Thap Than in Winter

In winter (December, January and February), Thap Than sees average daytime highs around 33°C and overnight lows near 21°C, with 33 mm of rain over about 6 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 32°C in early December to 36°C by late February. The sky is clear or mostly clear about 60% of the time across winter, and the air most often feels muggy.

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

Avg daytime high
33°C
3rd-warmest season
Avg overnight low
21°C
Rainfall
33 mm
6 wet days
Avg wind
7 km/h
Travel score
4.4
best season of the year
Months
Dec · Jan · Feb

Temperature in Thap Than in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 32°C in early December to 36°C by late February.

A typical winter day in Thap Than reaches about 33°C and drops to 21°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 Thap Than

Once humidity and wind are folded in, winter brings about 81 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
81
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.

Thap Than 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
Jan33° / 21°112.111.24.7
Feb35° / 22°122.111.53.2
Mar37° / 25°406.811.91.8
Apr38° / 27°7212.412.31.1
May36° / 27°15821.912.71.3
Jun35° / 27°13823.712.91.5
Jul35° / 27°14923.112.81.7
Aug34° / 26°19525.112.51.9
Sep33° / 26°26925.912.12.0
Oct32° / 25°17918.811.63.0
Nov32° / 23°315.311.34.4
Dec31° / 21°101.611.15.3

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitation

Thap Than gets around 33 mm of rain over 6 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 muggy — 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 7 km/h across winter.

0246810DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 11 h 06 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 5.1 kWh/m².

0246DecJanFeb
Planning a trip in winter

Hazard calendar for Thap Than

In seasonPeak

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

Thap Than'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 Thap Than?

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.

4.4
Sightseeing
1st-best month of the year
7.6
Beach & pool
1st-best month of the year

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

What to pack for Thap Than in Winter

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

In winter, Thap Than sees daytime highs around 33°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Thap Than 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 Thap Than peaks around August 15 at about 13 (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 15UV 13Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr10Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec8Very high

Air quality in Thap Than 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 Thap Than is worst in March — around 59 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (June, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 1657 µg/m³Jun 2118 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb47Poor
Mar59Unhealthy
Apr44Poor
May27Moderate
Jun18Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct29Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Thap Than?

Thap Than sits at 15.5°N, 99.9°E, 45 m above sea level, in Thailand. The nearest listed city is Uthai Thani, 17 km away.

Topography around Thap Than

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

Within 3 km, the terrain around Thap Than has only modest variations in elevation — a maximum elevation change of 20 m around an average of 41 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 644 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.

The land around Thap Than is covered by cropland (68%) within 3 km, cropland (73%) within 16 km, and cropland (73%) and trees (24%) within 80 km.

3 km
20 m
16 km
644 m
80 km
1,533 m
treesgrasslandcroplandartificial surfaceswater
Winter weather nearby: Uthai Thani 17 km · Lat Yao 34 km · Nakhon Sawan 38 km · Chai Nat 39 km · Khanu Woralaksaburi 67 km · Bang Racham 78 km · Bang Mun Nak 82 km · Sing Buri 84 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 Thap Than (15.4606°, 99.8917°, elevation 45 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.