Tiom weather in May

In May, Tiom sees average daytime highs of 18°C and overnight lows near 8°C, with 303 mm of rain across 26.9 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 1% of the time in May, and the air most often feels dry.

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 Tiom's 5th-clearest and 9th-windiest month. For the whole year in context, see Tiom's year-round climate.

Daytime high
18°
7th warmest
Overnight low
9th coldest
Rainfall
303 mm
26.9 wet days
Daylight
11 h 48 min
5:48 AM – 5:37 PM
Cloud cover
91%
5th clearest
Wind
3 km/h
9th windiest
Solar energy
3.97 kWh/m²
Travel score
3.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical May day in Tiom reaches about 18°C in the afternoon and slips back to 8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 19°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1189
2189
3189
4189
5189
6189
7189
8189
9189
10189
11189
12189
13189
14189
15188
16188
17188
18188
19188
20188
21188
22178
23178
24178
25178
26178
27178
28178
29178
30178
31178

Tiom weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 4222912.23.1
Feb18° / 45427.112.13.0
Mar18° / 47330.2123.0
Apr18° / 42428.711.93.0
May18° / 30326.911.83.3
Jun17° / 23123.311.83.5
Jul16° / 22024.111.83.3
Aug17° / 22925.211.93.3
Sep17° / 27626.5123.1
Oct18° / 31927.912.13.2
Nov18° / 3392812.23.1
Dec18° / 41329.712.23.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 2% of May, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6298
7298
8298
9298
10298
11397
12397
13298
14298
15397
16397
17397
18397
19397
20397
21397
22397
23397
24496
25496
26496
27496
28496
29595
30595
31595

Chance of precipitation in May

Any precipitation

Tiom gets around 303 mm of rain over 26.9 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 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
292
392
491
590
690
789
889
989
1088
1188
1288
1387
1487
1587
1686
1786
1886
1986
2085
2185
2285
2384
2484
2584
2683
2783
2882
2982
3081
3181

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 3 km/h in May.

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 5:47 AM to 5:50 AM, and sunset from 5:39 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:475:39
211.95:475:39
311.95:475:39
411.95:475:39
511.95:475:38
611.85:475:38
711.85:475:38
811.85:475:38
911.85:475:38
1011.85:475:38
1111.85:475:38
1211.85:475:37
1311.85:485:37
1411.85:485:37
1511.85:485:37
1611.85:485:37
1711.85:485:37
1811.85:485:37
1911.85:485:37
2011.85:485:37
2111.85:485:37
2211.85:485:37
2311.85:495:37
2411.85:495:37
2511.85:495:37
2611.85:495:37
2711.85:495:37
2811.85:495:37
2911.85:495:37
3011.85:505:37
3111.85:505:37

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.97 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 4.51 kWh/m² in October across the year — May's 3.97 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Moderate
134.0Moderate
144.0Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Bright
204.0Bright
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Moderate
294.0Moderate
304.0Moderate
314.0Moderate
Planning a trip in May

Is May a good time to visit Tiom?

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

3.3
Sightseeing
2nd-best month of the year
Beach & pool
never really warm enough

May is a weaker month for outdoor sightseeing in Tiom.

What to pack for Tiom in May

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

In May, Tiom sees daytime highs around 18°C and nights near 8°C. Pack rain gear. About 27 days see rain.

rain gear

UV index in Tiom in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tiom peaks around March 11 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 13 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 19Jun 21UV 13
UV index (midday)Level
Jan18Extreme
Feb19Extreme
Mar19Extreme
Apr17Extreme
May15Extreme
Jun13Extreme
Jul13Extreme
Aug15Extreme
Sep16Extreme
Oct16Extreme
Nov16Extreme
Dec16Extreme
Location & terrain

Where is Tiom?

Tiom sits at 3.9°S, 138.5°E, 2,116 m above sea level, in Indonesia. The nearest listed city is Mulia, 57 km away.

JayapuraNabire

Topography around Tiom

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

Within 3 km, the terrain around Tiom has large variations in elevation — a maximum elevation change of 666 m around an average of 2,189 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,009 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,632 m.

The land around Tiom is covered by trees (59%) and grassland (39%) within 3 km, trees (86%) within 16 km, and trees (92%) within 80 km.

3 km
666 m
16 km
2,009 m
80 km
4,632 m
treesgrasslandartificial surfaceswetland
May weather nearby: Mulia 57 km · Wamena 58 km · Agats 184 km · Timika 212 km · Sentani 274 km · Abepura 283 km · Jayapura 295 km · Nabire 334 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 Tiom (-3.9236°, 138.4547°, elevation 2,116 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).