Si Mahosot in Winter
In winter (December, January and February), Si Mahosot sees average daytime highs around 32°C and overnight lows near 21°C, with 28 mm of rain over about 6 wet days across the season. It is the 2nd-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 54% of the time across winter, and the air most often feels oppressive.
Winter is Si Mahosot's best season of the year to visit on our travel score. For the whole year in context, see Si Mahosot's year-round climate.
- Avg daytime high
- 32°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 28 mm
- 6 wet days
- Avg wind
- 7 km/h
- Travel score
- 4.9
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Si Mahosot in Winter
Over the season highs climb from about 31°C in early December to 34°C by late February.
A typical winter day in Si Mahosot reaches about 32°C and drops to 21°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Si Mahosot
Once humidity and wind are folded in, winter brings about 74 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Si Mahosot 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 21° | 10 | 2.2 | 11.3 | 5.1 |
| Feb | 33° / 22° | 13 | 3 | 11.5 | 4.2 |
| Mar | 34° / 24° | 41 | 8.5 | 11.9 | 3.1 |
| Apr | 35° / 26° | 70 | 13.3 | 12.3 | 2.3 |
| May | 34° / 26° | 209 | 24 | 12.6 | 2.1 |
| Jun | 32° / 25° | 267 | 26.5 | 12.8 | 2.2 |
| Jul | 32° / 25° | 281 | 27.6 | 12.7 | 2.3 |
| Aug | 32° / 25° | 300 | 28.2 | 12.5 | 2.3 |
| Sep | 31° / 25° | 308 | 27.3 | 12.1 | 2.4 |
| Oct | 32° / 24° | 148 | 18.8 | 11.7 | 3.4 |
| Nov | 32° / 23° | 24 | 4.3 | 11.4 | 4.7 |
| Dec | 31° / 21° | 5 | 1.2 | 11.2 | 5.5 |
Cloud cover in Winter
The sky is clear or mostly clear about 54% of the time across winter.
Chance of precipitation in Winter
Si Mahosot gets around 28 mm of rain over 6 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 7 km/h across winter.
Sunrise & sunset in Winter
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.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.1 kWh/m².
Hazard calendar for Si Mahosot
In winter, Si Mahosot overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Si Mahosot sits in the Pacific typhoon belt; the season peaks July–October.
Si Mahosot's monsoon runs May–October, when most of the year's rain falls.
Is winter a good time to visit Si Mahosot?
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.
winter is a reasonable time to visit Si Mahosot for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Si Mahosot in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Si Mahosot sees daytime highs around 32°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.
UV index in Si Mahosot in Winter
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 Si Mahosot peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 10 | 12 | 12 | 11 | 12 | 13 | 13 | 12 | 11 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Si Mahosot in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Si Mahosot is worst in February — around 60 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (December, 34 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 53 | 60 | 56 | 48 | 40 | 35 | 35 | 36 | 40 | 41 | 36 | 34 |
| Level | Poor | Unhealthy | Unhealthy | Poor | Poor | Moderate | Poor | Poor | Poor | Poor | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 53 | Poor |
| Feb | 60 | Unhealthy |
| Mar | 56 | Unhealthy |
| Apr | 48 | Poor |
| May | 40 | Poor |
| Jun | 35 | Moderate |
| Jul | 35 | Poor |
| Aug | 36 | Poor |
| Sep | 40 | Poor |
| Oct | 41 | Poor |
| Nov | 36 | Poor |
| Dec | 34 | Moderate |
Where is Si Mahosot?
Si Mahosot sits at 13.9°N, 101.4°E, 10 m above sea level, in Thailand. The nearest listed city is Si Maha Phot, 15 km away.
Topography around Si Mahosot
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Si Mahosot.
Within 3 km, the terrain around Si Mahosot has only modest variations in elevation — a maximum elevation change of 27 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,411 m.
The land around Si Mahosot is covered by cropland (53%) and trees (26%) within 3 km, cropland (49%) and trees (23%) within 16 km, and trees (55%) and cropland (30%) within 80 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
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 Si Mahosot (13.8878°, 101.405°, elevation 10 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.