| Apr | 9 | Good |
| May | 10 | Good |
| Jun | 11 | Good |
| Jul | 15 | Moderate |
| Aug | 19 | Moderate |
| Sep | 18 | Moderate |
| Oct | 15 | Moderate |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Wewak?
Wewak sits at 3.5°S, 143.6°E, 44 m above sea level, in Papua New Guinea. The nearest listed city is Mount Hagen, 265 km away.
Topography around Wewak
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Wewak.
Within 3 km, the terrain around Wewak has only modest variations in elevation — a maximum elevation change of 51 m around an average of 2 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 549 m; within 80 km, large variations in elevation — a maximum elevation change of 1,191 m.
The land around Wewak is covered by water (77%) within 3 km, trees (51%) and water (46%) within 16 km, and water (48%) and trees (36%) within 80 km.
Papua New Guinea travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type I
- 240 V · 50 Hz
- Prices
- ≈ 58% of US
- price level, 2025
- GDP per capita
- $3,020
- 2025
- Homicide rate
- 9.3
- per 100k, 2010
- Road deaths
- 12.6
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- 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 Wewak (-3.5496°, 143.6323°, elevation 44 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.