Wamena weather in May

In May, Wamena sees average daytime highs of 20°C and overnight lows near 12°C, with 233 mm of rain across 27.1 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 0% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Wamena's 5th-clearest and 1st-windiest month. For the whole year in context, see Wamena's year-round climate.

Daytime high
20°
8th warmest
Overnight low
12°
6th coldest
Rainfall
233 mm
27.1 wet days
Daylight
11 h 48 min
5:46 AM – 5:35 PM
Cloud cover
89%
5th clearest
Wind
3 km/h
1st windiest
Solar energy
4.07 kWh/m²
Travel score
3.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical May day in Wamena reaches about 20°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52112
62112
72012
82012
92012
102012
112012
122012
132012
142012
152012
162012
172012
182012
192012
202012
212012
222012
232012
242012
252012
262012
272012
282012
292012
302011
312011

Wamena weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 12°40428.912.23.4
Feb21° / 12°40727.312.13.2
Mar21° / 12°42730.3123.2
Apr21° / 12°35928.511.93.3
May20° / 12°23327.111.83.7
Jun20° / 11°21325.411.83.8
Jul19° / 11°23225.911.83.8
Aug20° / 11°25827.811.93.6
Sep20° / 11°27527.7123.5
Oct20° / 12°26128.212.13.5
Nov21° / 12°25927.612.23.5
Dec21° / 12°35929.212.23.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 4% of May, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2397
3397
4397
5397
6397
7397
8397
9397
10397
11397
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23595
24595
25595
26595
27595
28694
29694
30694
31793

Chance of precipitation in May

Any precipitation

Wamena gets around 233 mm of rain over 27.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 87% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
390
490
590
689
789
888
988
1088
1188
1287
1387
1487
1587
1687
1787
1887
1986
2086
2186
2286
2386
2486
2586
2686
2785
2885
2985
3084
3184

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110900
210891
311881
412880
512880
613870
714860
815850
916840
1017830
1118820
1219810
1320800
1421790
1522780
1623770
1724760
1825750
1925750
2026740
2127730
2227730
2328720
2429710
2529710
2630700
2731690
2832680
2932680
3033670
3133670

Wind in May

Winds average 3 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:46 AM to 5:48 AM, and sunset from 5:37 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:465:37
211.95:465:37
311.95:465:37
411.85:465:37
511.85:465:36
611.85:465:36
711.85:465:36
811.85:465:36
911.85:465:36
1011.85:465:35
1111.85:465:35
1211.85:465:35
1311.85:465:35
1411.85:465:35
1511.85:465:35
1611.85:465:35
1711.85:465:35
1811.85:465:35
1911.85:465:35
2011.85:465:35
2111.85:475:35
2211.85:475:35
2311.85:475:35
2411.85:475:35
2511.85:475:35
2611.85:475:35
2711.85:475:35
2811.85:485:35
2911.85:485:35
3011.85:485:35
3111.85:485:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.07 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 4.64 kWh/m² in October across the year — May's 4.07 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Moderate
84.0Moderate
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Is May a good time to visit Wamena?

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

3.7
Sightseeing
3rd-best month of the year
2.1
Beach & pool
2nd-best month of the year

May is a weaker month for outdoor sightseeing in Wamena.

What to pack for Wamena in May

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

In May, Wamena sees daytime highs around 20°C and nights near 12°C. Pack rain gear. About 27 days see rain.

rain gear

UV index in Wamena in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 19Jun 22UV 13
UV index (midday)Level
Jan17Extreme
Feb18Extreme
Mar19Extreme
Apr17Extreme
May14Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep16Extreme
Oct16Extreme
Nov15Extreme
Dec15Extreme
Location & terrain

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.

Nabire

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.

3 km
243 m
16 km
2,670 m
80 km
4,664 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetland
May weather nearby: Tiom 58 km · Mulia 115 km · Agats 185 km · Sentani 243 km · Abepura 251 km · Timika 258 km · Jayapura 262 km · Nabire 391 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
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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. 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).