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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 98°F, while the coldest is December averaging around 66°F at night. Precipitation totals about 45 inches a year and is strongly seasonal — September alone averages 9.8 inches while December barely receives 0.24 inches.
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 (°F) | 88 | 92 | 96 | 98 | 95 | 93 | 91 | 90 | 90 | 89 | 89 | 87 |
| Avg temp (°F) | 77 | 81 | 85 | 87 | 86 | 85 | 84 | 83 | 83 | 82 | 80 | 76 |
| Avg low (°F) | 66 | 69 | 74 | 77 | 77 | 77 | 76 | 76 | 75 | 74 | 70 | 66 |
| Precipitation (in) | 0.4 | 0.4 | 2.0 | 3.1 | 6.1 | 5.3 | 5.0 | 7.7 | 9.8 | 4.0 | 0.7 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 92 | 96 | 98 | 95 | 93 |
| Avg temp (°F) | 77 | 81 | 85 | 87 | 86 | 85 |
| Avg low (°F) | 66 | 69 | 74 | 77 | 77 | 77 |
| Precipitation (in) | 0.4 | 0.4 | 2.0 | 3.1 | 6.1 | 5.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 90 | 90 | 89 | 89 | 87 |
| Avg temp (°F) | 84 | 83 | 83 | 82 | 80 | 76 |
| Avg low (°F) | 76 | 76 | 75 | 74 | 70 | 66 |
| Precipitation (in) | 5.0 | 7.7 | 9.8 | 4.0 | 0.7 | 0.2 |
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.