Mount Hagen weather in December

In December, Mount Hagen sees average daytime highs of 22°C and overnight lows near 14°C, with 423 mm of rain across 27.7 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 4th-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 0% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Mount Hagen's 9th-clearest and 6th-windiest month. For the whole year in context, see Mount Hagen's year-round climate.

Daytime high
22°
1st warmest
Overnight low
14°
8th coldest
Rainfall
423 mm
27.7 wet days
Daylight
12 h 18 min
6:09 AM – 6:29 PM
Cloud cover
94%
9th clearest
Wind
4 km/h
6th windiest
Solar energy
4.4 kWh/m²
Travel score
3.7
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 December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Mount Hagen reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102314
112314
122214
132214
142214
152214
162214
172214
182214
192214
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214
312214

Mount Hagen weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 4th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 2% of December, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7496
8496
9496
10397
11397
12397
13199
14199
15199
16199
170100
180100
190100
200100
210100
220100
230100
240100
250100
26199
27199
28199
29199
30298
31397

Chance of precipitation in December

Any precipitation

Mount Hagen gets around 423 mm of rain over 27.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
386
486
587
687
788
888
989
1089
1190
1290
1391
1491
1592
1692
1792
1892
1992
2091
2191
2291
2390
2490
2590
2690
2789
2889
2989
3088
3188

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
135938
235839
335839
435839
535740
635641
735641
835542
935443
1025345
1125246
1225048
1324949
1414851
1514752
1614653
1714554
1814455
1914455
2014455
2114356
2214356
2314257
2414257
2514257
2614257
2714356
2814356
2914455
3014554
3114554

Wind in December

Winds average 4 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:03 AM to 6:16 AM, and sunset from 6:22 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:036:22
212.36:046:23
312.36:046:23
412.36:046:24
512.36:056:24
612.36:056:25
712.36:056:25
812.36:066:26
912.36:066:26
1012.36:076:26
1112.36:076:27
1212.36:076:27
1312.36:086:28
1412.36:086:28
1512.36:096:29
1612.36:096:29
1712.36:106:30
1812.36:106:30
1912.36:106:31
2012.36:116:31
2112.36:116:32
2212.36:126:32
2312.36:126:33
2412.36:136:33
2512.36:136:34
2612.36:146:34
2712.36:146:35
2812.36:156:35
2912.36:156:35
3012.36:166:36
3112.36:166:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.4 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 — December's 4.4 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Is December a good time to visit Mount Hagen?

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

3.7
Sightseeing
9th-best month of the year
2.8
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Mount Hagen.

What to pack for Mount Hagen in December

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

In December, Mount Hagen sees daytime highs around 22°C and nights near 14°C. Pack rain gear. Worth having: light clothes. About 28 days see rain.

rain gearlight clothes

UV index in Mount Hagen in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (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
December 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).