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Chaiyaphum, Thailand climate
Aw Tropical savanna (dry winter)
Chaiyaphum has a mildly seasonal tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is April with an average daily high near 37°C, while the coldest is December averaging around 19°C at night. Precipitation totals about 1134 mm a year and is strongly seasonal — September alone averages 248 mm while December barely receives 6 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Chaiyaphum climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 34 | 36 | 37 | 35 | 34 | 33 | 32 | 32 | 32 | 31 | 30 |
| Avg temp (°C) | 25 | 27 | 30 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 26 | 25 |
| Avg low (°C) | 19 | 21 | 23 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 21 | 19 |
| Precipitation (mm) | 10 | 11 | 50 | 78 | 154 | 134 | 126 | 197 | 248 | 103 | 17 | 6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 34 | 36 | 37 | 35 | 34 |
| Avg temp (°C) | 25 | 27 | 30 | 31 | 30 | 29 |
| Avg low (°C) | 19 | 21 | 23 | 25 | 25 | 25 |
| Precipitation (mm) | 10 | 11 | 50 | 78 | 154 | 134 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 32 | 32 | 32 | 31 | 30 |
| Avg temp (°C) | 29 | 28 | 28 | 28 | 26 | 25 |
| Avg low (°C) | 25 | 24 | 24 | 23 | 21 | 19 |
| Precipitation (mm) | 126 | 197 | 248 | 103 | 17 | 6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 33 | 38 | 47 | 60 | 77 | 85 | 88 | 90 | 84 | 62 | 44 | 35 |
| Relative humidity (%) | 63 | 56 | 55 | 60 | 74 | 80 | 82 | 85 | 87 | 85 | 79 | 71 |
| Wind speed (mph) | 4.7 | 4.6 | 4.6 | 4.1 | 4.1 | 5.2 | 5.6 | 5.2 | 3.6 | 4.4 | 5.1 | 5.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 33 | 38 | 47 | 60 | 77 | 85 |
| Relative humidity (%) | 63 | 56 | 55 | 60 | 74 | 80 |
| Wind speed (mph) | 4.7 | 4.6 | 4.6 | 4.1 | 4.1 | 5.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 88 | 90 | 84 | 62 | 44 | 35 |
| Relative humidity (%) | 82 | 85 | 87 | 85 | 79 | 71 |
| Wind speed (mph) | 5.6 | 5.2 | 3.6 | 4.4 | 5.1 | 5.5 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Chaiyaphum, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.