Phumĭ Âmpĭl Leu weather in May

In May, Phumĭ Âmpĭl Leu sees average daytime highs of 35°C and overnight lows near 27°C, with 164 mm of rain across 21.8 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 8% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 36 min by month's end. Set against the rest of the year, May is Phumĭ Âmpĭl Leu's 8th-clearest and 10th-windiest month. For the whole year in context, see Phumĭ Âmpĭl Leu's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
27°
11th coldest
Rainfall
164 mm
21.8 wet days
Daylight
12 h 36 min
5:38 AM – 6:11 PM
Cloud cover
79%
8th clearest
Wind
7 km/h
10th windiest
Solar energy
5.64 kWh/m²
Travel score
1.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical May day in Phumĭ Âmpĭl Leu reaches about 35°C in the afternoon and slips back to 27°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13527
23527
33527
43527
53527
63527
73527
83527
93527
103527
113527
123527
133527
143527
153527
163427
173427
183427
193427
203427
213427
223427
233427
243427
253427
263427
273427
283427
293427
303427
313426

How May really feels in Phumĭ Âmpĭl Leu

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.

Phumĭ Âmpĭl Leu weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°10211.44.3
Feb34° / 24°81.811.63.5
Mar35° / 26°416.411.92.6
Apr36° / 27°8514.212.32.0
May35° / 27°16421.812.51.9
Jun33° / 26°1762412.72.1
Jul33° / 26°18926.412.62.2
Aug32° / 26°2152712.42.2
Sep32° / 25°26226.812.12.3
Oct32° / 25°20522.611.72.9
Nov32° / 24°719.511.44.2
Dec32° / 23°213.911.34.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23664
33466
43367
53169
63070
72971
82773
92674
102575
112278
122179
131981
141981
151783
161684
171585
181486
191486
201288
211288
221288
231288
241189
251189
261090
271090
281090
291189
301189
311189

Chance of precipitation in May

Any precipitation

Phumĭ Âmpĭl Leu gets around 164 mm of rain over 21.8 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 71% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
258
359
460
561
662
763
864
965
1066
1167
1269
1370
1471
1572
1673
1774
1875
1976
2076
2177
2277
2377
2477
2577
2677
2777
2878
2978
3078
3178

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 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
143264
243066
342967
432770
532572
632374
722276
822078
921979
1011881
1111782
1211683
1311584
1411386
1501288
1601189
1701090
180991
190991
200892
210793
220793
230793
240793
250793
260694
270694
280694
290694
300694
310694

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 36 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 5:43 AM to 5:36 AM, and sunset from 6:08 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:436:08
212.45:426:08
312.45:426:08
412.45:426:09
512.55:416:09
612.55:416:09
712.55:416:09
812.55:406:09
912.55:406:09
1012.55:406:10
1112.55:396:10
1212.55:396:10
1312.55:396:10
1412.55:386:11
1512.55:386:11
1612.65:386:11
1712.65:386:11
1812.65:386:12
1912.65:376:12
2012.65:376:12
2112.65:376:12
2212.65:376:13
2312.65:376:13
2412.65:376:13
2512.65:376:13
2612.65:366:14
2712.65:366:14
2812.65:366:14
2912.65:366:15
3012.65:366:15
3112.65:366:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.64 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 6.19 kWh/m² in March across the year — May's 5.64 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Phumĭ Âmpĭl Leu

In seasonPeak

In May, Phumĭ Âmpĭl Leu sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Phumĭ Âmpĭl Leu sits in the Pacific typhoon belt; the season peaks July–October.

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

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

Is May a good time to visit Phumĭ Âmpĭl Leu?

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

1.9
Sightseeing
12th-best month of the year
4.0
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Phumĭ Âmpĭl Leu.

What to pack for Phumĭ Âmpĭl Leu in May

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

In May, Phumĭ Âmpĭl Leu sees daytime highs around 35°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Phumĭ Âmpĭl Leu in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phumĭ Âmpĭl Leu peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 13Nov 20UV 8
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct10Extreme
Nov8Very high
Dec9Very high

Air quality in Phumĭ Âmpĭl Leu 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 Phumĭ Âmpĭl Leu is worst in February — around 45 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (November, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1844 µg/m³Nov 1617 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb45Poor
Mar42Poor
Apr33Moderate
May24Moderate
Jun20Moderate
Jul19Moderate
Aug18Moderate
Sep20Moderate
Oct20Moderate
Nov17Moderate
Dec20Moderate
Location & terrain

Where is Phumĭ Âmpĭl Leu?

Phumĭ Âmpĭl Leu sits at 12.0°N, 105.4°E, 34 m above sea level, in Cambodia. The nearest listed city is Kampong Cham, 4.0 km away.

Prey VengChrang Chamreh MuoyPhnom PenhPreaek PrasabDarBoeng Kak Pir

Topography around Phumĭ Âmpĭl Leu

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

Within 3 km, the terrain around Phumĭ Âmpĭl Leu has only modest variations in elevation — a maximum elevation change of 83 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 90 m; within 80 km, significant variations in elevation — a maximum elevation change of 265 m.

The land around Phumĭ Âmpĭl Leu is covered by cropland (42%) and trees (28%) within 3 km, cropland (49%) and trees (26%) within 16 km, and cropland (50%) and trees (31%) within 80 km.

3 km
83 m
16 km
90 m
80 km
265 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Kampong Cham 4.0 km · Suong 27 km · Prey Veng 59 km · Chrang Chamreh Muoy 73 km · Phnom Penh 75 km · Preaek Prasab 76 km · Dar 76 km · Boeng Kak Pir 77 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 Phumĭ Âmpĭl Leu (12.0092°, 105.4341°, elevation 34 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).