Muntok weather in May

In May, Muntok sees average daytime highs of 29°C and overnight lows near 26°C, with 204 mm of rain across 26 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 12% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Muntok's 5th-clearest and 9th-windiest month. For the whole year in context, see Muntok's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
204 mm
26 wet days
Daylight
11 h 54 min
5:58 AM – 5:53 PM
Cloud cover
75%
5th clearest
Wind
11 km/h
9th windiest
Solar energy
4.83 kWh/m²
Travel score
3.5
out of 10

Muntok is capital of the West Bangka Regency.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Muntok reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, May runs on par with April and on par with June.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152927
162927
172927
182927
192927
202927
212927
222927
232927
242927
252927
262926
272926
282926
292926
302926
312926

How May really feels in Muntok

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Muntok weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°29627.112.13.7
Feb28° / 26°22121.512.14.2
Mar28° / 26°24326.6123.6
Apr29° / 26°24328.2123.1
May29° / 26°2042611.93.5
Jun29° / 26°15620.111.94.1
Jul29° / 26°13917.911.94.6
Aug29° / 26°9513.811.94.9
Sep29° / 26°10213.9124.7
Oct29° / 26°17921124.1
Nov28° / 26°29927.612.13.4
Dec28° / 26°39929.612.13.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
42080
52080
61981
72080
82080
92080
102278
112377
122377
132476
142575
152575
162674
172773
182773
192971
202971
212971
222971
232971
243070
253070
262971
272971
282971
292971
302971
312971

Chance of precipitation in May

Any precipitation

Muntok gets around 204 mm of rain over 26 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 84% and peaks near 92% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
291
391
491
590
690
789
889
988
1087
1186
1285
1384
1483
1582
1682
1781
1881
1980
2080
2180
2280
2379
2479
2579
2679
2780
2880
2980
3079
3179

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11189
21189
31189
41189
51189
61189
71189
81189
91189
101189
111288
121288
131288
141288
151288
161288
171288
181288
191288
201288
211288
221288
231387
241387
251486
261486
271585
281585
291684
301684
311783

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 0 minutes over May. Sunrise moves from 5:59 AM to 6:00 AM, and sunset from 5:54 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:595:54
211.95:595:54
311.95:595:54
411.95:585:54
511.95:585:54
611.95:585:54
711.95:585:53
811.95:585:53
911.95:585:53
1011.95:585:53
1111.95:585:53
1211.95:585:53
1311.95:585:53
1411.95:585:53
1511.95:585:53
1611.95:585:53
1711.95:585:53
1811.95:595:53
1911.95:595:53
2011.95:595:53
2111.95:595:53
2211.95:595:53
2311.95:595:53
2411.95:595:53
2511.95:595:53
2611.95:595:53
2711.95:595:53
2811.96:005:53
2911.96:005:53
3011.96:005:53
3111.96:005:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 5.58 kWh/m² in September across the year — May's 4.83 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Is May a good time to visit Muntok?

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

3.5
Sightseeing
9th-best month of the year
4.4
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Muntok.

What to pack for Muntok in May

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

In May, Muntok sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Muntok in May

The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 30°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Muntok in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Muntok peaks around February 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 15Jul 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec12Extreme

Air quality in Muntok in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Muntok is worst in October — around 86 µg/m³ PM2.5 (unhealthy), about 6.3× the cleanest month (January, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateOct 1483 µg/m³Jan 2214 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr18Moderate
May18Moderate
Jun18Moderate
Jul20Moderate
Aug26Moderate
Sep66Unhealthy
Oct86Unhealthy
Nov41Poor
Dec14Moderate
Location & terrain

Where is Muntok?

Muntok sits at 2.1°S, 105.2°E, 8 m above sea level, in Indonesia. The nearest listed city is Palembang, 105 km away.

Topography around Muntok

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

Within 3 km, the terrain around Muntok has only modest variations in elevation — a maximum elevation change of 56 m around an average of 17 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 448 m; within 80 km, large variations in elevation — a maximum elevation change of 658 m.

The land around Muntok is covered by trees (37%) and water (36%) within 3 km, water (64%) and trees (27%) within 16 km, and water (49%) and trees (28%) within 80 km.

3 km
56 m
16 km
448 m
80 km
658 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Palembang 105 km · Pangkalpinang 106 km · Sungailiat 109 km · Indralaya 142 km · Simpang 148 km · Jambi City 179 km · Prabumulih 184 km · Mendaha 210 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 Muntok (-2.0672°, 105.1623°, elevation 8 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).