Quán Hàu weather in January
In January, Quán Hàu sees average daytime highs of 22°C and overnight lows near 20°C, with 131 mm of rain across 17.4 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 20% of the time in January, and the air most often feels muggy.
Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Quán Hàu's 7th-clearest and 4th-windiest month. For the whole year in context, see Quán Hàu's year-round climate.
- Daytime high
- 22°
- 12th warmest
- Overnight low
- 20°
- 1st coldest
- Rainfall
- 131 mm
- 17.4 wet days
- Daylight
- 11 h 06 min
- 6:31 AM – 5:35 PM
- Cloud cover
- 71%
- 7th clearest
- Wind
- 18 km/h
- 4th windiest
- Solar energy
- 2.96 kWh/m²
- Travel score
- 5.3
- out of 10
Quán Hàu is township in Quảng Bình, Vietnam.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 22°C through the month.
A typical January day in Quán Hàu reaches about 22°C in the afternoon and slips back to 20°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.
| 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) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg low (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 20 |
| 2 | 22 | 20 |
| 3 | 22 | 20 |
| 4 | 22 | 20 |
| 5 | 22 | 20 |
| 6 | 22 | 20 |
| 7 | 22 | 20 |
| 8 | 22 | 20 |
| 9 | 22 | 20 |
| 10 | 22 | 20 |
| 11 | 22 | 20 |
| 12 | 22 | 20 |
| 13 | 22 | 20 |
| 14 | 22 | 20 |
| 15 | 22 | 20 |
| 16 | 22 | 20 |
| 17 | 22 | 20 |
| 18 | 21 | 20 |
| 19 | 21 | 20 |
| 20 | 21 | 20 |
| 21 | 21 | 20 |
| 22 | 21 | 20 |
| 23 | 21 | 20 |
| 24 | 21 | 20 |
| 25 | 21 | 20 |
| 26 | 21 | 20 |
| 27 | 21 | 20 |
| 28 | 21 | 20 |
| 29 | 21 | 20 |
| 30 | 21 | 20 |
| 31 | 21 | 20 |
How January really feels in Quán Hàu
Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Quán Hàu weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 20° | 131 | 17.4 | 11.1 | 5.3 |
| Feb | 22° / 20° | 67 | 12.6 | 11.4 | 6.0 |
| Mar | 24° / 22° | 71 | 10.6 | 11.9 | 6.8 |
| Apr | 26° / 24° | 66 | 9.2 | 12.4 | 6.7 |
| May | 29° / 27° | 82 | 11.2 | 12.8 | 5.2 |
| Jun | 31° / 28° | 54 | 6 | 13 | 4.5 |
| Jul | 31° / 28° | 87 | 7.3 | 12.9 | 4.5 |
| Aug | 31° / 28° | 142 | 11.6 | 12.6 | 4.3 |
| Sep | 29° / 27° | 371 | 18.8 | 12.1 | 4.1 |
| Oct | 27° / 25° | 492 | 23.1 | 11.6 | 4.6 |
| Nov | 25° / 23° | 342 | 20.6 | 11.2 | 5.0 |
| Dec | 23° / 21° | 243 | 21.2 | 11 | 4.9 |
Cloud cover in January
The sky is clear or mostly clear about 20% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 65%.
| 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 (%) | 34 | 34 | 34 | 33 | 34 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 36 | 36 | 36 | 38 | 38 | 38 | 40 | 40 | 41 |
| Cloudier (%) | 66 | 66 | 66 | 67 | 66 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 64 | 64 | 64 | 62 | 62 | 62 | 60 | 60 | 59 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 34 | 66 |
| 2 | 34 | 66 |
| 3 | 34 | 66 |
| 4 | 33 | 67 |
| 5 | 34 | 66 |
| 6 | 35 | 65 |
| 7 | 35 | 65 |
| 8 | 34 | 66 |
| 9 | 34 | 66 |
| 10 | 34 | 66 |
| 11 | 34 | 66 |
| 12 | 34 | 66 |
| 13 | 33 | 67 |
| 14 | 33 | 67 |
| 15 | 33 | 67 |
| 16 | 33 | 67 |
| 17 | 33 | 67 |
| 18 | 33 | 67 |
| 19 | 34 | 66 |
| 20 | 34 | 66 |
| 21 | 34 | 66 |
| 22 | 34 | 66 |
| 23 | 36 | 64 |
| 24 | 36 | 64 |
| 25 | 36 | 64 |
| 26 | 38 | 62 |
| 27 | 38 | 62 |
| 28 | 38 | 62 |
| 29 | 40 | 60 |
| 30 | 40 | 60 |
| 31 | 41 | 59 |
Chance of precipitation in January
Quán Hàu gets around 131 mm of rain over 17.4 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 56% and peaks near 59% 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 (%) | 59 | 59 | 59 | 58 | 58 | 58 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 55 | 55 | 54 |
| Rain chance (%) | |
|---|---|
| 1 | 59 |
| 2 | 59 |
| 3 | 59 |
| 4 | 58 |
| 5 | 58 |
| 6 | 58 |
| 7 | 57 |
| 8 | 57 |
| 9 | 56 |
| 10 | 56 |
| 11 | 56 |
| 12 | 56 |
| 13 | 56 |
| 14 | 56 |
| 15 | 55 |
| 16 | 55 |
| 17 | 55 |
| 18 | 56 |
| 19 | 56 |
| 20 | 56 |
| 21 | 56 |
| 22 | 57 |
| 23 | 57 |
| 24 | 57 |
| 25 | 56 |
| 26 | 56 |
| 27 | 56 |
| 28 | 56 |
| 29 | 55 |
| 30 | 55 |
| 31 | 54 |
Humidity in January
Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the muggy band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 50% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 5 | 5 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Comfortable (%) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Humid (%) | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 30 | 30 |
| Muggy (%) | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 36 |
| Oppressive (%) | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 12 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 5 | 14 | 29 | 41 | 11 |
| 2 | 5 | 14 | 29 | 41 | 11 |
| 3 | 4 | 14 | 29 | 41 | 11 |
| 4 | 4 | 14 | 29 | 41 | 12 |
| 5 | 5 | 14 | 28 | 41 | 12 |
| 6 | 5 | 14 | 28 | 41 | 12 |
| 7 | 5 | 14 | 28 | 41 | 13 |
| 8 | 5 | 14 | 27 | 41 | 13 |
| 9 | 5 | 14 | 27 | 41 | 13 |
| 10 | 5 | 14 | 26 | 41 | 13 |
| 11 | 6 | 14 | 26 | 41 | 13 |
| 12 | 6 | 15 | 26 | 41 | 13 |
| 13 | 6 | 15 | 26 | 41 | 12 |
| 14 | 6 | 15 | 26 | 42 | 12 |
| 15 | 6 | 16 | 26 | 42 | 11 |
| 16 | 6 | 16 | 26 | 41 | 11 |
| 17 | 6 | 16 | 27 | 41 | 10 |
| 18 | 6 | 16 | 28 | 41 | 10 |
| 19 | 6 | 16 | 28 | 40 | 10 |
| 20 | 5 | 16 | 29 | 40 | 9 |
| 21 | 5 | 17 | 30 | 39 | 9 |
| 22 | 5 | 17 | 31 | 38 | 9 |
| 23 | 5 | 17 | 31 | 38 | 9 |
| 24 | 5 | 17 | 32 | 37 | 9 |
| 25 | 5 | 18 | 32 | 37 | 9 |
| 26 | 5 | 18 | 32 | 36 | 10 |
| 27 | 5 | 18 | 31 | 36 | 10 |
| 28 | 5 | 18 | 31 | 36 | 10 |
| 29 | 5 | 18 | 31 | 35 | 11 |
| 30 | 5 | 18 | 30 | 35 | 11 |
| 31 | 5 | 18 | 30 | 36 | 12 |
Wind in January
Winds average 18 km/h in January.
Across January, daily wind ranges from about 18 km/h on the calmest days to 19 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) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 19 | light breeze |
| 2 | 19 | light breeze |
| 3 | 19 | light breeze |
| 4 | 19 | light breeze |
| 5 | 19 | light breeze |
| 6 | 19 | light breeze |
| 7 | 19 | light breeze |
| 8 | 19 | light breeze |
| 9 | 19 | light breeze |
| 10 | 19 | light breeze |
| 11 | 19 | light breeze |
| 12 | 19 | light breeze |
| 13 | 19 | light breeze |
| 14 | 19 | light breeze |
| 15 | 19 | light breeze |
| 16 | 19 | light breeze |
| 17 | 19 | light breeze |
| 18 | 19 | light breeze |
| 19 | 19 | light breeze |
| 20 | 19 | light breeze |
| 21 | 19 | light breeze |
| 22 | 19 | light breeze |
| 23 | 19 | light breeze |
| 24 | 19 | light breeze |
| 25 | 19 | light breeze |
| 26 | 19 | light breeze |
| 27 | 18 | light breeze |
| 28 | 18 | light breeze |
| 29 | 18 | light breeze |
| 30 | 18 | light breeze |
| 31 | 18 | light breeze |
Sunrise & sunset in January
Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over January. Sunrise moves from 6:27 AM to 6:30 AM, and sunset from 5:26 PM to 5:43 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) | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 |
| Sunrise (AM) | 6:27 | 6:28 | 6:28 | 6:28 | 6:29 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 | 6:30 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:30 | 6:30 |
| Sunset (PM) | 5:26 | 5:26 | 5:27 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:30 | 5:31 | 5:32 | 5:32 | 5:33 | 5:33 | 5:34 | 5:35 | 5:35 | 5:36 | 5:36 | 5:37 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:42 | 5:42 | 5:43 | 5:43 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 6:27 | 5:26 |
| 2 | 11.0 | 6:28 | 5:26 |
| 3 | 11.0 | 6:28 | 5:27 |
| 4 | 11.0 | 6:28 | 5:28 |
| 5 | 11.0 | 6:29 | 5:28 |
| 6 | 11.0 | 6:29 | 5:29 |
| 7 | 11.0 | 6:29 | 5:29 |
| 8 | 11.0 | 6:29 | 5:30 |
| 9 | 11.0 | 6:30 | 5:30 |
| 10 | 11.0 | 6:30 | 5:31 |
| 11 | 11.0 | 6:30 | 5:32 |
| 12 | 11.0 | 6:30 | 5:32 |
| 13 | 11.0 | 6:30 | 5:33 |
| 14 | 11.0 | 6:31 | 5:33 |
| 15 | 11.1 | 6:31 | 5:34 |
| 16 | 11.1 | 6:31 | 5:35 |
| 17 | 11.1 | 6:31 | 5:35 |
| 18 | 11.1 | 6:31 | 5:36 |
| 19 | 11.1 | 6:31 | 5:36 |
| 20 | 11.1 | 6:31 | 5:37 |
| 21 | 11.1 | 6:31 | 5:38 |
| 22 | 11.1 | 6:31 | 5:38 |
| 23 | 11.1 | 6:31 | 5:39 |
| 24 | 11.1 | 6:31 | 5:39 |
| 25 | 11.1 | 6:31 | 5:40 |
| 26 | 11.2 | 6:31 | 5:40 |
| 27 | 11.2 | 6:31 | 5:41 |
| 28 | 11.2 | 6:31 | 5:42 |
| 29 | 11.2 | 6:31 | 5:42 |
| 30 | 11.2 | 6:30 | 5:43 |
| 31 | 11.2 | 6:30 | 5:43 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 2.96 kWh/m².
For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 5.96 kWh/m² in May across the year — January'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) | 2.8 | 2.8 | 2.8 | 2.8 | 2.9 | 2.9 | 2.9 | 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 | 3.0 | 3.1 | 3.1 | 3.1 | 3.1 | 3.2 | 3.2 |
| 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 | 2.8 | Moderate |
| 2 | 2.8 | Moderate |
| 3 | 2.8 | Moderate |
| 4 | 2.8 | 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 | 2.9 | Moderate |
| 14 | 2.9 | Moderate |
| 15 | 2.9 | Moderate |
| 16 | 2.9 | Moderate |
| 17 | 2.9 | Moderate |
| 18 | 3.0 | Moderate |
| 19 | 3.0 | Moderate |
| 20 | 3.0 | Moderate |
| 21 | 3.0 | Moderate |
| 22 | 3.0 | Moderate |
| 23 | 3.0 | Moderate |
| 24 | 3.0 | Moderate |
| 25 | 3.0 | Moderate |
| 26 | 3.1 | Moderate |
| 27 | 3.1 | Moderate |
| 28 | 3.1 | Moderate |
| 29 | 3.1 | Moderate |
| 30 | 3.2 | Moderate |
| 31 | 3.2 | Moderate |
Hazard calendar for Quán Hàu
In January, Quán Hàu sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Quán Hàu sits in the Pacific typhoon belt; the season peaks July–October.
Quán Hàu's monsoon runs September–December, when most of the year's rain falls.
Is January a good time to visit Quán Hàu?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Quán Hàu for sightseeing.
What to pack for Quán Hàu in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Quán Hàu sees daytime highs around 22°C and nights near 20°C. Pack rain gear. About 17 days see rain.
Sea temperature near Quán Hàu in January
The nearest coast averages about 22°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 25 km away) is warmest in August at about 30°C and coldest in February near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 22 | 23 | 25 | 28 | 29 | 29 | 30 | 29 | 28 | 26 | 24 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 25 | Warm |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Warm |
| Nov | 26 | Warm |
| Dec | 24 | Refreshing |
UV index in Quán Hàu in January
Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Quán Hàu peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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) | 8 | 10 | 9 | 9 | 12 | 12 | 13 | 13 | 11 | 10 | 8 | 6 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 9 | Very high |
| Apr | 9 | Very high |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Quán Hàu in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Quán Hàu is worst in April — around 65 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (July, 13 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) | 20 | 26 | 62 | 65 | 21 | 14 | 13 | 14 | 16 | 20 | 18 | 21 |
| Level | Moderate | Moderate | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 26 | Moderate |
| Mar | 62 | Unhealthy |
| Apr | 65 | Unhealthy |
| May | 21 | Moderate |
| Jun | 14 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 16 | Moderate |
| Oct | 20 | Moderate |
| Nov | 18 | Moderate |
| Dec | 21 | Moderate |
Where is Quán Hàu?
Quán Hàu sits at 17.4°N, 106.6°E, 13 m above sea level, in Vietnam. The nearest listed city is Đồng Hới, 7.0 km away.
Topography around Quán Hàu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Quán Hàu.
Within 3 km, the terrain around Quán Hàu has only modest variations in elevation — a maximum elevation change of 25 m around an average of 5 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 711 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,630 m.
The land around Quán Hàu is covered by cropland (30%) within 3 km, trees (35%) and water (35%) within 16 km, and trees (62%) and water (31%) 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 Quán Hàu (17.4044°, 106.6407°, elevation 13 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).