Nghĩa Lộ weather in December
In December, Nghĩa Lộ sees average daytime highs of 17°C and overnight lows near 11°C, with 64 mm of rain across 10.9 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.
Highs ease over the month, from about 18°C in the first days to 17°C by the end. The sky is clear or mostly clear about 28% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 h 48 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is Nghĩa Lộ's 2nd-clearest and 8th-windiest month. For the whole year in context, see Nghĩa Lộ's year-round climate.
- Daytime high
- 17°
- 11th warmest
- Overnight low
- 11°
- 2nd coldest
- Rainfall
- 64 mm
- 10.9 wet days
- Daylight
- 10 h 42 min
- 6:37 AM – 5:19 PM
- Cloud cover
- 62%
- 2nd clearest
- Wind
- 4 km/h
- 8th windiest
- Solar energy
- 2.96 kWh/m²
- Travel score
- 5.4
- out of 10
Nghĩa Lộ is town in Yen Bai province, Vietnam.
- Density
- 2,304/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 18°C in the first days to 17°C by the end.
A typical December day in Nghĩa Lộ reaches about 17°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.
| 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) | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Avg low (°C) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 19 | 12 |
| 2 | 19 | 12 |
| 3 | 18 | 12 |
| 4 | 18 | 12 |
| 5 | 18 | 12 |
| 6 | 18 | 11 |
| 7 | 18 | 11 |
| 8 | 18 | 11 |
| 9 | 18 | 11 |
| 10 | 18 | 11 |
| 11 | 17 | 11 |
| 12 | 17 | 11 |
| 13 | 17 | 11 |
| 14 | 17 | 11 |
| 15 | 17 | 10 |
| 16 | 17 | 10 |
| 17 | 17 | 10 |
| 18 | 17 | 10 |
| 19 | 17 | 10 |
| 20 | 17 | 10 |
| 21 | 17 | 10 |
| 22 | 17 | 10 |
| 23 | 17 | 10 |
| 24 | 17 | 10 |
| 25 | 17 | 10 |
| 26 | 17 | 10 |
| 27 | 17 | 10 |
| 28 | 17 | 10 |
| 29 | 17 | 10 |
| 30 | 17 | 10 |
| 31 | 17 | 10 |
Nghĩa Lộ weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 16° / 10° | 75 | 13.8 | 10.8 | 4.5 |
| Feb | 18° / 11° | 71 | 14 | 11.3 | 5.1 |
| Mar | 21° / 14° | 134 | 18.1 | 11.8 | 5.3 |
| Apr | 25° / 17° | 194 | 20.6 | 12.5 | 5.1 |
| May | 27° / 20° | 300 | 23.6 | 13 | 4.4 |
| Jun | 28° / 22° | 318 | 25.2 | 13.3 | 3.8 |
| Jul | 27° / 21° | 413 | 26.4 | 13.2 | 3.8 |
| Aug | 27° / 21° | 439 | 28.1 | 12.7 | 3.7 |
| Sep | 26° / 20° | 290 | 23.4 | 12.1 | 4.4 |
| Oct | 24° / 17° | 153 | 17.5 | 11.5 | 5.6 |
| Nov | 21° / 14° | 83 | 12.4 | 11 | 6.0 |
| Dec | 17° / 11° | 64 | 10.9 | 10.7 | 5.4 |
Cloud cover in December
The sky is clear or mostly clear about 28% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 57%.
| 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 (%) | 39 | 39 | 38 | 38 | 37 | 37 | 37 | 37 | 38 | 39 | 39 | 41 | 42 | 43 | 44 | 45 | 47 | 47 | 48 | 48 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 47 | 45 | 43 | 42 |
| Cloudier (%) | 61 | 61 | 62 | 62 | 63 | 63 | 63 | 63 | 62 | 61 | 61 | 59 | 58 | 57 | 56 | 55 | 53 | 53 | 52 | 52 | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 53 | 55 | 57 | 58 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 39 | 61 |
| 2 | 39 | 61 |
| 3 | 38 | 62 |
| 4 | 38 | 62 |
| 5 | 37 | 63 |
| 6 | 37 | 63 |
| 7 | 37 | 63 |
| 8 | 37 | 63 |
| 9 | 38 | 62 |
| 10 | 39 | 61 |
| 11 | 39 | 61 |
| 12 | 41 | 59 |
| 13 | 42 | 58 |
| 14 | 43 | 57 |
| 15 | 44 | 56 |
| 16 | 45 | 55 |
| 17 | 47 | 53 |
| 18 | 47 | 53 |
| 19 | 48 | 52 |
| 20 | 48 | 52 |
| 21 | 50 | 50 |
| 22 | 50 | 50 |
| 23 | 49 | 51 |
| 24 | 49 | 51 |
| 25 | 49 | 51 |
| 26 | 48 | 52 |
| 27 | 48 | 52 |
| 28 | 47 | 53 |
| 29 | 45 | 55 |
| 30 | 43 | 57 |
| 31 | 42 | 58 |
Chance of precipitation in December
Nghĩa Lộ gets around 64 mm of rain over 10.9 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 35% and peaks near 43% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 43 | 42 | 42 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 33 | 32 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 34 | 34 | 35 | 36 | 37 | 38 |
| Rain chance (%) | |
|---|---|
| 1 | 43 |
| 2 | 42 |
| 3 | 42 |
| 4 | 42 |
| 5 | 41 |
| 6 | 40 |
| 7 | 39 |
| 8 | 38 |
| 9 | 37 |
| 10 | 36 |
| 11 | 35 |
| 12 | 33 |
| 13 | 32 |
| 14 | 31 |
| 15 | 31 |
| 16 | 30 |
| 17 | 30 |
| 18 | 30 |
| 19 | 30 |
| 20 | 30 |
| 21 | 31 |
| 22 | 31 |
| 23 | 32 |
| 24 | 32 |
| 25 | 33 |
| 26 | 34 |
| 27 | 34 |
| 28 | 35 |
| 29 | 36 |
| 30 | 37 |
| 31 | 38 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 66% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 65 | 67 | 68 | 69 | 70 | 71 | 71 | 71 | 72 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 72 |
| Comfortable (%) | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 26 |
| Humid (%) | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 |
| Muggy (%) | 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 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 46 | 39 | 14 | 1 |
| 2 | 48 | 38 | 13 | 1 |
| 3 | 50 | 37 | 12 | 1 |
| 4 | 52 | 36 | 11 | 1 |
| 5 | 54 | 35 | 10 | 1 |
| 6 | 56 | 34 | 9 | 1 |
| 7 | 58 | 33 | 8 | 1 |
| 8 | 60 | 32 | 7 | 1 |
| 9 | 62 | 31 | 6 | 1 |
| 10 | 64 | 31 | 5 | 0 |
| 11 | 65 | 30 | 5 | 0 |
| 12 | 67 | 29 | 4 | 0 |
| 13 | 68 | 28 | 4 | 0 |
| 14 | 69 | 28 | 3 | 0 |
| 15 | 70 | 27 | 3 | 0 |
| 16 | 71 | 26 | 3 | 0 |
| 17 | 71 | 26 | 3 | 0 |
| 18 | 71 | 26 | 3 | 0 |
| 19 | 72 | 25 | 3 | 0 |
| 20 | 73 | 25 | 2 | 0 |
| 21 | 73 | 25 | 2 | 0 |
| 22 | 74 | 24 | 2 | 0 |
| 23 | 74 | 24 | 2 | 0 |
| 24 | 74 | 24 | 2 | 0 |
| 25 | 74 | 24 | 2 | 0 |
| 26 | 74 | 24 | 2 | 0 |
| 27 | 74 | 25 | 1 | 0 |
| 28 | 74 | 25 | 1 | 0 |
| 29 | 74 | 25 | 1 | 0 |
| 30 | 73 | 26 | 1 | 0 |
| 31 | 72 | 26 | 2 | 0 |
Wind in December
Winds average 4 km/h in December.
Across December, daily wind ranges from about 3 km/h on the calmest days to 4 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) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| 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 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 3 | calm |
| 27 | 3 | calm |
| 28 | 3 | calm |
| 29 | 3 | calm |
| 30 | 3 | calm |
| 31 | 3 | calm |
Sunrise & sunset in December
Daylight runs from about 10 h 48 min at the start of December to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 6:28 AM to 6:44 AM, and sunset from 5:15 PM to 5:26 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) | 10.8 | 10.8 | 10.8 | 10.8 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 |
| Sunrise (AM) | 6:28 | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 |
| Sunset (PM) | 5:15 | 5:15 | 5:15 | 5:15 | 5:16 | 5:16 | 5:16 | 5:16 | 5:17 | 5:17 | 5:17 | 5:17 | 5:18 | 5:18 | 5:18 | 5:19 | 5:19 | 5:20 | 5:20 | 5:20 | 5:21 | 5:21 | 5:22 | 5:22 | 5:23 | 5:23 | 5:24 | 5:24 | 5:25 | 5:26 | 5:26 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.8 | 6:28 | 5:15 |
| 2 | 10.8 | 6:29 | 5:15 |
| 3 | 10.8 | 6:30 | 5:15 |
| 4 | 10.8 | 6:30 | 5:15 |
| 5 | 10.7 | 6:31 | 5:16 |
| 6 | 10.7 | 6:32 | 5:16 |
| 7 | 10.7 | 6:32 | 5:16 |
| 8 | 10.7 | 6:33 | 5:16 |
| 9 | 10.7 | 6:33 | 5:17 |
| 10 | 10.7 | 6:34 | 5:17 |
| 11 | 10.7 | 6:35 | 5:17 |
| 12 | 10.7 | 6:35 | 5:17 |
| 13 | 10.7 | 6:36 | 5:18 |
| 14 | 10.7 | 6:36 | 5:18 |
| 15 | 10.7 | 6:37 | 5:18 |
| 16 | 10.7 | 6:37 | 5:19 |
| 17 | 10.7 | 6:38 | 5:19 |
| 18 | 10.7 | 6:38 | 5:20 |
| 19 | 10.7 | 6:39 | 5:20 |
| 20 | 10.7 | 6:39 | 5:20 |
| 21 | 10.7 | 6:40 | 5:21 |
| 22 | 10.7 | 6:40 | 5:21 |
| 23 | 10.7 | 6:41 | 5:22 |
| 24 | 10.7 | 6:41 | 5:22 |
| 25 | 10.7 | 6:42 | 5:23 |
| 26 | 10.7 | 6:42 | 5:23 |
| 27 | 10.7 | 6:43 | 5:24 |
| 28 | 10.7 | 6:43 | 5:24 |
| 29 | 10.7 | 6:43 | 5:25 |
| 30 | 10.7 | 6:44 | 5:26 |
| 31 | 10.7 | 6:44 | 5:26 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.96 kWh/m².
For context, solar energy here swings from a low near 2.78 kWh/m² to a high of 4.92 kWh/m² in May across the year — December's 2.96 kWh/m² sits near the bottom.
| 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) | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.1 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 |
| 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 | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.0 | Moderate |
| 2 | 3.0 | Moderate |
| 3 | 2.9 | Moderate |
| 4 | 2.9 | Moderate |
| 5 | 2.9 | Moderate |
| 6 | 2.9 | Moderate |
| 7 | 2.9 | Moderate |
| 8 | 2.9 | Moderate |
| 9 | 2.9 | Moderate |
| 10 | 2.9 | Moderate |
| 11 | 2.9 | Moderate |
| 12 | 2.9 | Moderate |
| 13 | 3.0 | Moderate |
| 14 | 3.0 | Moderate |
| 15 | 3.0 | Moderate |
| 16 | 3.0 | Moderate |
| 17 | 3.0 | Moderate |
| 18 | 3.0 | Moderate |
| 19 | 3.0 | Moderate |
| 20 | 3.1 | Moderate |
| 21 | 3.1 | Moderate |
| 22 | 3.1 | Moderate |
| 23 | 3.1 | Moderate |
| 24 | 3.0 | Moderate |
| 25 | 3.0 | Moderate |
| 26 | 3.0 | Moderate |
| 27 | 3.0 | Moderate |
| 28 | 3.0 | Moderate |
| 29 | 3.0 | Moderate |
| 30 | 2.9 | Moderate |
| 31 | 2.9 | Moderate |
Hazard calendar for Nghĩa Lộ
None of Nghĩa Lộ's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Nghĩa Lộ's rainy season runs May–September, when most of the year's rain falls.
Is December a good time to visit Nghĩa Lộ?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Nghĩa Lộ for sightseeing.
What to pack for Nghĩa Lộ in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Nghĩa Lộ sees daytime highs around 17°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.
UV index in Nghĩa Lộ in December
Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nghĩa Lộ peaks around June 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 | 12 | 9 | 11 | 14 | 13 | 13 | 9 | 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 | 12 | 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 Nghĩa Lộ in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Nghĩa Lộ is worst in April — around 70 µg/m³ PM2.5 (unhealthy), about 4.5× the cleanest month (July, 16 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) | 43 | 48 | 64 | 70 | 34 | 18 | 16 | 17 | 23 | 30 | 37 | 42 |
| Level | Poor | Poor | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 43 | Poor |
| Feb | 48 | Poor |
| Mar | 64 | Unhealthy |
| Apr | 70 | Unhealthy |
| May | 34 | Moderate |
| Jun | 18 | Moderate |
| Jul | 16 | Moderate |
| Aug | 17 | Moderate |
| Sep | 23 | Moderate |
| Oct | 30 | Moderate |
| Nov | 37 | Poor |
| Dec | 42 | Poor |
Where is Nghĩa Lộ?
Nghĩa Lộ sits at 21.6°N, 104.5°E, 260 m above sea level, in Vietnam. The nearest listed city is Yên Bái, 43 km away.
Topography around Nghĩa Lộ
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nghĩa Lộ.
Within 3 km, the terrain around Nghĩa Lộ has only modest variations in elevation — a maximum elevation change of 242 m around an average of 279 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,218 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,909 m.
The land around Nghĩa Lộ is covered by cropland (41%) and trees (38%) within 3 km, trees (77%) 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 Nghĩa Lộ (21.6°, 104.5167°, elevation 260 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).