Sơn La monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Sơn La
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 20.8 | 22.4 | 25.9 | 28.8 | 30.8 | 30.7 | 30.7 | 30.3 | 29.8 | 27.6 | 24.5 | 21.7 |
| °F | 69.4 | 72.4 | 78.6 | 83.9 | 87.4 | 87.3 | 87.3 | 86.6 | 85.7 | 81.7 | 76 | 71.1 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
Average rainfall & rainy days
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 24 | 33 | 51 | 116 | 201 | 283 | 316 | 366 | 238 | 123 | 54 | 24 |
| inches | 0.9 | 1.3 | 2 | 4.6 | 7.9 | 11.1 | 12.4 | 14.4 | 9.4 | 4.8 | 2.1 | 0.9 |
| Rainy days | 8 | 8 | 10 | 13 | 17 | 19 | 22 | 23 | 17 | 12 | 8 | 5 |
Average annual rainfall in Sơn La: 1953.867mm (769.2 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Sơn La
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 4.2 | 4.5 | 4.7 | 5.9 | 6.4 | 5 | 5 | 5 | 5.4 | 5.2 | 4.9 | 4.8 |
Day / night temperatures
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 12.7 | 13.8 | 16.5 | 19.8 | 22.7 | 23.9 | 23.9 | 23.3 | 22.4 | 20.2 | 16.8 | 13.5 |
| Max °C | 21 | 22.7 | 26.1 | 29.1 | 31 | 30.9 | 30.9 | 30.5 | 30 | 27.8 | 24.7 | 22 |
| Min °F | 54.8 | 56.8 | 61.7 | 67.6 | 72.8 | 75 | 75 | 73.9 | 72.3 | 68.4 | 62.2 | 56.2 |
| Max °F | 62.2 | 64.8 | 70.3 | 75.9 | 80.2 | 81.3 | 81.3 | 80.4 | 79.2 | 75.2 | 69.3 | 63.9 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 21.4 | 21.4 | 22.9 | 25 | 27.5 | 29.1 | 29.4 | 29.4 | 29.1 | 28 | 25.8 | 23 |
| °F | 70.5 | 70.5 | 73.2 | 77 | 81.6 | 84.4 | 85 | 85 | 84.3 | 82.3 | 78.4 | 73.5 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 6 | 6 | 6 |
| mph | 4 | 5 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 4 | 4 | 4 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 81% | 80% | 77% | 79% | 81% | 83% | 85% | 86% | 84% | 83% | 81% | 80% |
Other monthly averages
Sơn La weather stats
| Hottest month: | June | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | January | 24mm 0.9ins |
| Sunniest month: | May | 6.4hrs |
| Coldest month: | January | 20.8°C 69.4°F |
| Wettest month: | August | 366mm 14.4ins |
| Warmest sea: | July | 29.4°C 84.9°F |
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