Kampong Thom weather in May

In May, Kampong Thom sees average daytime highs of 35°C and overnight lows near 26°C, with 169 mm of rain across 22.7 wet days and about 12.6 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 7% 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 42 min by month's end. Set against the rest of the year, May is Kampong Thom's 8th-clearest and 10th-windiest month. For the whole year in context, see Kampong Thom's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
26°
11th coldest
Rainfall
169 mm
22.7 wet days
Daylight
12 h 36 min
5:39 AM – 6:14 PM
Cloud cover
80%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
5.57 kWh/m²
Travel score
1.8
out of 10

Kampong Thom is Capital of the same named Cambodian province.

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 35°C through the month.

A typical May day in Kampong Thom reaches about 35°C in the afternoon and slips back to 26°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.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13527
23527
33527
43527
53527
63527
73527
83527
93527
103527
113526
123526
133526
143526
153526
163526
173426
183426
193426
203426
213426
223426
233426
243426
253426
263426
273426
283426
293426
303426
313426

How May really feels in Kampong Thom

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.

Kampong Thom 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° / 22°91.411.34.4
Feb34° / 24°122.211.63.4
Mar36° / 26°487.311.92.3
Apr36° / 27°9615.612.31.9
May35° / 26°16922.712.61.8
Jun33° / 26°1852312.72.1
Jul33° / 26°20125.212.72.2
Aug32° / 25°22026.812.42.2
Sep32° / 25°28626.812.12.4
Oct31° / 24°18621.811.73.0
Nov32° / 24°678.911.44.2
Dec32° / 22°202.811.34.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% 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 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23466
33367
43367
53070
62971
72971
82773
92575
102476
112278
122179
132080
141981
151882
161783
171684
181585
191486
201486
211486
221387
231387
241387
251387
261387
271288
281288
291189
301189
311189

Chance of precipitation in May

Any precipitation

Kampong Thom gets around 169 mm of rain over 22.7 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 74% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
163
264
365
466
567
667
768
869
970
1071
1172
1273
1374
1474
1575
1676
1777
1877
1978
2078
2178
2278
2378
2478
2578
2679
2779
2879
2980
3080
3180

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
132770
222573
322474
422276
522177
621979
721880
811782
911683
1011584
1111485
1211485
1311386
1411287
1511188
1611188
1711089
180991
190892
200892
210793
220793
230694
240694
250595
260595
270496
280496
290496
300397
310397

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 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 18 minutes over May. Sunrise moves from 5:44 AM to 5:37 AM, and sunset from 6:11 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:446:11
212.55:446:11
312.55:436:11
412.55:436:12
512.55:436:12
612.55:426:12
712.55:426:12
812.55:416:12
912.55:416:13
1012.55:416:13
1112.55:416:13
1212.65:406:13
1312.65:406:13
1412.65:406:14
1512.65:396:14
1612.65:396:14
1712.65:396:14
1812.65:396:15
1912.65:396:15
2012.65:386:15
2112.65:386:16
2212.65:386:16
2312.65:386:16
2412.65:386:16
2512.75:386:17
2612.75:386:17
2712.75:376:17
2812.75:376:18
2912.75:376:18
3012.75:376:18
3112.75:376:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.57 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.07 kWh/m² in March across the year — May's 5.57 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Kampong Thom

In seasonPeak

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

Kampong Thom's rainy season runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Kampong Thom?

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

1.8
Sightseeing
12th-best month of the year
3.8
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Kampong Thom.

What to pack for Kampong Thom in May

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

In May, Kampong Thom sees daytime highs around 35°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Kampong Thom in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kampong Thom peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highAug 16UV 14Nov 21UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar11Extreme
Apr11Extreme
May10Very high
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Kampong Thom 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 Kampong Thom is worst in March — around 69 µg/m³ PM2.5 (unhealthy), about 6.4× the cleanest month (November, 11 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateGoodMar 1267 µg/m³Nov 1911 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb62Unhealthy
Mar69Unhealthy
Apr42Poor
May20Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep14Moderate
Oct14Moderate
Nov11Good
Dec12Moderate
Location & terrain

Where is Kampong Thom?

Kampong Thom sits at 12.7°N, 104.9°E, 16 m above sea level, in Cambodia. The nearest listed city is Phumĭ Tnaôt, 43 km away.

Phumĭ TnaôtKampong ChhnangPhumĭ Âmpĭl LeuKampong ChamPursatPhumĭ Véal TônsayChrang Chamreh MuoySuong

Topography around Kampong Thom

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

Within 3 km, the terrain around Kampong Thom has only modest variations in elevation — a maximum elevation change of 14 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 198 m; within 80 km, significant variations in elevation — a maximum elevation change of 455 m.

The land around Kampong Thom is covered by cropland (54%) within 3 km, cropland (72%) within 16 km, and cropland (37%) and trees (32%) within 80 km.

3 km
14 m
16 km
198 m
80 km
455 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Phumĭ Tnaôt 43 km · Kampong Chhnang 57 km · Phumĭ Âmpĭl Leu 98 km · Kampong Cham 101 km · Pursat 107 km · Phumĭ Véal Tônsay 118 km · Chrang Chamreh Muoy 120 km · Suong 122 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 Kampong Thom (12.7111°, 104.8887°, elevation 16 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).