Sơn La weather in June
In June, Sơn La sees average daytime highs of 30°C and overnight lows near 23°C, with 209 mm of rain across 23 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 3% of the time in June, and the air most often feels oppressive.
Daylight stretches from about 13 h 12 min at the start of June to 13 h 18 min by month's end. Set against the rest of the year, June is Sơn La's 12th-clearest and 9th-windiest month. For the whole year in context, see Sơn La's year-round climate.
- Daytime high
- 30°
- 2nd warmest
- Overnight low
- 23°
- 12th coldest
- Rainfall
- 209 mm
- 23 wet days
- Daylight
- 13 h 18 min
- 5:26 AM – 6:43 PM
- Cloud cover
- 90%
- 12th clearest
- Wind
- 5 km/h
- 9th windiest
- Solar energy
- 4.63 kWh/m²
- Travel score
- 3.2
- out of 10
Sơn La is the old provincial capital of Son La province, Vietnam.
- Density
- 328/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Day-to-day highs hold fairly steady near 30°C through the month.
A typical June day in Sơn La reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, June runs on par with May and about 1°C warmer than July.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 23 |
| 2 | 30 | 23 |
| 3 | 30 | 23 |
| 4 | 30 | 23 |
| 5 | 30 | 23 |
| 6 | 30 | 23 |
| 7 | 30 | 23 |
| 8 | 30 | 23 |
| 9 | 30 | 23 |
| 10 | 30 | 23 |
| 11 | 30 | 23 |
| 12 | 30 | 23 |
| 13 | 30 | 23 |
| 14 | 30 | 23 |
| 15 | 30 | 23 |
| 16 | 30 | 23 |
| 17 | 30 | 23 |
| 18 | 30 | 23 |
| 19 | 30 | 23 |
| 20 | 30 | 23 |
| 21 | 30 | 23 |
| 22 | 30 | 23 |
| 23 | 30 | 23 |
| 24 | 30 | 23 |
| 25 | 30 | 23 |
| 26 | 30 | 23 |
| 27 | 30 | 23 |
| 28 | 30 | 23 |
| 29 | 30 | 23 |
| 30 | 30 | 23 |
How June really feels in Sơn La
Once humidity and wind are folded in, June averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sơn La weather by month
How June compares with the rest of the year at a glance. June is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 12° | 24 | 4 | 10.8 | 7.3 |
| Feb | 23° / 13° | 19 | 3.6 | 11.3 | 7.9 |
| Mar | 27° / 16° | 50 | 7.1 | 11.8 | 7.1 |
| Apr | 29° / 19° | 72 | 12.8 | 12.5 | 5.2 |
| May | 30° / 22° | 147 | 19.3 | 13 | 3.7 |
| Jun | 30° / 23° | 209 | 23 | 13.3 | 3.2 |
| Jul | 29° / 23° | 288 | 24.5 | 13.2 | 3.4 |
| Aug | 29° / 22° | 283 | 25.3 | 12.7 | 3.4 |
| Sep | 29° / 21° | 150 | 17.5 | 12.1 | 4.4 |
| Oct | 27° / 19° | 49 | 8.3 | 11.5 | 6.6 |
| Nov | 25° / 16° | 27 | 4.5 | 11 | 7.8 |
| Dec | 22° / 12° | 23 | 3.6 | 10.7 | 7.6 |
Cloud cover in June
The sky is clear or mostly clear about 3% of the time in June, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 4% of June, with mostly cloudy or overcast conditions the remaining 92%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 10 | 11 | 11 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
| Cloudier (%) | 90 | 89 | 89 | 91 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 10 | 90 |
| 2 | 11 | 89 |
| 3 | 11 | 89 |
| 4 | 9 | 91 |
| 5 | 9 | 91 |
| 6 | 9 | 91 |
| 7 | 9 | 91 |
| 8 | 9 | 91 |
| 9 | 8 | 92 |
| 10 | 8 | 92 |
| 11 | 8 | 92 |
| 12 | 8 | 92 |
| 13 | 7 | 93 |
| 14 | 7 | 93 |
| 15 | 7 | 93 |
| 16 | 7 | 93 |
| 17 | 6 | 94 |
| 18 | 6 | 94 |
| 19 | 6 | 94 |
| 20 | 6 | 94 |
| 21 | 6 | 94 |
| 22 | 6 | 94 |
| 23 | 6 | 94 |
| 24 | 6 | 94 |
| 25 | 6 | 94 |
| 26 | 6 | 94 |
| 27 | 7 | 93 |
| 28 | 7 | 93 |
| 29 | 7 | 93 |
| 30 | 7 | 93 |
Chance of precipitation in June
Sơn La gets around 209 mm of rain over 23 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 77% and peaks near 78% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 |
| Rain chance (%) | |
|---|---|
| 1 | 75 |
| 2 | 76 |
| 3 | 76 |
| 4 | 76 |
| 5 | 77 |
| 6 | 77 |
| 7 | 77 |
| 8 | 77 |
| 9 | 77 |
| 10 | 77 |
| 11 | 77 |
| 12 | 77 |
| 13 | 77 |
| 14 | 77 |
| 15 | 77 |
| 16 | 77 |
| 17 | 77 |
| 18 | 77 |
| 19 | 77 |
| 20 | 77 |
| 21 | 77 |
| 22 | 77 |
| 23 | 77 |
| 24 | 77 |
| 25 | 77 |
| 26 | 77 |
| 27 | 77 |
| 28 | 78 |
| 29 | 78 |
| 30 | 78 |
Humidity in June
Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 82 | 83 | 84 | 86 | 87 | 88 | 88 | 89 | 90 | 91 | 91 | 92 | 92 | 93 | 94 | 94 | 95 | 95 | 96 | 96 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 98 | 98 | 98 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 2 | 16 | 82 | 0 |
| 2 | 2 | 15 | 83 | 0 |
| 3 | 2 | 14 | 84 | 0 |
| 4 | 1 | 13 | 86 | 0 |
| 5 | 1 | 12 | 87 | 0 |
| 6 | 1 | 11 | 88 | 0 |
| 7 | 1 | 11 | 88 | 0 |
| 8 | 1 | 10 | 89 | 0 |
| 9 | 1 | 9 | 90 | 0 |
| 10 | 1 | 8 | 91 | 0 |
| 11 | 1 | 8 | 91 | 0 |
| 12 | 1 | 7 | 92 | 0 |
| 13 | 1 | 7 | 92 | 0 |
| 14 | 1 | 6 | 93 | 0 |
| 15 | 1 | 5 | 94 | 0 |
| 16 | 1 | 5 | 94 | 0 |
| 17 | 1 | 4 | 95 | 0 |
| 18 | 1 | 4 | 95 | 0 |
| 19 | 1 | 3 | 96 | 0 |
| 20 | 1 | 3 | 96 | 0 |
| 21 | 0 | 2 | 98 | 0 |
| 22 | 0 | 2 | 98 | 0 |
| 23 | 0 | 2 | 98 | 0 |
| 24 | 0 | 1 | 99 | 0 |
| 25 | 0 | 1 | 99 | 0 |
| 26 | 0 | 1 | 99 | 0 |
| 27 | 0 | 1 | 99 | 0 |
| 28 | 0 | 1 | 98 | 1 |
| 29 | 0 | 1 | 98 | 1 |
| 30 | 0 | 1 | 98 | 1 |
Wind in June
Winds average 5 km/h in June.
Across June, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
Sunrise & sunset in June
Daylight runs from about 13 h 12 min at the start of June to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over June. Sunrise moves from 5:26 AM to 5:29 AM, and sunset from 6:38 PM to 6:46 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 |
| Sunrise (AM) | 5:26 | 5:26 | 5:26 | 5:26 | 5:25 | 5:25 | 5:25 | 5:25 | 5:25 | 5:25 | 5:25 | 5:25 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:27 | 5:27 | 5:27 | 5:27 | 5:28 | 5:28 | 5:28 | 5:28 | 5:29 | 5:29 |
| Sunset (PM) | 6:38 | 6:38 | 6:39 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:44 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.2 | 5:26 | 6:38 |
| 2 | 13.2 | 5:26 | 6:38 |
| 3 | 13.2 | 5:26 | 6:39 |
| 4 | 13.2 | 5:26 | 6:39 |
| 5 | 13.2 | 5:25 | 6:39 |
| 6 | 13.2 | 5:25 | 6:40 |
| 7 | 13.2 | 5:25 | 6:40 |
| 8 | 13.3 | 5:25 | 6:41 |
| 9 | 13.3 | 5:25 | 6:41 |
| 10 | 13.3 | 5:25 | 6:41 |
| 11 | 13.3 | 5:25 | 6:42 |
| 12 | 13.3 | 5:25 | 6:42 |
| 13 | 13.3 | 5:26 | 6:42 |
| 14 | 13.3 | 5:26 | 6:43 |
| 15 | 13.3 | 5:26 | 6:43 |
| 16 | 13.3 | 5:26 | 6:43 |
| 17 | 13.3 | 5:26 | 6:44 |
| 18 | 13.3 | 5:26 | 6:44 |
| 19 | 13.3 | 5:26 | 6:44 |
| 20 | 13.3 | 5:26 | 6:44 |
| 21 | 13.3 | 5:27 | 6:45 |
| 22 | 13.3 | 5:27 | 6:45 |
| 23 | 13.3 | 5:27 | 6:45 |
| 24 | 13.3 | 5:27 | 6:45 |
| 25 | 13.3 | 5:28 | 6:45 |
| 26 | 13.3 | 5:28 | 6:46 |
| 27 | 13.3 | 5:28 | 6:46 |
| 28 | 13.3 | 5:28 | 6:46 |
| 29 | 13.3 | 5:29 | 6:46 |
| 30 | 13.3 | 5:29 | 6:46 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 4.63 kWh/m².
For context, solar energy here swings from a low near 3.14 kWh/m² to a high of 5.26 kWh/m² in April across the year — June's 4.63 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.6 | Bright |
| 20 | 4.6 | Bright |
| 21 | 4.6 | Bright |
| 22 | 4.6 | Bright |
| 23 | 4.6 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
Hazard calendar for Sơn La
In June, Sơn La sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
Sơn La's monsoon runs May–September, when most of the year's rain falls.
Is June a good time to visit Sơn La?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a weaker month for outdoor sightseeing in Sơn La.
What to pack for Sơn La in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Sơn La sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.
UV index in Sơn La in June
Clear-sky midday UV in June peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sơn La peaks around June 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 11 | 9 | 11 | 14 | 13 | 13 | 9 | 9 | 8 | 6 |
| Level | Very high | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 9 | Very high |
| Mar | 11 | Extreme |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 9 | Very high |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Sơn La in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Sơn La is worst in April — around 151 µg/m³ PM2.5 (very unhealthy), about 12.9× the cleanest month (August, 12 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 32 | 38 | 67 | 151 | 58 | 14 | 12 | 12 | 16 | 23 | 26 | 31 |
| Level | Moderate | Poor | Unhealthy | Very unhealthy | Unhealthy | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 32 | Moderate |
| Feb | 38 | Poor |
| Mar | 67 | Unhealthy |
| Apr | 151 | Very unhealthy |
| May | 58 | Unhealthy |
| Jun | 14 | Moderate |
| Jul | 12 | Good |
| Aug | 12 | Good |
| Sep | 16 | Moderate |
| Oct | 23 | Moderate |
| Nov | 26 | Moderate |
| Dec | 31 | Moderate |
Where is Sơn La?
Sơn La sits at 21.3°N, 103.9°E, 608 m above sea level, in Vietnam. The nearest listed city is Ít Ong, 24 km away.
Topography around Sơn La
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sơn La.
Within 3 km, the terrain around Sơn La has significant variations in elevation — a maximum elevation change of 348 m around an average of 674 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,404 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,830 m.
The land around Sơn La is covered by trees (59%) within 3 km, trees (69%) and grassland (21%) within 16 km, and trees (68%) and grassland (27%) within 80 km.
Vietnam travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / F
- 220 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,066
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2011
- Road deaths
- 30.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 500
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sơn La (21.3256°, 103.9188°, elevation 608 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).