Climate averages 1991–2020
Udon Thani weather
in July.
A hot, very wet month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Udon Thani: daytime highs average 30.6°C and nights cool to about 24.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 266 mm of rain on roughly 26 days, which makes July a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average July day.
The nearest other city in this atlas is Vientiane (64 km away). In July its highs average 29.9°C, 0.7°C cooler than Udon Thani, with 372 mm of rain.
Among the 46 cities listed in Thailand, Udon Thani ranks joint 33rd of 46 for the warmest July highs and 42nd of 46 for the driest July (rainfall, lowest first). The mean July high of those 46 cities is 31.0°C; Udon Thani is 0.4°C cooler than that mean.
From July to August, average highs fall by 0.6°C to 30.1°C, and monthly rainfall rises from 266 mm to 331 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Udon Thani climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.0°C17.1°C | 17.1°C | 7.6 | 1.5 | 11.211 h |
| February | 30.5°C19.1°C | 19.1°C | 14 | 2.4 | 11.612 h |
| March | 33.1°C22.3°C | 22.3°C | 31 | 5.8 | 12.012 h |
| April | 34.3°C24.7°C | 24.7°C | 62 | 10.4 | 12.513 h |
| May | 32.6°C25.1°C | 25.1°C | 211 | 21.8 | 12.913 h |
| June | 31.4°C25.1°C | 25.1°C | 221 | 23.0 | 13.213 h |
| July, selected | 30.6°C24.7°C | 24.7°C | 266 | 25.6 | 13.113 h |
| August | 30.1°C24.3°C | 24.3°C | 331 | 26.9 | 12.713 h |
| September | 29.9°C23.7°C | 23.7°C | 276 | 24.5 | 12.212 h |
| October | 29.4°C22.3°C | 22.3°C | 96 | 11.8 | 11.812 h |
| November | 28.9°C20.0°C | 20.0°C | 20 | 2.9 | 11.311 h |
| December | 27.4°C17.3°C | 17.3°C | 6.4 | 0.9 | 11.111 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Vientiane in JulyLaos · 64 kmHigh 29.9°C · Low 24.4°C · 372 mm rain
- Khon Kaen in JulyThailand · 108 kmHigh 31.7°C · Low 25.0°C · 164 mm rain
- Sakon Nakhon in JulyThailand · 147 kmHigh 30.3°C · Low 24.7°C · 314 mm rain
- Thakhèk in JulyLaos · 217 kmHigh 29.5°C · Low 23.9°C · 490 mm rain
- Savannakhet in JulyLaos · 230 kmHigh 30.0°C · Low 24.2°C · 278 mm rain
- Nakhon Ratchasima in JulyThailand · 282 kmHigh 32.0°C · Low 24.8°C · 125 mm rain
- Ubon Ratchathani in JulyThailand · 327 kmHigh 30.9°C · Low 24.6°C · 232 mm rain
- Vinh in JulyVietnam · 338 kmHigh 33.5°C · Low 27.2°C · 149 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Udon Thani) is explained once on the Udon Thani year overview and on the Sources, method and limits page.