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Ban Houayxay, Laos climate
Aw Tropical savanna (dry winter)
Ban Houayxay has a mildly seasonal tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is May with an average daily high near 92°F, while the coldest is December averaging around 58°F at night. Precipitation totals about 67 inches a year and is strongly seasonal — August alone averages 14.5 inches while January barely receives 0.29 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)Ban Houayxay climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 88 | 93 | 94 | 92 | 91 | 88 | 88 | 88 | 88 | 85 | 82 |
| Avg temp (°F) | 70 | 73 | 78 | 82 | 83 | 83 | 82 | 81 | 81 | 79 | 75 | 70 |
| Avg low (°F) | 56 | 58 | 63 | 70 | 73 | 75 | 75 | 74 | 73 | 70 | 64 | 58 |
| Precipitation (in) | 0.3 | 0.6 | 1.5 | 3.2 | 9.3 | 7.6 | 12.1 | 14.5 | 10.9 | 3.8 | 2.3 | 0.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 88 | 93 | 94 | 92 | 91 |
| Avg temp (°F) | 70 | 73 | 78 | 82 | 83 | 83 |
| Avg low (°F) | 56 | 58 | 63 | 70 | 73 | 75 |
| Precipitation (in) | 0.3 | 0.6 | 1.5 | 3.2 | 9.3 | 7.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 88 | 88 | 88 | 85 | 82 |
| Avg temp (°F) | 82 | 81 | 81 | 79 | 75 | 70 |
| Avg low (°F) | 75 | 74 | 73 | 70 | 64 | 58 |
| Precipitation (in) | 12.1 | 14.5 | 10.9 | 3.8 | 2.3 | 0.7 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 2 | 2 | 4 | 10 | 17 | 18 | 21 | 23 | 17 | 11 | 5 | 3 |
| Days with high ≥ 90°F (days) | 0.9 | 13 | 24 | 24 | 22 | 18 | 12 | 10 | 12 | 9 | 3 | 0.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 2 | 2 | 4 | 10 | 17 | 18 |
| Days with high ≥ 90°F (days) | 0.9 | 13 | 24 | 24 | 22 | 18 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 21 | 23 | 17 | 11 | 5 | 3 |
| Days with high ≥ 90°F (days) | 12 | 10 | 12 | 9 | 3 | 0.6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 26 | 21 | 31 | 48 | 75 | 89 | 92 | 92 | 82 | 63 | 40 | 33 |
| Relative humidity (%) | 70 | 60 | 55 | 60 | 72 | 79 | 83 | 85 | 83 | 81 | 79 | 76 |
| Wind speed (mph) | 1.6 | 1.7 | 1.9 | 1.9 | 1.9 | 2.0 | 1.9 | 1.7 | 1.5 | 1.5 | 1.5 | 1.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 26 | 21 | 31 | 48 | 75 | 89 |
| Relative humidity (%) | 70 | 60 | 55 | 60 | 72 | 79 |
| Wind speed (mph) | 1.6 | 1.7 | 1.9 | 1.9 | 1.9 | 2.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 92 | 92 | 82 | 63 | 40 | 33 |
| Relative humidity (%) | 83 | 85 | 83 | 81 | 79 | 76 |
| Wind speed (mph) | 1.9 | 1.7 | 1.5 | 1.5 | 1.5 | 1.5 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Chiang Rai, a weather station, about 75 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.