Det Udom in Winter

In winter (December, January and February), Det Udom sees average daytime highs around 32°C and overnight lows near 20°C, with 19 mm of rain over about 5 wet days across the season. It is the 3rd-warmest season and the driest season of the year.

Over the season highs climb from about 31°C in early December to 34°C by late February. The sky is clear or mostly clear about 59% of the time across winter, and the air most often feels humid.

Winter is Det Udom's best season of the year to visit on our travel score. For the whole year in context, see Det Udom's year-round climate.

Avg daytime high
32°C
3rd-warmest season
Avg overnight low
20°C
Rainfall
19 mm
5 wet days
Avg wind
10 km/h
Travel score
5.3
best season of the year
Months
Dec · Jan · Feb

Temperature in Det Udom in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 31°C in early December to 34°C by late February.

A typical winter day in Det Udom reaches about 32°C and drops to 20°C overnight. The warmest of the three months is February, the coolest January.

15°20°25°30°35°40°DecJanFeb

How winter really feels in Det Udom

Once humidity and wind are folded in, winter brings about 33 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
33
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Det Udom weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 19°41.311.25.5
Feb33° / 21°91.911.54.4
Mar35° / 24°326.211.93.0
Apr35° / 26°7612.212.32.3
May34° / 26°17522.412.72.1
Jun33° / 26°19023.212.92.3
Jul32° / 25°24426.412.82.4
Aug31° / 25°27327.412.52.5
Sep31° / 25°27726.112.12.6
Oct31° / 24°1301611.73.8
Nov31° / 22°354.711.35.1
Dec30° / 20°71.411.15.9

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitation

Det Udom gets around 19 mm of rain over 5 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 10 km/h across winter.

051015DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 11 h 12 min in early December to 11 h 42 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 5.3 kWh/m².

0246DecJanFeb
Planning a trip in winter

Hazard calendar for Det Udom

In seasonPeak

None of Det Udom's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Det Udom'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 winter a good time to visit Det Udom?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.3
Sightseeing
1st-best month of the year
8.1
Beach & pool
1st-best month of the year

winter is a reasonable time to visit Det Udom for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Det Udom in Winter

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

In winter, Det Udom sees daytime highs around 32°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Det Udom in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Det Udom peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 13UV 14Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar10Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Det Udom in Winter

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Det Udom is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 4.2× the cleanest month (December, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateMar 1759 µg/m³Dec 1315 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb42Poor
Mar61Unhealthy
Apr43Poor
May26Moderate
Jun20Moderate
Jul21Moderate
Aug21Moderate
Sep24Moderate
Oct24Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Det Udom?

Det Udom sits at 14.9°N, 105.1°E, 137 m above sea level, in Thailand. The nearest listed city is Warin Chamrap, 39 km away.

Amnat Charoen

Topography around Det Udom

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

Within 3 km, the terrain around Det Udom has only modest variations in elevation — a maximum elevation change of 30 m around an average of 133 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,360 m.

The land around Det Udom is covered by trees (37%) and cropland (37%) within 3 km, cropland (68%) and trees (25%) within 16 km, and cropland (51%) and trees (41%) within 80 km.

3 km
30 m
16 km
50 m
80 km
1,360 m
treesgrasslandcroplandartificial surfaceswater
Winter weather nearby: Warin Chamrap 39 km · Phibun Mangsahan 41 km · Ubon Ratchathani 44 km · Kantharalak 55 km · Pakse 81 km · Si Sa Ket 84 km · Champasak 86 km · Amnat Charoen 116 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

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 Det Udom (14.906°, 105.0784°, elevation 137 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.