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Muang Xay, Laos climate
Cwa Monsoon-influenced humid subtropical
Muang Xay has a mildly seasonal warm-temperate climate (Monsoon-influenced humid subtropical, Köppen Cwa). The hottest month is May with an average daily high near 31°C, while the coldest is December averaging around 11°C at night. Precipitation totals about 1886 mm a year and is strongly seasonal — August alone averages 354 mm while February barely receives 23 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)Muang Xay climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 27 | 30 | 32 | 31 | 30 | 28 | 28 | 28 | 27 | 25 | 23 |
| Avg temp (°C) | 18 | 20 | 23 | 25 | 26 | 25 | 24 | 24 | 24 | 22 | 20 | 17 |
| Avg low (°C) | 11 | 13 | 16 | 19 | 20 | 21 | 20 | 20 | 19 | 17 | 14 | 11 |
| Precipitation (mm) | 36 | 23 | 70 | 150 | 250 | 266 | 349 | 354 | 214 | 98 | 44 | 32 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 27 | 30 | 32 | 31 | 30 |
| Avg temp (°C) | 18 | 20 | 23 | 25 | 26 | 25 |
| Avg low (°C) | 11 | 13 | 16 | 19 | 20 | 21 |
| Precipitation (mm) | 36 | 23 | 70 | 150 | 250 | 266 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 27 | 25 | 23 |
| Avg temp (°C) | 24 | 24 | 24 | 22 | 20 | 17 |
| Avg low (°C) | 20 | 20 | 19 | 17 | 14 | 11 |
| Precipitation (mm) | 349 | 354 | 214 | 98 | 44 | 32 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.1 | 1 | 9 | 14 | 11 | 6 | 2 | 1 | 1 | 1 | 0.2 | — |
| Days with low ≤ 0°C (days) | 0.0 | — | — | — | — | — | — | — | — | — | — | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.1 | 1 | 9 | 14 | 11 | 6 |
| Days with low ≤ 0°C (days) | 0.0 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 2 | 1 | 1 | 1 | 0.2 | — |
| Days with low ≤ 0°C (days) | — | — | — | — | — | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 42 | 34 | 41 | 57 | 77 | 91 | 92 | 89 | 75 | 58 | 45 | 45 |
| Relative humidity (%) | 69 | 61 | 58 | 63 | 72 | 79 | 85 | 86 | 83 | 78 | 75 | 73 |
| Wind speed (km/h) | 0.9 | 0.9 | 0.8 | 0.5 | 0.2 | 0.1 | 0.1 | 0.2 | 0.4 | 0.4 | 0.6 | 0.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 42 | 34 | 41 | 57 | 77 | 91 |
| Relative humidity (%) | 69 | 61 | 58 | 63 | 72 | 79 |
| Wind speed (km/h) | 0.9 | 0.9 | 0.8 | 0.5 | 0.2 | 0.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 92 | 89 | 75 | 58 | 45 | 45 |
| Relative humidity (%) | 85 | 86 | 83 | 78 | 75 | 73 |
| Wind speed (km/h) | 0.1 | 0.2 | 0.4 | 0.4 | 0.6 | 0.8 |
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
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.