Udon Thani weather in March
In March, Udon Thani sees average daytime highs of 34°C and overnight lows near 22°C, with 31 mm of rain across 5.8 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 61% of the time in March, and the air most often feels muggy.
Daylight stretches from about 11 h 36 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Udon Thani's 4th-clearest and 4th-windiest month. For the whole year in context, see Udon Thani's year-round climate.
- Daytime high
- 34°
- 2nd warmest
- Overnight low
- 22°
- 5th coldest
- Rainfall
- 31 mm
- 5.8 wet days
- Daylight
- 11 h 54 min
- 6:22 AM – 6:15 PM
- Cloud cover
- 38%
- 4th clearest
- Wind
- 7 km/h
- 4th windiest
- Solar energy
- 5.94 kWh/m²
- Travel score
- 3.5
- out of 10
Udon Thani is city in Udon Thani province, Thailand.
- Density
- 2,736/km²
- people per km²
- Founded
- 1936
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Day-to-day highs hold fairly steady near 34°C through the month.
A typical March day in Udon Thani reaches about 34°C in the afternoon and slips back to 22°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 38°C. Set against its neighbours, March runs about 2°C warmer than February and about 1°C cooler than April.
| 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) | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 33 | 21 |
| 2 | 33 | 21 |
| 3 | 33 | 21 |
| 4 | 33 | 21 |
| 5 | 33 | 21 |
| 6 | 34 | 21 |
| 7 | 34 | 21 |
| 8 | 34 | 21 |
| 9 | 34 | 22 |
| 10 | 34 | 22 |
| 11 | 34 | 22 |
| 12 | 34 | 22 |
| 13 | 34 | 22 |
| 14 | 34 | 22 |
| 15 | 34 | 22 |
| 16 | 34 | 22 |
| 17 | 34 | 23 |
| 18 | 34 | 23 |
| 19 | 34 | 23 |
| 20 | 34 | 23 |
| 21 | 34 | 23 |
| 22 | 34 | 23 |
| 23 | 34 | 23 |
| 24 | 34 | 23 |
| 25 | 34 | 23 |
| 26 | 34 | 23 |
| 27 | 34 | 23 |
| 28 | 34 | 23 |
| 29 | 35 | 24 |
| 30 | 35 | 24 |
| 31 | 35 | 24 |
How March really feels in Udon Thani
Once humidity and wind are folded in, March averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Udon Thani weather by month
How March compares with the rest of the year at a glance. March is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 17° | 8 | 1.4 | 11.1 | 6.8 |
| Feb | 32° / 19° | 14 | 2.4 | 11.4 | 5.3 |
| Mar | 34° / 22° | 31 | 5.8 | 11.9 | 3.5 |
| Apr | 35° / 25° | 62 | 10.4 | 12.4 | 2.4 |
| May | 34° / 26° | 211 | 21.9 | 12.8 | 2.1 |
| Jun | 33° / 26° | 221 | 23 | 13 | 2.3 |
| Jul | 32° / 26° | 266 | 25.6 | 12.9 | 2.4 |
| Aug | 32° / 25° | 331 | 27 | 12.6 | 2.4 |
| Sep | 32° / 25° | 276 | 24.5 | 12.1 | 2.7 |
| Oct | 31° / 23° | 96 | 11.8 | 11.6 | 4.3 |
| Nov | 30° / 21° | 20 | 2.9 | 11.2 | 5.9 |
| Dec | 29° / 18° | 6 | 0.9 | 11 | 7.2 |
Cloud cover in March
The sky is clear or mostly clear about 61% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to cloud over 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 (%) | 87 | 87 | 87 | 87 | 87 | 86 | 85 | 85 | 84 | 83 | 82 | 81 | 80 | 78 | 77 | 75 | 74 | 74 | 72 | 71 | 71 | 70 | 69 | 69 | 68 | 68 | 69 | 69 | 69 | 69 | 69 |
| Cloudier (%) | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 23 | 25 | 26 | 26 | 28 | 29 | 29 | 30 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 31 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 87 | 13 |
| 2 | 87 | 13 |
| 3 | 87 | 13 |
| 4 | 87 | 13 |
| 5 | 87 | 13 |
| 6 | 86 | 14 |
| 7 | 85 | 15 |
| 8 | 85 | 15 |
| 9 | 84 | 16 |
| 10 | 83 | 17 |
| 11 | 82 | 18 |
| 12 | 81 | 19 |
| 13 | 80 | 20 |
| 14 | 78 | 22 |
| 15 | 77 | 23 |
| 16 | 75 | 25 |
| 17 | 74 | 26 |
| 18 | 74 | 26 |
| 19 | 72 | 28 |
| 20 | 71 | 29 |
| 21 | 71 | 29 |
| 22 | 70 | 30 |
| 23 | 69 | 31 |
| 24 | 69 | 31 |
| 25 | 68 | 32 |
| 26 | 68 | 32 |
| 27 | 69 | 31 |
| 28 | 69 | 31 |
| 29 | 69 | 31 |
| 30 | 69 | 31 |
| 31 | 69 | 31 |
Chance of precipitation in March
Udon Thani gets around 31 mm of rain over 5.8 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 19% and peaks near 27% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 20 | 21 | 22 | 23 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 10 |
| 2 | 10 |
| 3 | 10 |
| 4 | 10 |
| 5 | 11 |
| 6 | 11 |
| 7 | 11 |
| 8 | 12 |
| 9 | 12 |
| 10 | 13 |
| 11 | 13 |
| 12 | 14 |
| 13 | 15 |
| 14 | 16 |
| 15 | 17 |
| 16 | 18 |
| 17 | 20 |
| 18 | 21 |
| 19 | 22 |
| 20 | 23 |
| 21 | 24 |
| 22 | 24 |
| 23 | 25 |
| 24 | 26 |
| 25 | 26 |
| 26 | 26 |
| 27 | 26 |
| 28 | 27 |
| 29 | 27 |
| 30 | 27 |
| 31 | 27 |
Humidity in March
Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 73% 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 (%) | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 12 | 12 | 11 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Humid (%) | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 24 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 8 |
| Muggy (%) | 40 | 40 | 41 | 41 | 41 | 41 | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 40 | 39 | 38 | 37 | 36 |
| Oppressive (%) | 16 | 17 | 17 | 18 | 18 | 19 | 20 | 20 | 21 | 22 | 24 | 25 | 27 | 28 | 30 | 31 | 33 | 34 | 35 | 36 | 37 | 39 | 40 | 41 | 42 | 44 | 45 | 46 | 48 | 50 | 51 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 5 | 12 | 27 | 40 | 16 | 0 |
| 2 | 5 | 12 | 27 | 40 | 17 | 0 |
| 3 | 5 | 11 | 27 | 41 | 17 | 0 |
| 4 | 5 | 10 | 27 | 41 | 18 | 0 |
| 5 | 4 | 9 | 27 | 41 | 18 | 0 |
| 6 | 4 | 9 | 27 | 41 | 19 | 0 |
| 7 | 4 | 8 | 26 | 42 | 20 | 0 |
| 8 | 4 | 8 | 26 | 42 | 20 | 0 |
| 9 | 4 | 7 | 25 | 43 | 21 | 0 |
| 10 | 3 | 7 | 24 | 43 | 22 | 0 |
| 11 | 3 | 6 | 24 | 44 | 24 | 0 |
| 12 | 3 | 5 | 23 | 44 | 25 | 0 |
| 13 | 3 | 5 | 22 | 44 | 27 | 0 |
| 14 | 2 | 5 | 21 | 44 | 28 | 0 |
| 15 | 2 | 4 | 20 | 44 | 30 | 0 |
| 16 | 2 | 4 | 19 | 44 | 31 | 0 |
| 17 | 2 | 4 | 18 | 44 | 33 | 0 |
| 18 | 1 | 4 | 17 | 44 | 34 | 0 |
| 19 | 1 | 4 | 16 | 44 | 35 | 0 |
| 20 | 1 | 4 | 15 | 43 | 36 | 0 |
| 21 | 1 | 4 | 15 | 43 | 37 | 0 |
| 22 | 1 | 4 | 14 | 43 | 39 | 0 |
| 23 | 1 | 4 | 13 | 42 | 40 | 0 |
| 24 | 1 | 4 | 12 | 42 | 41 | 0 |
| 25 | 1 | 3 | 12 | 41 | 42 | 0 |
| 26 | 1 | 3 | 11 | 41 | 44 | 0 |
| 27 | 1 | 3 | 10 | 40 | 45 | 0 |
| 28 | 1 | 3 | 10 | 39 | 46 | 0 |
| 29 | 1 | 3 | 9 | 38 | 48 | 1 |
| 30 | 1 | 3 | 9 | 37 | 50 | 1 |
| 31 | 1 | 3 | 8 | 36 | 51 | 1 |
Wind in March
Winds average 7 km/h in March.
Across March, daily wind ranges from about 7 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 36 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over March. Sunrise moves from 6:33 AM to 6:10 AM, and sunset from 6:11 PM to 6:18 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) | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:33 | 6:33 | 6:32 | 6:31 | 6:30 | 6:30 | 6:29 | 6:28 | 6:28 | 6:27 | 6:26 | 6:25 | 6:25 | 6:24 | 6:23 | 6:22 | 6:21 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:17 | 6:16 | 6:15 | 6:14 | 6:13 | 6:12 | 6:12 | 6:11 | 6:10 |
| Sunset (PM) | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:33 | 6:11 |
| 2 | 11.6 | 6:33 | 6:11 |
| 3 | 11.7 | 6:32 | 6:12 |
| 4 | 11.7 | 6:31 | 6:12 |
| 5 | 11.7 | 6:30 | 6:12 |
| 6 | 11.7 | 6:30 | 6:12 |
| 7 | 11.7 | 6:29 | 6:13 |
| 8 | 11.7 | 6:28 | 6:13 |
| 9 | 11.8 | 6:28 | 6:13 |
| 10 | 11.8 | 6:27 | 6:13 |
| 11 | 11.8 | 6:26 | 6:14 |
| 12 | 11.8 | 6:25 | 6:14 |
| 13 | 11.8 | 6:25 | 6:14 |
| 14 | 11.8 | 6:24 | 6:14 |
| 15 | 11.9 | 6:23 | 6:15 |
| 16 | 11.9 | 6:22 | 6:15 |
| 17 | 11.9 | 6:21 | 6:15 |
| 18 | 11.9 | 6:21 | 6:15 |
| 19 | 11.9 | 6:20 | 6:15 |
| 20 | 11.9 | 6:19 | 6:16 |
| 21 | 12.0 | 6:18 | 6:16 |
| 22 | 12.0 | 6:17 | 6:16 |
| 23 | 12.0 | 6:17 | 6:16 |
| 24 | 12.0 | 6:16 | 6:16 |
| 25 | 12.0 | 6:15 | 6:17 |
| 26 | 12.0 | 6:14 | 6:17 |
| 27 | 12.1 | 6:13 | 6:17 |
| 28 | 12.1 | 6:12 | 6:17 |
| 29 | 12.1 | 6:12 | 6:17 |
| 30 | 12.1 | 6:11 | 6:18 |
| 31 | 12.1 | 6:10 | 6:18 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.94 kWh/m².
For context, solar energy here swings from a low near 4.27 kWh/m² to a high of 6.1 kWh/m² in April across the year — March's 5.94 kWh/m² sits near the top of that range.
| 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) | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| 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 | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.8 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.9 | Bright |
| 5 | 5.9 | Bright |
| 6 | 5.9 | Bright |
| 7 | 5.9 | Bright |
| 8 | 5.9 | Bright |
| 9 | 5.9 | Bright |
| 10 | 5.9 | Bright |
| 11 | 6.0 | Bright |
| 12 | 6.0 | Bright |
| 13 | 6.0 | Bright |
| 14 | 6.0 | Bright |
| 15 | 6.0 | Bright |
| 16 | 6.0 | Bright |
| 17 | 6.0 | Bright |
| 18 | 6.0 | Bright |
| 19 | 6.0 | Bright |
| 20 | 6.0 | Bright |
| 21 | 6.0 | Bright |
| 22 | 6.0 | Bright |
| 23 | 6.0 | Bright |
| 24 | 6.0 | Bright |
| 25 | 6.0 | Bright |
| 26 | 6.0 | Bright |
| 27 | 6.0 | Bright |
| 28 | 6.0 | Bright |
| 29 | 6.0 | Bright |
| 30 | 6.0 | Intense |
| 31 | 6.0 | Intense |
Hazard calendar for Udon Thani
None of Udon Thani's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Udon Thani's monsoon runs May–September, when most of the year's rain falls.
Is March a good time to visit Udon Thani?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Udon Thani. The water and warmth also suit a beach or pool day.
What to pack for Udon Thani in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Udon Thani sees daytime highs around 34°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.
UV index in Udon Thani in March
Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Udon Thani peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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) | 8 | 10 | 12 | 10 | 12 | 13 | 13 | 13 | 11 | 10 | 8 | 8 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 10 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Udon Thani in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Udon Thani is worst in March — around 65 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (July, 27 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) | 42 | 54 | 65 | 52 | 36 | 28 | 27 | 29 | 34 | 37 | 35 | 34 |
| Level | Poor | Poor | Unhealthy | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 42 | Poor |
| Feb | 54 | Poor |
| Mar | 65 | Unhealthy |
| Apr | 52 | Poor |
| May | 36 | Poor |
| Jun | 28 | Moderate |
| Jul | 27 | Moderate |
| Aug | 29 | Moderate |
| Sep | 34 | Moderate |
| Oct | 37 | Poor |
| Nov | 35 | Poor |
| Dec | 34 | Moderate |
Where is Udon Thani?
Udon Thani sits at 17.4°N, 102.8°E, 177 m above sea level, in Thailand. The nearest listed city is Kut Chap, 23 km away.
Topography around Udon Thani
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Udon Thani.
Within 3 km, the terrain around Udon Thani has only modest variations in elevation — a maximum elevation change of 19 m around an average of 177 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, significant variations in elevation — a maximum elevation change of 511 m.
The land around Udon Thani is covered by artificial surfaces (58%) and trees (32%) within 3 km, cropland (48%) and trees (35%) within 16 km, and cropland (62%) and trees (32%) 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 Udon Thani (17.4157°, 102.7859°, elevation 177 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).