Hoàn Lão weather in August
In August, Hoàn Lão sees average daytime highs of 31°C and overnight lows near 26°C, with 146 mm of rain across 13.5 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 11% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 12 h 48 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Hoàn Lão's 10th-clearest and 4th-windiest month. For the whole year in context, see Hoàn Lão's year-round climate.
- Daytime high
- 31°
- 3rd warmest
- Overnight low
- 26°
- 10th coldest
- Rainfall
- 146 mm
- 13.5 wet days
- Daylight
- 12 h 36 min
- 5:40 AM – 6:16 PM
- Cloud cover
- 81%
- 10th clearest
- Wind
- 15 km/h
- 4th windiest
- Solar energy
- 5 kWh/m²
- Travel score
- 3.9
- out of 10
Temperature in August
Day-to-day highs hold fairly steady near 31°C through the month.
A typical August day in Hoàn Lão reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.
| 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) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 27 |
| 2 | 31 | 27 |
| 3 | 31 | 27 |
| 4 | 31 | 27 |
| 5 | 31 | 27 |
| 6 | 31 | 27 |
| 7 | 31 | 27 |
| 8 | 31 | 27 |
| 9 | 31 | 27 |
| 10 | 31 | 27 |
| 11 | 31 | 27 |
| 12 | 31 | 27 |
| 13 | 31 | 27 |
| 14 | 31 | 27 |
| 15 | 31 | 26 |
| 16 | 31 | 26 |
| 17 | 31 | 26 |
| 18 | 31 | 26 |
| 19 | 31 | 26 |
| 20 | 31 | 26 |
| 21 | 31 | 26 |
| 22 | 31 | 26 |
| 23 | 31 | 26 |
| 24 | 31 | 26 |
| 25 | 31 | 26 |
| 26 | 31 | 26 |
| 27 | 31 | 26 |
| 28 | 31 | 26 |
| 29 | 31 | 26 |
| 30 | 31 | 26 |
| 31 | 31 | 26 |
How August really feels in Hoàn Lão
Once humidity and wind are folded in, August averages 31 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Hoàn Lão weather by month
How August compares with the rest of the year at a glance. August is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 18° | 125 | 17.4 | 11.1 | 5.2 |
| Feb | 22° / 18° | 77 | 13.8 | 11.4 | 5.8 |
| Mar | 25° / 21° | 82 | 13.3 | 11.9 | 6.2 |
| Apr | 28° / 23° | 88 | 12.8 | 12.4 | 5.6 |
| May | 30° / 26° | 112 | 14.7 | 12.8 | 4.2 |
| Jun | 32° / 27° | 63 | 8.1 | 13 | 3.9 |
| Jul | 32° / 27° | 94 | 10 | 12.9 | 3.9 |
| Aug | 31° / 26° | 146 | 13.5 | 12.6 | 3.9 |
| Sep | 29° / 25° | 345 | 19.6 | 12.1 | 3.9 |
| Oct | 27° / 24° | 531 | 24 | 11.6 | 4.5 |
| Nov | 25° / 21° | 366 | 20.9 | 11.2 | 4.9 |
| Dec | 22° / 19° | 228 | 20.3 | 11 | 4.8 |
Cloud cover in August
The sky is clear or mostly clear about 11% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 80%.
| 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 (%) | 19 | 19 | 20 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 21 |
| Cloudier (%) | 81 | 81 | 80 | 81 | 82 | 82 | 81 | 81 | 81 | 81 | 81 | 81 | 82 | 82 | 81 | 81 | 81 | 79 | 79 | 79 | 79 | 79 | 78 | 78 | 78 | 77 | 78 | 78 | 78 | 78 | 79 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 19 | 81 |
| 2 | 19 | 81 |
| 3 | 20 | 80 |
| 4 | 19 | 81 |
| 5 | 18 | 82 |
| 6 | 18 | 82 |
| 7 | 19 | 81 |
| 8 | 19 | 81 |
| 9 | 19 | 81 |
| 10 | 19 | 81 |
| 11 | 19 | 81 |
| 12 | 19 | 81 |
| 13 | 18 | 82 |
| 14 | 18 | 82 |
| 15 | 19 | 81 |
| 16 | 19 | 81 |
| 17 | 19 | 81 |
| 18 | 21 | 79 |
| 19 | 21 | 79 |
| 20 | 21 | 79 |
| 21 | 21 | 79 |
| 22 | 21 | 79 |
| 23 | 22 | 78 |
| 24 | 22 | 78 |
| 25 | 22 | 78 |
| 26 | 23 | 77 |
| 27 | 22 | 78 |
| 28 | 22 | 78 |
| 29 | 22 | 78 |
| 30 | 22 | 78 |
| 31 | 21 | 79 |
Chance of precipitation in August
Hoàn Lão gets around 146 mm of rain over 13.5 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 43% and peaks near 55% on the wettest days. The odds climb 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 (%) | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 35 | 35 | 35 | 36 | 37 | 37 | 38 | 39 | 41 | 42 | 43 | 45 | 47 | 48 | 50 | 51 | 52 | 52 | 53 | 53 | 54 | 54 | 55 | 55 |
| Rain chance (%) | |
|---|---|
| 1 | 39 |
| 2 | 38 |
| 3 | 38 |
| 4 | 37 |
| 5 | 36 |
| 6 | 36 |
| 7 | 35 |
| 8 | 35 |
| 9 | 35 |
| 10 | 35 |
| 11 | 36 |
| 12 | 37 |
| 13 | 37 |
| 14 | 38 |
| 15 | 39 |
| 16 | 41 |
| 17 | 42 |
| 18 | 43 |
| 19 | 45 |
| 20 | 47 |
| 21 | 48 |
| 22 | 50 |
| 23 | 51 |
| 24 | 52 |
| 25 | 52 |
| 26 | 53 |
| 27 | 53 |
| 28 | 54 |
| 29 | 54 |
| 30 | 55 |
| 31 | 55 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 70% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 77 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 73 | 73 | 72 | 71 | 70 | 69 | 68 | 66 | 65 | 64 | 64 | 63 | 62 | 62 | 62 | 62 | 62 | 62 |
| Miserable (%) | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 34 | 35 | 36 | 36 | 37 | 38 | 38 | 38 | 38 | 38 | 38 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 77 | 23 |
| 2 | 76 | 24 |
| 3 | 76 | 24 |
| 4 | 75 | 25 |
| 5 | 75 | 25 |
| 6 | 75 | 25 |
| 7 | 75 | 25 |
| 8 | 75 | 25 |
| 9 | 75 | 25 |
| 10 | 75 | 25 |
| 11 | 74 | 26 |
| 12 | 74 | 26 |
| 13 | 74 | 26 |
| 14 | 73 | 27 |
| 15 | 73 | 27 |
| 16 | 72 | 28 |
| 17 | 71 | 29 |
| 18 | 70 | 30 |
| 19 | 69 | 31 |
| 20 | 68 | 32 |
| 21 | 66 | 34 |
| 22 | 65 | 35 |
| 23 | 64 | 36 |
| 24 | 64 | 36 |
| 25 | 63 | 37 |
| 26 | 62 | 38 |
| 27 | 62 | 38 |
| 28 | 62 | 38 |
| 29 | 62 | 38 |
| 30 | 62 | 38 |
| 31 | 62 | 38 |
Wind in August
Winds average 15 km/h in August.
Across August, daily wind ranges from about 12 km/h on the calmest days to 17 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) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
| 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 | 17 | light breeze |
| 2 | 17 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 12 | light breeze |
| 29 | 12 | light breeze |
| 30 | 12 | light breeze |
| 31 | 12 | light breeze |
Sunrise & sunset in August
Daylight runs from about 12 h 48 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over August. Sunrise moves from 5:36 AM to 5:43 AM, and sunset from 6:24 PM to 6:05 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) | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 |
| Sunrise (AM) | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 | 5:37 | 5:38 | 5:38 | 5:38 | 5:39 | 5:39 | 5:39 | 5:39 | 5:40 | 5:40 | 5:40 | 5:40 | 5:40 | 5:41 | 5:41 | 5:41 | 5:41 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 | 5:43 | 5:43 | 5:43 |
| Sunset (PM) | 6:24 | 6:23 | 6:23 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:20 | 6:19 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:15 | 6:15 | 6:14 | 6:13 | 6:13 | 6:12 | 6:11 | 6:10 | 6:10 | 6:09 | 6:08 | 6:07 | 6:06 | 6:06 | 6:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 5:36 | 6:24 |
| 2 | 12.8 | 5:36 | 6:23 |
| 3 | 12.8 | 5:37 | 6:23 |
| 4 | 12.8 | 5:37 | 6:23 |
| 5 | 12.7 | 5:37 | 6:22 |
| 6 | 12.7 | 5:37 | 6:22 |
| 7 | 12.7 | 5:38 | 6:21 |
| 8 | 12.7 | 5:38 | 6:21 |
| 9 | 12.7 | 5:38 | 6:20 |
| 10 | 12.7 | 5:39 | 6:20 |
| 11 | 12.7 | 5:39 | 6:19 |
| 12 | 12.7 | 5:39 | 6:18 |
| 13 | 12.6 | 5:39 | 6:18 |
| 14 | 12.6 | 5:40 | 6:17 |
| 15 | 12.6 | 5:40 | 6:17 |
| 16 | 12.6 | 5:40 | 6:16 |
| 17 | 12.6 | 5:40 | 6:15 |
| 18 | 12.6 | 5:40 | 6:15 |
| 19 | 12.6 | 5:41 | 6:14 |
| 20 | 12.5 | 5:41 | 6:13 |
| 21 | 12.5 | 5:41 | 6:13 |
| 22 | 12.5 | 5:41 | 6:12 |
| 23 | 12.5 | 5:42 | 6:11 |
| 24 | 12.5 | 5:42 | 6:10 |
| 25 | 12.5 | 5:42 | 6:10 |
| 26 | 12.4 | 5:42 | 6:09 |
| 27 | 12.4 | 5:42 | 6:08 |
| 28 | 12.4 | 5:42 | 6:07 |
| 29 | 12.4 | 5:43 | 6:06 |
| 30 | 12.4 | 5:43 | 6:06 |
| 31 | 12.4 | 5:43 | 6:05 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5 kWh/m².
For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.68 kWh/m² in May across the year — August's 5 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) | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 |
| 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 | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.0 | Bright |
| 2 | 5.0 | Bright |
| 3 | 5.0 | Bright |
| 4 | 5.0 | Bright |
| 5 | 5.0 | Bright |
| 6 | 5.0 | Bright |
| 7 | 5.0 | Bright |
| 8 | 5.0 | Bright |
| 9 | 5.0 | Bright |
| 10 | 5.0 | Bright |
| 11 | 5.0 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.0 | Bright |
| 15 | 5.0 | Bright |
| 16 | 5.0 | Bright |
| 17 | 5.0 | Bright |
| 18 | 5.0 | Bright |
| 19 | 5.0 | Bright |
| 20 | 5.0 | Bright |
| 21 | 5.0 | Bright |
| 22 | 4.9 | Bright |
| 23 | 4.9 | Bright |
| 24 | 4.9 | Bright |
| 25 | 4.9 | Bright |
| 26 | 4.9 | Bright |
| 27 | 4.9 | Bright |
| 28 | 4.8 | Bright |
| 29 | 4.8 | Bright |
| 30 | 4.8 | Bright |
| 31 | 4.8 | Bright |
Hazard calendar for Hoàn Lão
In August, Hoàn Lão sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hoàn Lão sits in the Pacific typhoon belt; the season peaks July–October.
Hoàn Lão's monsoon runs September–November, when most of the year's rain falls.
Is August a good time to visit Hoàn Lão?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a weaker month for outdoor sightseeing in Hoàn Lão.
What to pack for Hoàn Lão in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Hoàn Lão sees daytime highs around 31°C and nights near 26°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.
Sea temperature near Hoàn Lão in August
The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore 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 Hoàn Lão in August
Clear-sky midday UV in August 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 Hoàn Lão peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (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 | 10 | 9 | 12 | 12 | 13 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Hoàn Lão in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Hoàn Lão 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 Hoàn Lão?
Hoàn Lão sits at 17.6°N, 106.5°E, 10 m above sea level, in Vietnam. The nearest listed city is Đồng Hới, 16 km away.
Topography around Hoàn Lão
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hoàn Lão.
Within 3 km, the terrain around Hoàn Lão has only modest variations in elevation — a maximum elevation change of 21 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 967 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,612 m.
The land around Hoàn Lão is covered by cropland (41%) within 3 km, water (42%) and trees (35%) within 16 km, and trees (61%) and water (32%) 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 Hoàn Lão (17.5844°, 106.5343°, elevation 10 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).