Banlung weather in May

In May, Banlung sees average daytime highs of 33°C and overnight lows near 25°C, with 279 mm of rain across 26.5 wet days and about 12.6 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 9% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is Banlung's 8th-clearest and 11th-windiest month. For the whole year in context, see Banlung's year-round climate.

Daytime high
33°
5th warmest
Overnight low
25°
11th coldest
Rainfall
279 mm
26.5 wet days
Daylight
12 h 36 min
5:29 AM – 6:07 PM
Cloud cover
79%
8th clearest
Wind
5 km/h
11th windiest
Solar energy
5.2 kWh/m²
Travel score
2.2
out of 10

Banlung is Capital of the Cambodian province Ratanakiri.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical May day in Banlung reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13526
23526
33426
43425
53425
63425
73425
83425
93425
103325
113325
123325
133325
143325
153325
163325
173325
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Banlung

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
31 feel dangerously hot (≥ 39°C)
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.

Banlung weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 21°40.711.34.0
Feb35° / 23°51.111.53.0
Mar36° / 25°405.911.92.2
Apr35° / 26°10414.112.32.0
May33° / 25°27926.512.62.2
Jun31° / 25°31527.812.82.4
Jul30° / 24°39329.412.72.6
Aug30° / 24°39329.512.52.6
Sep30° / 24°38028.412.12.6
Oct31° / 23°21320.411.73.4
Nov32° / 23°707.911.44.2
Dec32° / 22°182.811.24.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 78%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
33862
43763
53664
63367
73268
83169
92971
102872
112575
122377
132377
142179
152080
161981
171882
181684
191684
201486
211486
221486
231387
241288
251288
261189
271189
281189
291189
301189
311189

Chance of precipitation in May

Any precipitation

Banlung gets around 279 mm of rain over 26.5 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 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
164
266
368
470
572
674
775
877
978
1080
1181
1283
1384
1485
1586
1687
1788
1889
1990
2091
2192
2292
2393
2493
2593
2693
2793
2893
2993
3093
3193

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12133352
22113255
32103157
4283060
5172963
6162865
7152668
8142570
9132472
10132274
11022177
12021979
13021880
14021781
15011584
16011485
17011386
18011287
19011188
20011089
2101990
2201891
2300793
2400793
2500793
2600694
2700694
2800694
2900694
3000694
3100694

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
224calm
234calm
244calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:35 AM to 5:27 AM, and sunset from 6:04 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:356:04
212.55:346:04
312.55:346:04
412.55:336:04
512.55:336:05
612.55:336:05
712.55:326:05
812.65:326:05
912.65:316:05
1012.65:316:06
1112.65:316:06
1212.65:306:06
1312.65:306:07
1412.65:306:07
1512.65:306:07
1612.65:296:07
1712.65:296:08
1812.75:296:08
1912.75:296:08
2012.75:286:08
2112.75:286:09
2212.75:286:09
2312.75:286:09
2412.75:286:10
2512.75:286:10
2612.75:276:10
2712.75:276:11
2812.75:276:11
2912.75:276:11
3012.75:276:11
3112.75:276:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.2 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 6.09 kWh/m² in March across the year — May's 5.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Banlung

In seasonPeak

In May, Banlung sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Banlung's monsoon runs May–October, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Banlung?

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

2.2
Sightseeing
10th-best month of the year
3.8
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Banlung.

What to pack for Banlung in May

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

In May, Banlung sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Banlung 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 Banlung peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 14UV 13Dec 11UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Banlung 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 Banlung is worst in March — around 46 µg/m³ PM2.5 (poor), about 4.8× the cleanest month (November, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodMar 1844 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb27Moderate
Mar46Poor
Apr34Moderate
May17Moderate
Jun13Moderate
Jul14Moderate
Aug12Moderate
Sep12Moderate
Oct13Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Banlung?

Banlung sits at 13.7°N, 107.0°E, 316 m above sea level, in Cambodia. The nearest listed city is Lumphat, 28 km away.

Stung TrengEa T’ling

Topography around Banlung

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

Within 3 km, the terrain around Banlung has only modest variations in elevation — a maximum elevation change of 150 m around an average of 302 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 423 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,433 m.

The land around Banlung is covered by trees (61%) within 3 km, trees (78%) within 16 km, and trees (79%) within 80 km.

3 km
150 m
16 km
423 m
80 km
1,433 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Lumphat 28 km · Pleiku 113 km · Stung Treng 113 km · Kon Tum 130 km · Ea Drăng 145 km · Quảng Phú 156 km · A Yun Pa 161 km · Ea T’ling 161 km

Cambodia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / C / G
230 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$2,872
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
1.8
per 100k, 2011
Road deaths
19.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 390
Religion
Buddhist 97%Muslim 2%other 1%Christian 0%

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 Banlung (13.7394°, 106.9873°, elevation 316 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. 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).