Mount Hagen weather in August

In August, Mount Hagen sees average daytime highs of 22°C and overnight lows near 13°C, with 211 mm of rain across 23.8 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 5% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Mount Hagen's 1st-clearest and 1st-windiest month. For the whole year in context, see Mount Hagen's year-round climate.

Daytime high
22°
11th warmest
Overnight low
13°
5th coldest
Rainfall
211 mm
23.8 wet days
Daylight
11 h 48 min
6:33 AM – 6:21 PM
Cloud cover
78%
1st clearest
Wind
4 km/h
1st windiest
Solar energy
4.48 kWh/m²
Travel score
4.4
out of 10

Mount Hagen is capital town of Western Highlands, Papua New Guinea.

Founded
1934

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical August day in Mount Hagen reaches about 22°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 23°C. Set against its neighbours, August runs on par with July and on par with September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82213
92213
102213
112213
122213
132213
142213
152213
162213
172213
182213
192213
202213
212213
222213
232213
242213
252213
262213
272213
282213
292213
302213
312213

Mount Hagen weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 14°52027.712.33.7
Feb22° / 14°49125.712.23.6
Mar22° / 14°49128.3123.6
Apr22° / 14°37626.311.93.8
May22° / 14°23023.411.74.4
Jun22° / 13°17321.611.74.6
Jul22° / 13°19923.411.74.4
Aug22° / 13°21123.811.84.4
Sep22° / 13°23123.8124.2
Oct22° / 13°28724.812.14.2
Nov22° / 14°31625.312.34.0
Dec22° / 14°42327.712.33.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41882
51882
61882
71882
81981
92080
102080
112179
122179
132179
142179
152179
162179
172080
182080
192080
202080
212080
222080
231981
241981
251981
261981
271882
281882
291783
301882
311783

Chance of precipitation in August

Any precipitation

Mount Hagen gets around 211 mm of rain over 23.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 77% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
276
376
476
576
676
776
876
976
1076
1176
1276
1376
1476
1576
1676
1776
1876
1976
2076
2177
2277
2377
2477
2578
2678
2778
2878
2979
3079
3179

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the comfortable band about 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
178112
278112
388012
488012
597912
698011
798011
8108010
9108010
10108010
1110819
1210819
139829
149838
159838
168848
177858
187858
196868
206868
215878
225878
235869
245869
255869
2658510
2758510
2868410
2968311
3068311
3178112

Wind in August

Winds average 4 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 6:37 AM to 6:27 AM, and sunset from 6:21 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:376:21
211.76:376:21
311.76:376:21
411.86:366:22
511.86:366:22
611.86:366:22
711.86:366:22
811.86:356:22
911.86:356:22
1011.86:356:22
1111.86:356:22
1211.86:346:22
1311.86:346:22
1411.86:346:21
1511.86:336:21
1611.86:336:21
1711.86:336:21
1811.86:326:21
1911.86:326:21
2011.86:316:21
2111.86:316:21
2211.86:316:21
2311.86:306:21
2411.86:306:21
2511.96:296:20
2611.96:296:20
2711.96:296:20
2811.96:286:20
2911.96:286:20
3011.96:276:20
3111.96:276:20

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.48 kWh/m².

For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 4.85 kWh/m² in October across the year — August's 4.48 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Is August a good time to visit Mount Hagen?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.4
Sightseeing
2nd-best month of the year
2.9
Beach & pool
4th-best month of the year

August is a reasonable time to visit Mount Hagen for sightseeing.

What to pack for Mount Hagen in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Mount Hagen sees daytime highs around 22°C and nights near 13°C. Pack rain gear. About 24 days see rain.

rain gear

UV index in Mount Hagen in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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 Mount Hagen peaks around March 12 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 11 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 12UV 17Jun 19UV 11
UV index (midday)Level
Jan17Extreme
Feb17Extreme
Mar18Extreme
Apr16Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep15Extreme
Oct15Extreme
Nov15Extreme
Dec14Extreme
Location & terrain

Where is Mount Hagen?

Mount Hagen sits at 5.9°S, 144.2°E, 1,728 m above sea level, in Papua New Guinea. The nearest listed city is Mendi, 71 km away.

GorokaMadangWewakBuloloLaeDaruMerauke

Topography around Mount Hagen

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mount Hagen.

Within 3 km, the terrain around Mount Hagen has significant variations in elevation — a maximum elevation change of 257 m around an average of 1,727 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,679 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,045 m.

The land around Mount Hagen is covered by trees (57%) and grassland (33%) within 3 km, trees (62%) and grassland (37%) within 16 km, and trees (87%) within 80 km.

3 km
257 m
16 km
1,679 m
80 km
4,045 m
treesgrasslandartificial surfaces
August weather nearby: Mendi 71 km · Goroka 130 km · Madang 186 km · Wewak 265 km · Bulolo 305 km · Lae 320 km · Daru 375 km · Merauke 514 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
Protestant 64%Roman Catholic 26%other Christian 5%non-Christian 1%

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 Mount Hagen (-5.8575°, 144.2306°, elevation 1,728 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).