Bac Yen

Province · Son La Province, 🇻🇳 Vietnam

Area 1,084 km²

Time zone Asia/Ho_Chi_Minh

Bac Yen

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Bac Yen — Map

Bac Yen — Map

Climate & when to visit

Best time to visit: January, February, March, November, December

Select a month

Typical weather in January

Great

19° (feels like 17°) · extremes 1°–26°
7° at night
4 rainy days
5 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 5 · moderate

Typical weather in February

Great

22° (feels like 21°) · extremes 2°–30°
9° at night
4 rainy days
5 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 6 · high

Typical weather in March

Great

26° · extremes 6°–33°
12° at night
9 rainy days
3 sunny days
4 hours of sunshine per day
Comfortable humidity
Calm winds
UV index 6 · high

Typical weather in April

Fair

29° (feels like 30°) · extremes 10°–35°
16° at night
14 rainy days
3 sunny days
5 hours of sunshine per day
Humid air
Calm winds
UV index 7 · high

Typical weather in May

Poor

29° (feels like 32°) · extremes 14°–35°
18° at night
20 rainy days
3 sunny days
6 hours of sunshine per day
Muggy, humid air
Calm winds
UV index 9 · very high

Typical weather in June

Poor

29° (feels like 32°) · extremes 18°–33°
20° at night
22 rainy days
2 sunny days
5 hours of sunshine per day
Muggy, humid air
Calm winds
UV index 9 · very high

Typical weather in July

Poor

28° (feels like 31°) · extremes 18°–32°
20° at night
24 rainy days
3 sunny days
5 hours of sunshine per day
Muggy, humid air
Calm winds
UV index 9 · very high

Typical weather in August

Poor

28° (feels like 31°) · extremes 18°–31°
19° at night
24 rainy days
2 sunny days
5 hours of sunshine per day
Muggy, humid air
Calm winds
UV index 8 · very high

Typical weather in September

Fair

27° (feels like 29°) · extremes 15°–30°
18° at night
19 rainy days
3 sunny days
5 hours of sunshine per day
Muggy, humid air
Calm winds
UV index 7 · high

Typical weather in October

Good

25° (feels like 26°) · extremes 11°–29°
15° at night
13 rainy days
2 sunny days
4 hours of sunshine per day
Humid air
Calm winds
UV index 6 · high

Typical weather in November

Great

22° · extremes 6°–28°
11° at night
7 rainy days
7 sunny days
5 hours of sunshine per day
Dry air
Calm winds
UV index 5 · moderate

Typical weather in December

Great

18° (feels like 17°) · extremes 1°–25°
7° at night
4 rainy days
6 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 4 · moderate

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency: Vietnamese Dong VND ₫ · Card payments · Commonly accepted
Electricity: Type A / Type C / Type F
220 V · 50 Hz

Languages: Vietnamese
Tap water: Not safe to drink
Driving side: Right
Calling code: +84

Tours & Activities

Related destinations

Son La Province

Data: © OpenStreetMap contributors, Wikidata, Wikipedia, Tripomatic, Official websites, geoBoundaries (CC BY 4.0).