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Suphan Buri, Thailand climate
Aw Tropical savanna (dry winter)
Suphan Buri has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is April with an average daily high near 99°F, while the coldest is December averaging around 69°F at night. Precipitation totals about 39 inches a year and is strongly seasonal — September alone averages 8.9 inches while January barely receives 0.16 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)Suphan Buri climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 90 | 93 | 97 | 99 | 97 | 95 | 94 | 94 | 93 | 91 | 90 | 89 |
| Avg temp (°F) | 80 | 83 | 86 | 89 | 88 | 87 | 86 | 85 | 85 | 84 | 82 | 79 |
| Avg low (°F) | 70 | 73 | 76 | 78 | 79 | 78 | 78 | 77 | 77 | 76 | 73 | 69 |
| Precipitation (in) | 0.2 | 0.2 | 0.3 | 2.2 | 4.3 | 4.3 | 4.3 | 4.5 | 8.9 | 7.6 | 2.0 | 0.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 90 | 93 | 97 | 99 | 97 | 95 |
| Avg temp (°F) | 80 | 83 | 86 | 89 | 88 | 87 |
| Avg low (°F) | 70 | 73 | 76 | 78 | 79 | 78 |
| Precipitation (in) | 0.2 | 0.2 | 0.3 | 2.2 | 4.3 | 4.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 94 | 94 | 93 | 91 | 90 | 89 |
| Avg temp (°F) | 86 | 85 | 85 | 84 | 82 | 79 |
| Avg low (°F) | 78 | 77 | 77 | 76 | 73 | 69 |
| Precipitation (in) | 4.3 | 4.5 | 8.9 | 7.6 | 2.0 | 0.4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 1 | 0.8 | 3 | 5 | 12 | 12 | 14 | 15 | 18 | 14 | 4 | 1 |
| Days with high ≥ 90°F (days) | 18 | 22 | 26 | 26 | 27 | 27 | 25 | 26 | 24 | 21 | 16 | 13 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 1 | 0.8 | 3 | 5 | 12 | 12 |
| Days with high ≥ 90°F (days) | 18 | 22 | 26 | 26 | 27 | 27 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 15 | 18 | 14 | 4 | 1 |
| Days with high ≥ 90°F (days) | 25 | 26 | 24 | 21 | 16 | 13 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 37 | 48 | 59 | 80 | 88 | 90 | 92 | 88 | 72 | 49 | 38 |
| Relative humidity (%) | 58 | 53 | 53 | 58 | 70 | 76 | 79 | 81 | 84 | 85 | 79 | 66 |
| Wind speed (mph) | 3.7 | 4.1 | 4.7 | 4.5 | 4.2 | 4.8 | 5.0 | 4.9 | 3.5 | 3.3 | 4.0 | 4.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 37 | 48 | 59 | 80 | 88 |
| Relative humidity (%) | 58 | 53 | 53 | 58 | 70 | 76 |
| Wind speed (mph) | 3.7 | 4.1 | 4.7 | 4.5 | 4.2 | 4.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 90 | 92 | 88 | 72 | 49 | 38 |
| Relative humidity (%) | 79 | 81 | 84 | 85 | 79 | 66 |
| Wind speed (mph) | 5.0 | 4.9 | 3.5 | 3.3 | 4.0 | 4.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Suphan Buri, 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.