Nakhon Ratchasima weather in January
In January, Nakhon Ratchasima sees average daytime highs of 31°C and overnight lows near 19°C, with 7 mm of rain across 1.7 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 56% of the time in January, and the air most often feels humid.
Daylight stretches from about 11 h 06 min at the start of January to 11 h 18 min by month's end. Set against the rest of the year, January is Nakhon Ratchasima's 2nd-clearest and 6th-windiest month. For the whole year in context, see Nakhon Ratchasima's year-round climate.
- Daytime high
- 31°
- 10th warmest
- Overnight low
- 19°
- 1st coldest
- Rainfall
- 7 mm
- 1.7 wet days
- Daylight
- 11 h 12 min
- 6:45 AM – 5:57 PM
- Cloud cover
- 39%
- 2nd clearest
- Wind
- 9 km/h
- 6th windiest
- Solar energy
- 5.08 kWh/m²
- Travel score
- 5.7
- out of 10
Nakhon Ratchasima is Capital city of Nakhon Ratchasima Province, Thailand.
- Air quality
- Elevated
- PM2.5 24 µg/m³ · 2019
- Density
- 3,370/km²
- people per km²
- Founded
- 1656
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 31°C through the month.
A typical January day in Nakhon Ratchasima reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, January runs about 1°C warmer than December and about 2°C cooler than February.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 19 |
| 2 | 30 | 19 |
| 3 | 30 | 19 |
| 4 | 30 | 19 |
| 5 | 30 | 19 |
| 6 | 30 | 19 |
| 7 | 30 | 19 |
| 8 | 31 | 19 |
| 9 | 31 | 19 |
| 10 | 31 | 19 |
| 11 | 31 | 19 |
| 12 | 31 | 19 |
| 13 | 31 | 19 |
| 14 | 31 | 19 |
| 15 | 31 | 19 |
| 16 | 31 | 19 |
| 17 | 31 | 19 |
| 18 | 31 | 19 |
| 19 | 31 | 19 |
| 20 | 31 | 19 |
| 21 | 31 | 19 |
| 22 | 31 | 19 |
| 23 | 31 | 19 |
| 24 | 31 | 19 |
| 25 | 31 | 19 |
| 26 | 31 | 19 |
| 27 | 31 | 19 |
| 28 | 31 | 19 |
| 29 | 31 | 20 |
| 30 | 32 | 20 |
| 31 | 32 | 20 |
How January really feels in Nakhon Ratchasima
Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Nakhon Ratchasima weather by month
How January compares with the rest of the year at a glance. January is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.
| 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 January
The sky is clear or mostly clear about 56% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 70 | 70 | 70 | 69 | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 72 | 72 | 72 | 73 | 74 | 75 | 76 | 76 | 76 | 77 | 78 | 78 | 78 | 78 | 80 | 80 | 80 | 80 | 81 |
| Cloudier (%) | 30 | 30 | 30 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 20 | 20 | 20 | 20 | 19 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 70 | 30 |
| 3 | 70 | 30 |
| 4 | 69 | 31 |
| 5 | 69 | 31 |
| 6 | 70 | 30 |
| 7 | 70 | 30 |
| 8 | 70 | 30 |
| 9 | 70 | 30 |
| 10 | 70 | 30 |
| 11 | 70 | 30 |
| 12 | 71 | 29 |
| 13 | 72 | 28 |
| 14 | 72 | 28 |
| 15 | 72 | 28 |
| 16 | 73 | 27 |
| 17 | 74 | 26 |
| 18 | 75 | 25 |
| 19 | 76 | 24 |
| 20 | 76 | 24 |
| 21 | 76 | 24 |
| 22 | 77 | 23 |
| 23 | 78 | 22 |
| 24 | 78 | 22 |
| 25 | 78 | 22 |
| 26 | 78 | 22 |
| 27 | 80 | 20 |
| 28 | 80 | 20 |
| 29 | 80 | 20 |
| 30 | 80 | 20 |
| 31 | 81 | 19 |
Chance of precipitation in January
Nakhon Ratchasima gets around 7 mm of rain over 1.7 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 5% and peaks near 6% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 |
| Rain chance (%) | |
|---|---|
| 1 | 5 |
| 2 | 5 |
| 3 | 5 |
| 4 | 5 |
| 5 | 5 |
| 6 | 5 |
| 7 | 5 |
| 8 | 5 |
| 9 | 5 |
| 10 | 5 |
| 11 | 5 |
| 12 | 5 |
| 13 | 5 |
| 14 | 5 |
| 15 | 5 |
| 16 | 5 |
| 17 | 6 |
| 18 | 6 |
| 19 | 6 |
| 20 | 6 |
| 21 | 6 |
| 22 | 6 |
| 23 | 6 |
| 24 | 6 |
| 25 | 6 |
| 26 | 6 |
| 27 | 5 |
| 28 | 5 |
| 29 | 5 |
| 30 | 5 |
| 31 | 4 |
Humidity in January
Most of January feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 |
| Comfortable (%) | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Humid (%) | 32 | 33 | 33 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 34 | 33 | 32 | 31 |
| Muggy (%) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 |
| Oppressive (%) | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 13 | 25 | 32 | 25 | 5 |
| 2 | 12 | 25 | 33 | 25 | 5 |
| 3 | 12 | 25 | 33 | 25 | 6 |
| 4 | 11 | 25 | 34 | 25 | 6 |
| 5 | 11 | 24 | 34 | 25 | 6 |
| 6 | 10 | 24 | 34 | 25 | 7 |
| 7 | 10 | 24 | 34 | 25 | 7 |
| 8 | 10 | 23 | 35 | 25 | 7 |
| 9 | 10 | 23 | 35 | 25 | 8 |
| 10 | 10 | 22 | 35 | 25 | 8 |
| 11 | 10 | 22 | 35 | 25 | 8 |
| 12 | 10 | 22 | 35 | 25 | 9 |
| 13 | 9 | 22 | 35 | 25 | 9 |
| 14 | 9 | 21 | 35 | 25 | 9 |
| 15 | 9 | 21 | 35 | 25 | 9 |
| 16 | 9 | 20 | 36 | 25 | 9 |
| 17 | 9 | 20 | 36 | 25 | 9 |
| 18 | 9 | 20 | 36 | 26 | 9 |
| 19 | 9 | 19 | 36 | 26 | 9 |
| 20 | 9 | 19 | 37 | 26 | 9 |
| 21 | 9 | 19 | 37 | 26 | 9 |
| 22 | 9 | 19 | 37 | 26 | 9 |
| 23 | 9 | 19 | 36 | 27 | 9 |
| 24 | 9 | 19 | 36 | 27 | 9 |
| 25 | 9 | 18 | 36 | 27 | 9 |
| 26 | 9 | 18 | 35 | 27 | 10 |
| 27 | 10 | 18 | 35 | 28 | 10 |
| 28 | 10 | 18 | 34 | 28 | 10 |
| 29 | 10 | 18 | 33 | 28 | 10 |
| 30 | 11 | 18 | 32 | 28 | 10 |
| 31 | 11 | 18 | 31 | 29 | 10 |
Wind in January
Winds average 9 km/h in January.
Across January, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in January
Daylight runs from about 11 h 06 min at the start of January to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over January. Sunrise moves from 6:41 AM to 6:45 AM, and sunset from 5:49 PM to 6:05 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 |
| Sunrise (AM) | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:44 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 |
| Sunset (PM) | 5:49 | 5:49 | 5:50 | 5:50 | 5:51 | 5:51 | 5:52 | 5:52 | 5:53 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.1 | 6:41 | 5:49 |
| 2 | 11.1 | 6:41 | 5:49 |
| 3 | 11.1 | 6:42 | 5:50 |
| 4 | 11.1 | 6:42 | 5:50 |
| 5 | 11.1 | 6:42 | 5:51 |
| 6 | 11.1 | 6:43 | 5:51 |
| 7 | 11.1 | 6:43 | 5:52 |
| 8 | 11.2 | 6:43 | 5:52 |
| 9 | 11.2 | 6:43 | 5:53 |
| 10 | 11.2 | 6:44 | 5:54 |
| 11 | 11.2 | 6:44 | 5:54 |
| 12 | 11.2 | 6:44 | 5:55 |
| 13 | 11.2 | 6:44 | 5:55 |
| 14 | 11.2 | 6:45 | 5:56 |
| 15 | 11.2 | 6:45 | 5:56 |
| 16 | 11.2 | 6:45 | 5:57 |
| 17 | 11.2 | 6:45 | 5:57 |
| 18 | 11.2 | 6:45 | 5:58 |
| 19 | 11.2 | 6:45 | 5:59 |
| 20 | 11.2 | 6:45 | 5:59 |
| 21 | 11.2 | 6:45 | 6:00 |
| 22 | 11.2 | 6:45 | 6:00 |
| 23 | 11.3 | 6:45 | 6:01 |
| 24 | 11.3 | 6:45 | 6:01 |
| 25 | 11.3 | 6:45 | 6:02 |
| 26 | 11.3 | 6:45 | 6:02 |
| 27 | 11.3 | 6:45 | 6:03 |
| 28 | 11.3 | 6:45 | 6:03 |
| 29 | 11.3 | 6:45 | 6:04 |
| 30 | 11.3 | 6:45 | 6:04 |
| 31 | 11.3 | 6:45 | 6:05 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 5.08 kWh/m².
For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.08 kWh/m² in April across the year — January's 5.08 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.9 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.9 | Bright |
| 7 | 5.0 | Bright |
| 8 | 5.0 | Bright |
| 9 | 5.0 | Bright |
| 10 | 5.0 | Bright |
| 11 | 5.0 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.0 | Bright |
| 15 | 5.1 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.1 | Bright |
| 19 | 5.1 | Bright |
| 20 | 5.1 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
| 31 | 5.3 | Bright |
Hazard calendar for Nakhon Ratchasima
None of Nakhon Ratchasima's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Nakhon Ratchasima's monsoon runs May–October, when most of the year's rain falls.
Is January a good time to visit Nakhon Ratchasima?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Nakhon Ratchasima for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Nakhon Ratchasima in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Nakhon Ratchasima sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.
UV index in Nakhon Ratchasima in January
Clear-sky midday UV in January peaks 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 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 January
Average fine-particle pollution (PM2.5) through the year — so you can see where January 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).