Climate averages 1991–2020
Khon Kaen weather
in April.
A very hot, moderately wet month: the warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a very hot month in Khon Kaen: daytime highs average 34.9°C and nights cool to about 25.2°C. By daytime temperature it is the warmest month of the year.
Expect about 65 mm of rain on roughly 11 days, which makes April a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average April day.
The nearest other city in this atlas is Udon Thani (108 km away). In April its highs average 34.3°C, 0.6°C cooler than Khon Kaen, with 62 mm of rain.
Among the 46 cities listed in Thailand, Khon Kaen ranks 12th of 46 for the warmest April highs and 7th of 46 for the driest April (rainfall, lowest first). The mean April high of those 46 cities is 33.9°C; Khon Kaen is 1.0°C warmer than that mean.
From April to May, average highs fall by 1.5°C to 33.4°C, and monthly rainfall rises from 65 mm to 152 mm.
The annual picture
April 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
Khon Kaen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C18.1°C | 18.1°C | 7.2 | 1.7 | 11.311 h |
| February | 31.7°C19.9°C | 19.9°C | 11 | 2.4 | 11.612 h |
| March | 34.0°C23.2°C | 23.2°C | 34 | 5.9 | 12.012 h |
| April, selected | 34.9°C25.2°C | 25.2°C | 65 | 10.7 | 12.512 h |
| May | 33.4°C25.4°C | 25.4°C | 152 | 20.1 | 12.913 h |
| June | 32.4°C25.4°C | 25.4°C | 134 | 19.1 | 13.113 h |
| July | 31.7°C25.0°C | 25.0°C | 164 | 20.2 | 13.013 h |
| August | 30.8°C24.5°C | 24.5°C | 214 | 23.3 | 12.713 h |
| September | 30.1°C23.8°C | 23.8°C | 237 | 23.3 | 12.212 h |
| October | 29.6°C22.5°C | 22.5°C | 104 | 12.8 | 11.812 h |
| November | 29.4°C20.6°C | 20.6°C | 24 | 3.5 | 11.411 h |
| December | 28.3°C18.3°C | 18.3°C | 5.1 | 1.0 | 11.211 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
April in nearby cities
- Udon Thani in AprilThailand · 108 kmHigh 34.3°C · Low 24.7°C · 62 mm rain
- Sakon Nakhon in AprilThailand · 161 kmHigh 33.7°C · Low 24.5°C · 73 mm rain
- Vientiane in AprilLaos · 171 kmHigh 33.8°C · Low 24.4°C · 75 mm rain
- Nakhon Ratchasima in AprilThailand · 182 kmHigh 35.0°C · Low 25.0°C · 69 mm rain
- Savannakhet in AprilLaos · 206 kmHigh 33.8°C · Low 24.2°C · 66 mm rain
- Thakhèk in AprilLaos · 238 kmHigh 33.3°C · Low 23.4°C · 69 mm rain
- Ubon Ratchathani in AprilThailand · 254 kmHigh 34.5°C · Low 25.3°C · 81 mm rain
- Nakhon Sawan in AprilThailand · 300 kmHigh 36.5°C · Low 26.6°C · 62 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 Khon Kaen) is explained once on the Khon Kaen year overview and on the Sources, method and limits page.