Quán Hàu weather in April
In April, Quán Hàu sees average daytime highs of 26°C and overnight lows near 24°C, with 66 mm of rain across 9.2 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.
Highs climb over the month, from about 25°C in the first days to 28°C by the end. The sky is clear or mostly clear about 35% of the time in April, and the air most often feels oppressive.
Daylight stretches from about 12 h 06 min at the start of April to 12 h 36 min by month's end. Set against the rest of the year, April is Quán Hàu's 1st-clearest and 10th-windiest month. For the whole year in context, see Quán Hàu's year-round climate.
- Daytime high
- 26°
- 7th warmest
- Overnight low
- 24°
- 6th coldest
- Rainfall
- 66 mm
- 9.2 wet days
- Daylight
- 12 h 24 min
- 5:42 AM – 6:05 PM
- Cloud cover
- 56%
- 1st clearest
- Wind
- 15 km/h
- 10th windiest
- Solar energy
- 5.64 kWh/m²
- Travel score
- 6.7
- 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 April
Highs climb over the month, from about 25°C in the first days to 28°C by the end.
A typical April day in Quán Hàu reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.
| 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) | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 23 |
| 2 | 25 | 23 |
| 3 | 25 | 23 |
| 4 | 25 | 23 |
| 5 | 25 | 23 |
| 6 | 25 | 23 |
| 7 | 26 | 23 |
| 8 | 26 | 24 |
| 9 | 26 | 24 |
| 10 | 26 | 24 |
| 11 | 26 | 24 |
| 12 | 26 | 24 |
| 13 | 26 | 24 |
| 14 | 26 | 24 |
| 15 | 26 | 24 |
| 16 | 27 | 24 |
| 17 | 27 | 24 |
| 18 | 27 | 24 |
| 19 | 27 | 25 |
| 20 | 27 | 25 |
| 21 | 27 | 25 |
| 22 | 27 | 25 |
| 23 | 27 | 25 |
| 24 | 27 | 25 |
| 25 | 27 | 25 |
| 26 | 27 | 25 |
| 27 | 28 | 25 |
| 28 | 28 | 25 |
| 29 | 28 | 25 |
| 30 | 28 | 25 |
How April really feels in Quán Hàu
Once humidity and wind are folded in, April averages 1 day 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 April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Quán Hàu weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 11th-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 April
The sky is clear or mostly clear about 35% of the time in April, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 46%.
| 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 (%) | 50 | 51 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 52 | 53 | 53 | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 53 | 53 |
| Cloudier (%) | 50 | 49 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 48 | 47 | 47 | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 47 | 47 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 50 | 50 |
| 2 | 51 | 49 |
| 3 | 52 | 48 |
| 4 | 52 | 48 |
| 5 | 53 | 47 |
| 6 | 53 | 47 |
| 7 | 53 | 47 |
| 8 | 53 | 47 |
| 9 | 53 | 47 |
| 10 | 52 | 48 |
| 11 | 53 | 47 |
| 12 | 53 | 47 |
| 13 | 54 | 46 |
| 14 | 54 | 46 |
| 15 | 55 | 45 |
| 16 | 55 | 45 |
| 17 | 55 | 45 |
| 18 | 55 | 45 |
| 19 | 55 | 45 |
| 20 | 55 | 45 |
| 21 | 55 | 45 |
| 22 | 55 | 45 |
| 23 | 55 | 45 |
| 24 | 55 | 45 |
| 25 | 55 | 45 |
| 26 | 55 | 45 |
| 27 | 55 | 45 |
| 28 | 55 | 45 |
| 29 | 53 | 47 |
| 30 | 53 | 47 |
Chance of precipitation in April
Quán Hàu gets around 66 mm of rain over 9.2 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 31% and peaks near 35% 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 (%) | 34 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 34 | 35 | 35 |
| Rain chance (%) | |
|---|---|
| 1 | 34 |
| 2 | 34 |
| 3 | 33 |
| 4 | 33 |
| 5 | 32 |
| 6 | 32 |
| 7 | 32 |
| 8 | 32 |
| 9 | 31 |
| 10 | 31 |
| 11 | 30 |
| 12 | 30 |
| 13 | 30 |
| 14 | 29 |
| 15 | 29 |
| 16 | 29 |
| 17 | 29 |
| 18 | 29 |
| 19 | 29 |
| 20 | 29 |
| 21 | 30 |
| 22 | 30 |
| 23 | 31 |
| 24 | 31 |
| 25 | 32 |
| 26 | 32 |
| 27 | 33 |
| 28 | 34 |
| 29 | 35 |
| 30 | 35 |
Humidity in April
Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the oppressive band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 97% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 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 | 0 | 0 | 0 |
| Humid (%) | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Muggy (%) | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 |
| Oppressive (%) | 63 | 64 | 62 | 61 | 62 | 62 | 60 | 60 | 58 | 57 | 56 | 53 | 52 | 50 | 48 | 46 | 44 | 42 | 41 | 39 | 37 | 35 | 33 | 32 | 30 | 29 | 28 | 27 | 26 | 25 |
| Miserable (%) | 12 | 13 | 15 | 16 | 17 | 18 | 20 | 21 | 23 | 25 | 27 | 30 | 32 | 35 | 37 | 40 | 43 | 46 | 48 | 50 | 54 | 56 | 59 | 60 | 63 | 64 | 67 | 68 | 69 | 71 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 6 | 18 | 63 | 12 |
| 2 | 1 | 5 | 17 | 64 | 13 |
| 3 | 1 | 5 | 17 | 62 | 15 |
| 4 | 1 | 5 | 17 | 61 | 16 |
| 5 | 1 | 4 | 16 | 62 | 17 |
| 6 | 0 | 4 | 16 | 62 | 18 |
| 7 | 0 | 4 | 16 | 60 | 20 |
| 8 | 0 | 4 | 15 | 60 | 21 |
| 9 | 0 | 4 | 15 | 58 | 23 |
| 10 | 0 | 3 | 15 | 57 | 25 |
| 11 | 0 | 3 | 14 | 56 | 27 |
| 12 | 0 | 3 | 14 | 53 | 30 |
| 13 | 0 | 3 | 13 | 52 | 32 |
| 14 | 0 | 3 | 12 | 50 | 35 |
| 15 | 0 | 3 | 12 | 48 | 37 |
| 16 | 0 | 2 | 11 | 46 | 40 |
| 17 | 0 | 2 | 10 | 44 | 43 |
| 18 | 0 | 2 | 10 | 42 | 46 |
| 19 | 0 | 2 | 9 | 41 | 48 |
| 20 | 0 | 2 | 9 | 39 | 50 |
| 21 | 0 | 1 | 8 | 37 | 54 |
| 22 | 0 | 1 | 8 | 35 | 56 |
| 23 | 0 | 1 | 7 | 33 | 59 |
| 24 | 0 | 1 | 7 | 32 | 60 |
| 25 | 0 | 1 | 6 | 30 | 63 |
| 26 | 0 | 1 | 6 | 29 | 64 |
| 27 | 0 | 0 | 5 | 28 | 67 |
| 28 | 0 | 0 | 5 | 27 | 68 |
| 29 | 0 | 0 | 5 | 26 | 69 |
| 30 | 0 | 0 | 4 | 25 | 71 |
Wind in April
Winds average 15 km/h in April.
Across April, daily wind ranges from about 14 km/h on the calmest days to 15 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) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
Sunrise & sunset in April
Daylight runs from about 12 h 06 min at the start of April to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over April. Sunrise moves from 5:54 AM to 5:33 AM, and sunset from 6:03 PM to 6:09 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) | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 |
| Sunrise (AM) | 5:54 | 5:53 | 5:52 | 5:51 | 5:50 | 5:50 | 5:49 | 5:48 | 5:47 | 5:46 | 5:46 | 5:45 | 5:44 | 5:43 | 5:43 | 5:42 | 5:41 | 5:40 | 5:40 | 5:39 | 5:38 | 5:38 | 5:37 | 5:36 | 5:36 | 5:35 | 5:34 | 5:34 | 5:33 | 5:33 |
| Sunset (PM) | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 5:54 | 6:03 |
| 2 | 12.2 | 5:53 | 6:03 |
| 3 | 12.2 | 5:52 | 6:03 |
| 4 | 12.2 | 5:51 | 6:03 |
| 5 | 12.2 | 5:50 | 6:03 |
| 6 | 12.2 | 5:50 | 6:03 |
| 7 | 12.2 | 5:49 | 6:04 |
| 8 | 12.3 | 5:48 | 6:04 |
| 9 | 12.3 | 5:47 | 6:04 |
| 10 | 12.3 | 5:46 | 6:04 |
| 11 | 12.3 | 5:46 | 6:04 |
| 12 | 12.3 | 5:45 | 6:05 |
| 13 | 12.3 | 5:44 | 6:05 |
| 14 | 12.4 | 5:43 | 6:05 |
| 15 | 12.4 | 5:43 | 6:05 |
| 16 | 12.4 | 5:42 | 6:05 |
| 17 | 12.4 | 5:41 | 6:06 |
| 18 | 12.4 | 5:40 | 6:06 |
| 19 | 12.4 | 5:40 | 6:06 |
| 20 | 12.5 | 5:39 | 6:06 |
| 21 | 12.5 | 5:38 | 6:07 |
| 22 | 12.5 | 5:38 | 6:07 |
| 23 | 12.5 | 5:37 | 6:07 |
| 24 | 12.5 | 5:36 | 6:07 |
| 25 | 12.5 | 5:36 | 6:08 |
| 26 | 12.5 | 5:35 | 6:08 |
| 27 | 12.6 | 5:34 | 6:08 |
| 28 | 12.6 | 5:34 | 6:08 |
| 29 | 12.6 | 5:33 | 6:09 |
| 30 | 12.6 | 5:33 | 6:09 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.64 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 — April's 5.64 kWh/m² sits near the top of that range.
| 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) | 5.1 | 5.1 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 |
| 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 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.7 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.8 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 5.9 | Bright |
| 28 | 6.0 | Bright |
| 29 | 6.0 | Bright |
| 30 | 6.0 | Bright |
Hazard calendar for Quán Hàu
In April, 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 April a good time to visit Quán Hàu?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Quán Hàu for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Quán Hàu in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Quán Hàu sees daytime highs around 26°C and nights near 24°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.
Sea temperature near Quán Hàu in April
The nearest coast averages about 25°C in April — 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 April
Clear-sky midday UV in April peaks around 9 (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 April
Average fine-particle pollution (PM2.5) through the year — so you can see where April 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).