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Luang Namtha, Laos climate
Cwa Monsoon-influenced humid subtropical
Luang Namtha has a mildly seasonal warm-temperate climate (Monsoon-influenced humid subtropical, Köppen Cwa). The hottest month is May with an average daily high near 32°C, while the coldest is December averaging around 10°C at night. Precipitation totals about 1699 mm a year and is strongly seasonal — July alone averages 314 mm while February barely receives 24 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)Luang Namtha climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 27 | 31 | 33 | 32 | 31 | 29 | 29 | 29 | 28 | 26 | 23 |
| Avg temp (°C) | 17 | 20 | 23 | 26 | 26 | 26 | 25 | 25 | 24 | 23 | 19 | 17 |
| Avg low (°C) | 10 | 12 | 15 | 18 | 20 | 21 | 20 | 20 | 19 | 17 | 13 | 10 |
| Precipitation (mm) | 39 | 24 | 64 | 133 | 211 | 222 | 314 | 313 | 193 | 97 | 52 | 37 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 27 | 31 | 33 | 32 | 31 |
| Avg temp (°C) | 17 | 20 | 23 | 26 | 26 | 26 |
| Avg low (°C) | 10 | 12 | 15 | 18 | 20 | 21 |
| Precipitation (mm) | 39 | 24 | 64 | 133 | 211 | 222 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 28 | 26 | 23 |
| Avg temp (°C) | 25 | 25 | 24 | 23 | 19 | 17 |
| Avg low (°C) | 20 | 20 | 19 | 17 | 13 | 10 |
| Precipitation (mm) | 314 | 313 | 193 | 97 | 52 | 37 |
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 | 12 | 18 | 15 | 10 | 4 | 3 | 3 | 2 | 0.3 | — |
| Days with low ≤ 0°C (days) | — | — | — | — | — | — | — | — | — | — | — | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.1 | 1 | 12 | 18 | 15 | 10 |
| Days with low ≤ 0°C (days) | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 4 | 3 | 3 | 2 | 0.3 | — |
| Days with low ≤ 0°C (days) | — | — | — | — | — | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 38 | 31 | 38 | 54 | 76 | 91 | 94 | 91 | 78 | 62 | 44 | 43 |
| Relative humidity (%) | 72 | 63 | 59 | 64 | 72 | 79 | 84 | 84 | 82 | 80 | 78 | 76 |
| Wind speed (km/h) | 1.2 | 1.1 | 0.9 | 0.5 | 0.3 | 0.1 | 0.1 | 0.3 | 0.4 | 0.5 | 0.8 | 1.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 38 | 31 | 38 | 54 | 76 | 91 |
| Relative humidity (%) | 72 | 63 | 59 | 64 | 72 | 79 |
| Wind speed (km/h) | 1.2 | 1.1 | 0.9 | 0.5 | 0.3 | 0.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 94 | 91 | 78 | 62 | 44 | 43 |
| Relative humidity (%) | 84 | 84 | 82 | 80 | 78 | 76 |
| Wind speed (km/h) | 0.1 | 0.3 | 0.4 | 0.5 | 0.8 | 1.0 |
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.