Nakhon Ratchasima in Summer
In summer (June, July and August), Nakhon Ratchasima sees average daytime highs around 33°C and overnight lows near 26°C, with 405 mm of rain over about 63 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 33°C. The sky is clear or mostly clear about 2% of the time across summer, and the air most often feels oppressive.
Summer is Nakhon Ratchasima's 3rd-best season to visit on our travel score. For the whole year in context, see Nakhon Ratchasima's year-round climate.
- Avg daytime high
- 33°C
- 2nd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 405 mm
- 63 wet days
- Avg wind
- 10 km/h
- Travel score
- 2.3
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Nakhon Ratchasima in Summer
Across summer, daytime highs hold fairly steady around 33°C.
A typical summer day in Nakhon Ratchasima reaches about 33°C and drops to 26°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Nakhon Ratchasima
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nakhon Ratchasima weather by month
How the three summer months (June, July and August) 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° / 19° | 7 | 1.7 | 11.2 | 5.7 |
| Feb | 33° / 21° | 9 | 1.7 | 11.5 | 4.3 |
| Mar | 35° / 24° | 38 | 6.7 | 11.9 | 2.7 |
| Apr | 36° / 25° | 69 | 12.6 | 12.3 | 2.0 |
| May | 35° / 26° | 140 | 20.1 | 12.7 | 2.0 |
| Jun | 34° / 26° | 119 | 19.4 | 12.9 | 2.1 |
| Jul | 33° / 26° | 126 | 21.1 | 12.8 | 2.3 |
| Aug | 33° / 25° | 161 | 22.8 | 12.5 | 2.4 |
| Sep | 32° / 25° | 231 | 24.5 | 12.1 | 2.5 |
| Oct | 31° / 24° | 138 | 16.4 | 11.7 | 3.7 |
| Nov | 31° / 22° | 29 | 4.8 | 11.3 | 5.1 |
| Dec | 30° / 19° | 5 | 1.3 | 11.1 | 6.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 2% of the time across summer.
Chance of precipitation in Summer
Nakhon Ratchasima gets around 405 mm of rain over 63 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 48 min in early June to 12 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.9 kWh/m².
Hazard calendar for Nakhon Ratchasima
In summer, Nakhon Ratchasima overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Nakhon Ratchasima's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Nakhon Ratchasima?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Nakhon Ratchasima.
What to pack for Nakhon Ratchasima in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nakhon Ratchasima sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 63 days see rain.
UV index in Nakhon Ratchasima in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nakhon Ratchasima peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 | 11 | 13 | 11 | 10 | 13 | 13 | 14 | 12 | 11 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 11 | Extreme |
| May | 10 | Very high |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Nakhon Ratchasima in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Nakhon Ratchasima is worst in March — around 37 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (June, 18 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Nakhon Ratchasima's WHO annual average of 24 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 27 | 34 | 37 | 30 | 23 | 18 | 18 | 19 | 21 | 23 | 20 | 19 |
| Level | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 27 | Moderate |
| Feb | 34 | Moderate |
| Mar | 37 | Poor |
| Apr | 30 | Moderate |
| May | 23 | Moderate |
| Jun | 18 | Moderate |
| Jul | 18 | Moderate |
| Aug | 19 | Moderate |
| Sep | 21 | Moderate |
| Oct | 23 | Moderate |
| Nov | 20 | Moderate |
| Dec | 19 | Moderate |
Where is Nakhon Ratchasima?
Nakhon Ratchasima sits at 15.0°N, 102.1°E, 187 m above sea level, in Thailand. The nearest listed city is Chok Chai, 28 km away.
Topography around Nakhon Ratchasima
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nakhon Ratchasima.
Within 3 km, the terrain around Nakhon Ratchasima has only modest variations in elevation — a maximum elevation change of 33 m around an average of 185 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 133 m; within 80 km, large variations in elevation — a maximum elevation change of 866 m.
The land around Nakhon Ratchasima is covered by artificial surfaces (62%) and trees (27%) within 3 km, cropland (47%) and trees (27%) within 16 km, and cropland (72%) and trees (22%) 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 Nakhon Ratchasima (14.9707°, 102.102°, elevation 187 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.