Mường Lay weather in July
In July, Mường Lay sees average daytime highs of 29°C and overnight lows near 23°C, with 453 mm of rain across 29.4 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 3% of the time in July, and the air most often feels oppressive.
Daylight stretches from about 13 h 18 min at the start of July to 13 hours by month's end. Set against the rest of the year, July is Mường Lay's 11th-clearest and 9th-windiest month. For the whole year in context, see Mường Lay's year-round climate.
- Daytime high
- 29°
- 4th warmest
- Overnight low
- 23°
- 12th coldest
- Rainfall
- 453 mm
- 29.4 wet days
- Daylight
- 13 h 12 min
- 5:36 AM – 6:50 PM
- Cloud cover
- 90%
- 11th clearest
- Wind
- 2 km/h
- 9th windiest
- Solar energy
- 3.92 kWh/m²
- Travel score
- 3.0
- out of 10
Mường Lay is old town of Dien Bien province, Vietnam.
- Density
- 179/km²
- people per km²
- Founded
- 1971
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 29°C through the month.
A typical July day in Mường Lay reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, July runs on par with June and on par with August.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| 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 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 23 |
| 2 | 29 | 23 |
| 3 | 29 | 23 |
| 4 | 29 | 23 |
| 5 | 29 | 23 |
| 6 | 29 | 23 |
| 7 | 29 | 23 |
| 8 | 29 | 23 |
| 9 | 29 | 23 |
| 10 | 29 | 23 |
| 11 | 29 | 23 |
| 12 | 29 | 23 |
| 13 | 29 | 23 |
| 14 | 29 | 23 |
| 15 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 29 | 23 |
| 18 | 29 | 23 |
| 19 | 29 | 23 |
| 20 | 29 | 23 |
| 21 | 29 | 23 |
| 22 | 29 | 23 |
| 23 | 29 | 23 |
| 24 | 29 | 23 |
| 25 | 29 | 23 |
| 26 | 29 | 23 |
| 27 | 29 | 23 |
| 28 | 29 | 23 |
| 29 | 29 | 23 |
| 30 | 29 | 23 |
| 31 | 29 | 23 |
How July really feels in Mường Lay
Once humidity and wind are folded in, July averages 11 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Mường Lay weather by month
How July compares with the rest of the year at a glance. July is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 12° | 59 | 8 | 10.8 | 6.8 |
| Feb | 23° / 12° | 54 | 8.3 | 11.2 | 7.1 |
| Mar | 26° / 15° | 123 | 13.1 | 11.8 | 6.3 |
| Apr | 28° / 19° | 219 | 19.5 | 12.5 | 4.7 |
| May | 29° / 21° | 328 | 25.2 | 13 | 3.5 |
| Jun | 29° / 23° | 455 | 28.3 | 13.3 | 2.9 |
| Jul | 29° / 23° | 453 | 29.4 | 13.2 | 3.0 |
| Aug | 29° / 23° | 364 | 26.9 | 12.8 | 3.2 |
| Sep | 29° / 22° | 187 | 19.7 | 12.1 | 4.2 |
| Oct | 27° / 20° | 86 | 13.7 | 11.5 | 5.9 |
| Nov | 24° / 16° | 55 | 8 | 10.9 | 7.2 |
| Dec | 21° / 13° | 47 | 6.2 | 10.7 | 7.1 |
Cloud cover in July
The sky is clear or mostly clear about 3% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 6% of July, with mostly cloudy or overcast conditions the remaining 91%.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Cloudier (%) | 93 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 90 | 90 | 89 | 89 | 89 | 89 | 89 | 89 | 89 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 7 | 93 |
| 2 | 8 | 92 |
| 3 | 9 | 91 |
| 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 | 8 | 92 |
| 14 | 8 | 92 |
| 15 | 8 | 92 |
| 16 | 8 | 92 |
| 17 | 8 | 92 |
| 18 | 8 | 92 |
| 19 | 8 | 92 |
| 20 | 9 | 91 |
| 21 | 9 | 91 |
| 22 | 9 | 91 |
| 23 | 10 | 90 |
| 24 | 10 | 90 |
| 25 | 11 | 89 |
| 26 | 11 | 89 |
| 27 | 11 | 89 |
| 28 | 11 | 89 |
| 29 | 11 | 89 |
| 30 | 11 | 89 |
| 31 | 11 | 89 |
Chance of precipitation in July
Mường Lay gets around 453 mm of rain over 29.4 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 95% and peaks near 96% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 96 | 96 | 96 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 |
| Rain chance (%) | |
|---|---|
| 1 | 96 |
| 2 | 96 |
| 3 | 96 |
| 4 | 96 |
| 5 | 96 |
| 6 | 96 |
| 7 | 95 |
| 8 | 95 |
| 9 | 95 |
| 10 | 95 |
| 11 | 95 |
| 12 | 95 |
| 13 | 95 |
| 14 | 95 |
| 15 | 95 |
| 16 | 95 |
| 17 | 95 |
| 18 | 95 |
| 19 | 95 |
| 20 | 95 |
| 21 | 95 |
| 22 | 95 |
| 23 | 94 |
| 24 | 94 |
| 25 | 94 |
| 26 | 94 |
| 27 | 94 |
| 28 | 94 |
| 29 | 94 |
| 30 | 94 |
| 31 | 94 |
Humidity in July
Most of July feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the oppressive band about 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 97 | 97 | 97 | 96 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 97 | 97 |
| Miserable (%) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 97 | 3 |
| 2 | 0 | 97 | 3 |
| 3 | 0 | 97 | 3 |
| 4 | 1 | 96 | 3 |
| 5 | 1 | 97 | 2 |
| 6 | 1 | 97 | 2 |
| 7 | 1 | 97 | 2 |
| 8 | 1 | 97 | 2 |
| 9 | 1 | 97 | 2 |
| 10 | 1 | 97 | 2 |
| 11 | 1 | 97 | 2 |
| 12 | 1 | 97 | 2 |
| 13 | 1 | 97 | 2 |
| 14 | 1 | 97 | 2 |
| 15 | 0 | 98 | 2 |
| 16 | 0 | 98 | 2 |
| 17 | 0 | 98 | 2 |
| 18 | 0 | 98 | 2 |
| 19 | 0 | 98 | 2 |
| 20 | 0 | 98 | 2 |
| 21 | 0 | 98 | 2 |
| 22 | 0 | 98 | 2 |
| 23 | 0 | 98 | 2 |
| 24 | 0 | 98 | 2 |
| 25 | 0 | 97 | 3 |
| 26 | 0 | 97 | 3 |
| 27 | 0 | 97 | 3 |
| 28 | 0 | 97 | 3 |
| 29 | 0 | 97 | 3 |
| 30 | 0 | 97 | 3 |
| 31 | 0 | 97 | 3 |
Wind in July
Winds average 2 km/h in July.
Across July, daily wind ranges from about 2 km/h on the calmest days to 2 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 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 | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 2 | calm |
| 2 | 2 | calm |
| 3 | 2 | calm |
| 4 | 2 | calm |
| 5 | 2 | calm |
| 6 | 2 | calm |
| 7 | 2 | calm |
| 8 | 2 | calm |
| 9 | 2 | calm |
| 10 | 2 | calm |
| 11 | 2 | calm |
| 12 | 2 | calm |
| 13 | 2 | calm |
| 14 | 2 | calm |
| 15 | 2 | calm |
| 16 | 2 | calm |
| 17 | 2 | calm |
| 18 | 2 | calm |
| 19 | 2 | calm |
| 20 | 2 | calm |
| 21 | 2 | calm |
| 22 | 2 | calm |
| 23 | 2 | calm |
| 24 | 2 | calm |
| 25 | 2 | calm |
| 26 | 2 | calm |
| 27 | 2 | calm |
| 28 | 2 | calm |
| 29 | 2 | calm |
| 30 | 2 | calm |
| 31 | 2 | calm |
Sunrise & sunset in July
Daylight runs from about 13 h 18 min at the start of July to 13 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over July. Sunrise moves from 5:31 AM to 5:43 AM, and sunset from 6:51 PM to 6:45 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 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 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 |
| Sunrise (AM) | 5:31 | 5:31 | 5:32 | 5:32 | 5:32 | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:34 | 5:35 | 5:35 | 5:36 | 5:36 | 5:36 | 5:37 | 5:37 | 5:38 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 | 5:42 | 5:43 |
| Sunset (PM) | 6:51 | 6:51 | 6:51 | 6:51 | 6:51 | 6:51 | 6:51 | 6:51 | 6:51 | 6:51 | 6:51 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:49 | 6:49 | 6:49 | 6:49 | 6:48 | 6:48 | 6:48 | 6:47 | 6:47 | 6:46 | 6:46 | 6:46 | 6:45 | 6:45 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.3 | 5:31 | 6:51 |
| 2 | 13.3 | 5:31 | 6:51 |
| 3 | 13.3 | 5:32 | 6:51 |
| 4 | 13.3 | 5:32 | 6:51 |
| 5 | 13.3 | 5:32 | 6:51 |
| 6 | 13.3 | 5:33 | 6:51 |
| 7 | 13.3 | 5:33 | 6:51 |
| 8 | 13.3 | 5:33 | 6:51 |
| 9 | 13.3 | 5:34 | 6:51 |
| 10 | 13.3 | 5:34 | 6:51 |
| 11 | 13.3 | 5:34 | 6:51 |
| 12 | 13.3 | 5:35 | 6:50 |
| 13 | 13.3 | 5:35 | 6:50 |
| 14 | 13.2 | 5:36 | 6:50 |
| 15 | 13.2 | 5:36 | 6:50 |
| 16 | 13.2 | 5:36 | 6:50 |
| 17 | 13.2 | 5:37 | 6:50 |
| 18 | 13.2 | 5:37 | 6:49 |
| 19 | 13.2 | 5:38 | 6:49 |
| 20 | 13.2 | 5:38 | 6:49 |
| 21 | 13.2 | 5:38 | 6:49 |
| 22 | 13.2 | 5:39 | 6:48 |
| 23 | 13.1 | 5:39 | 6:48 |
| 24 | 13.1 | 5:40 | 6:48 |
| 25 | 13.1 | 5:40 | 6:47 |
| 26 | 13.1 | 5:40 | 6:47 |
| 27 | 13.1 | 5:41 | 6:46 |
| 28 | 13.1 | 5:41 | 6:46 |
| 29 | 13.1 | 5:42 | 6:46 |
| 30 | 13.0 | 5:42 | 6:45 |
| 31 | 13.0 | 5:43 | 6:45 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 3.92 kWh/m².
For context, solar energy here swings from a low near 3.09 kWh/m² to a high of 5.2 kWh/m² in April across the year — July's 3.92 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.9 | Moderate |
| 2 | 3.9 | Moderate |
| 3 | 3.9 | Moderate |
| 4 | 3.9 | Moderate |
| 5 | 3.9 | Moderate |
| 6 | 3.9 | Moderate |
| 7 | 3.9 | Moderate |
| 8 | 3.9 | Moderate |
| 9 | 3.9 | Moderate |
| 10 | 3.9 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 3.9 | Moderate |
| 13 | 3.9 | Moderate |
| 14 | 3.9 | Moderate |
| 15 | 3.9 | Moderate |
| 16 | 3.9 | Moderate |
| 17 | 3.9 | Moderate |
| 18 | 3.9 | Moderate |
| 19 | 3.9 | Moderate |
| 20 | 3.9 | Moderate |
| 21 | 3.9 | Moderate |
| 22 | 3.9 | Moderate |
| 23 | 4.0 | Moderate |
| 24 | 4.0 | Moderate |
| 25 | 4.0 | Moderate |
| 26 | 4.0 | Bright |
| 27 | 4.0 | Bright |
| 28 | 4.0 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.1 | Bright |
| 31 | 4.1 | Bright |
Hazard calendar for Mường Lay
In July, Mường Lay sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
Mường Lay's monsoon runs April–August, when most of the year's rain falls.
Is July a good time to visit Mường Lay?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a weaker month for outdoor sightseeing in Mường Lay.
What to pack for Mường Lay in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Mường Lay sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 29 days see rain.
UV index in Mường Lay in July
Clear-sky midday UV in July peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mường Lay peaks around June 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 | 12 | 10 | 9 | 8 | 6 |
| Level | High | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 11 | Extreme |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 12 | Extreme |
| Sep | 10 | Very high |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Mường Lay in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Mường Lay is worst in April — around 99 µg/m³ PM2.5 (unhealthy), about 8.1× the cleanest month (July, 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) | 31 | 41 | 73 | 99 | 32 | 14 | 12 | 13 | 17 | 23 | 26 | 30 |
| Level | Moderate | Poor | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 31 | Moderate |
| Feb | 41 | Poor |
| Mar | 73 | Unhealthy |
| Apr | 99 | Unhealthy |
| May | 32 | Moderate |
| Jun | 14 | Moderate |
| Jul | 12 | Moderate |
| Aug | 13 | Moderate |
| Sep | 17 | Moderate |
| Oct | 23 | Moderate |
| Nov | 26 | Moderate |
| Dec | 30 | Moderate |
Where is Mường Lay?
Mường Lay sits at 22.0°N, 103.1°E, 496 m above sea level, in Vietnam. The nearest listed city is Lai Châu, 55 km away.
Topography around Mường Lay
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mường Lay.
Within 3 km, the terrain around Mường Lay has large variations in elevation — a maximum elevation change of 987 m around an average of 501 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,867 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,950 m.
The land around Mường Lay is covered by trees (78%) within 3 km, trees (80%) within 16 km, and trees (80%) 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 Mường Lay (22°, 103.1333°, elevation 496 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).