Lom Sak in Fall
In fall (September, October and November), Lom Sak sees average daytime highs around 31°C and overnight lows near 22°C, with 243 mm of rain over about 31 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 28% of the time across fall, and the air most often feels oppressive.
Fall is Lom Sak's 2nd-best season to visit on our travel score. For the whole year in context, see Lom Sak's year-round climate.
- Avg daytime high
- 31°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 243 mm
- 31 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.2
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Lom Sak in Fall
Across fall, daytime highs hold fairly steady around 31°C.
A typical fall day in Lom Sak reaches about 31°C and drops to 22°C overnight. The warmest of the three months is November, the coolest November.
How fall really feels in Lom Sak
Once humidity and wind are folded in, fall brings about 86 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Lom Sak weather by month
How the three fall months (September, October and November) 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 | 31° / 18° | 9 | 2.1 | 11.1 | 5.7 |
| Feb | 32° / 19° | 11 | 1.8 | 11.4 | 4.8 |
| Mar | 34° / 21° | 27 | 4.2 | 11.9 | 3.7 |
| Apr | 35° / 24° | 40 | 7.3 | 12.4 | 2.8 |
| May | 34° / 25° | 112 | 16.7 | 12.8 | 2.5 |
| Jun | 33° / 25° | 108 | 16.8 | 13 | 2.8 |
| Jul | 32° / 24° | 136 | 18.7 | 12.9 | 3.1 |
| Aug | 31° / 24° | 169 | 21.8 | 12.6 | 3.1 |
| Sep | 31° / 24° | 158 | 19.4 | 12.1 | 3.3 |
| Oct | 32° / 23° | 69 | 9.6 | 11.6 | 4.2 |
| Nov | 32° / 21° | 17 | 2 | 11.2 | 5.1 |
| Dec | 30° / 18° | 9 | 1.2 | 11 | 6.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 28% of the time across fall.
Chance of precipitation in Fall
Lom Sak gets around 243 mm of rain over 31 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.5 kWh/m².
Hazard calendar for Lom Sak
In fall, Lom Sak overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Lom Sak's rainy season runs May–September, when most of the year's rain falls.
Is fall a good time to visit Lom Sak?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Lom Sak for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Lom Sak in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Lom Sak sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 31 days see rain.
UV index in Lom Sak in Fall
Clear-sky midday UV across fall averages 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 Lom Sak peaks around August 13 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 10 | 12 | 11 | 12 | 13 | 13 | 14 | 12 | 10 | 8 | 8 |
| 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 | 11 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Lom Sak in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Lom Sak is worst in March — around 49 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (June, 19 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) | 31 | 42 | 49 | 40 | 26 | 19 | 19 | 19 | 20 | 22 | 21 | 24 |
| Level | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 31 | Moderate |
| Feb | 42 | Poor |
| Mar | 49 | Poor |
| Apr | 40 | Poor |
| May | 26 | Moderate |
| Jun | 19 | Moderate |
| Jul | 19 | Moderate |
| Aug | 19 | Moderate |
| Sep | 20 | Moderate |
| Oct | 22 | Moderate |
| Nov | 21 | Moderate |
| Dec | 24 | Moderate |
Where is Lom Sak?
Lom Sak sits at 16.8°N, 101.2°E, 147 m above sea level, in Thailand. The nearest listed city is Phetchabun, 41 km away.
Topography around Lom Sak
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lom Sak.
Within 3 km, the terrain around Lom Sak has only modest variations in elevation — a maximum elevation change of 22 m around an average of 146 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 848 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,744 m.
The land around Lom Sak is covered by cropland (53%) and trees (29%) within 3 km, trees (53%) and cropland (38%) within 16 km, and trees (73%) 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 Lom Sak (16.7798°, 101.2422°, elevation 147 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.