Khon Kaen Climate by Month
Khon Kaen, Thailand
Hot all year, with a rainy season from May to September.
Khon Kaen is hot all year, with a rainy season from May to September. Afternoon highs range from 86°F (30°C) in December to 97°F (36°C) in April, and January nights average 63°F (17°C). It gets 44 in (1123 mm) of rain a year, 79% of it from May to September. December and January are almost completely dry.
- Warmest month
- 97°F(36°C)
- Average high, April
- Coldest nights
- 63°F(17°C)
- Average low, January
- Rain per year
- 44 in(1123 mm)
- Wettest: August
- Humidity
- 69%
- Sunniest: April
Best and worst months in Khon Kaen
Best for weatherThe most comfortable weather comes in December and January, with highs around 87°F (31°C) and almost no rain.
Least pleasantAugust and September are the least pleasant; August is the wettest, with 8.5 in (215 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in December.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Khon Kaen weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 87°F(31°C) | 63°F(17°C) | 0.1 in(2 mm) | 63% | 5.0 |
| FebFebruary | 91°F(33°C) | 66°F(19°C) | 0.7 in(18 mm) | 60% | 5.6 |
| MarMarch | 95°F(35°C) | 72°F(22°C) | 1.5 in(39 mm) | 61% | 5.8 |
| AprApril | 97°F(36°C) | 76°F(24°C) | 2.6 in(65 mm) | 63% | 6.1 |
| MayMay | 95°F(35°C) | 77°F(25°C) | 5.7 in(146 mm) | 69% | 5.8 |
| JunJune | 92°F(34°C) | 77°F(25°C) | 5.9 in(151 mm) | 74% | 5.3 |
| JulJuly | 91°F(33°C) | 76°F(25°C) | 6.5 in(165 mm) | 76% | 4.7 |
| AugAugust | 90°F(32°C) | 76°F(24°C) | 8.5 in(215 mm) | 78% | 4.7 |
| SepSeptember | 90°F(32°C) | 75°F(24°C) | 8.1 in(207 mm) | 79% | 4.7 |
| OctOctober | 90°F(32°C) | 73°F(23°C) | 3.8 in(97 mm) | 74% | 5.4 |
| NovNovember | 89°F(32°C) | 68°F(20°C) | 0.5 in(13 mm) | 69% | 5.0 |
| DecDecemberBest | 86°F(30°C) | 63°F(17°C) | 0.2 in(5 mm) | 64% | 4.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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