Kiên Hải weather in August
In August, Kiên Hải sees average daytime highs of 28°C and overnight lows near 26°C, with 350 mm of rain across 27.7 wet days and about 12.3 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 3% of the time in August, and the air most often feels miserable.
Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Kiên Hải's 11th-clearest and 1st-windiest month. For the whole year in context, see Kiên Hải's year-round climate.
- Daytime high
- 28°
- 10th warmest
- Overnight low
- 26°
- 8th coldest
- Rainfall
- 350 mm
- 27.7 wet days
- Daylight
- 12 h 18 min
- 5:55 AM – 6:15 PM
- Cloud cover
- 87%
- 11th clearest
- Wind
- 23 km/h
- 1st windiest
- Solar energy
- 4.67 kWh/m²
- Travel score
- 3.4
- out of 10
Temperature in August
Day-to-day highs hold fairly steady near 28°C through the month.
A typical August day in Kiên Hải reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with 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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 26 |
| 2 | 28 | 26 |
| 3 | 28 | 26 |
| 4 | 28 | 26 |
| 5 | 28 | 26 |
| 6 | 28 | 26 |
| 7 | 28 | 26 |
| 8 | 28 | 26 |
| 9 | 28 | 26 |
| 10 | 28 | 26 |
| 11 | 28 | 26 |
| 12 | 28 | 26 |
| 13 | 28 | 26 |
| 14 | 28 | 26 |
| 15 | 28 | 26 |
| 16 | 28 | 26 |
| 17 | 28 | 26 |
| 18 | 28 | 26 |
| 19 | 28 | 26 |
| 20 | 28 | 26 |
| 21 | 28 | 26 |
| 22 | 28 | 26 |
| 23 | 28 | 26 |
| 24 | 28 | 26 |
| 25 | 28 | 26 |
| 26 | 28 | 26 |
| 27 | 28 | 26 |
| 28 | 28 | 26 |
| 29 | 28 | 26 |
| 30 | 28 | 26 |
| 31 | 28 | 26 |
How August really feels in Kiên Hải
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.
Kiên Hải weather by month
How August compares with the rest of the year at a glance. August is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 25° | 21 | 4.7 | 11.5 | 6.8 |
| Feb | 29° / 25° | 13 | 3 | 11.7 | 6.6 |
| Mar | 30° / 26° | 38 | 7.2 | 11.9 | 5.7 |
| Apr | 30° / 27° | 92 | 15.6 | 12.2 | 4.4 |
| May | 29° / 27° | 267 | 26.5 | 12.5 | 3.2 |
| Jun | 29° / 27° | 346 | 26.8 | 12.6 | 3.2 |
| Jul | 28° / 27° | 373 | 28 | 12.5 | 3.3 |
| Aug | 28° / 26° | 350 | 27.7 | 12.3 | 3.4 |
| Sep | 28° / 26° | 380 | 26.9 | 12.1 | 3.5 |
| Oct | 28° / 26° | 316 | 27.5 | 11.8 | 3.5 |
| Nov | 29° / 26° | 119 | 16.8 | 11.5 | 4.6 |
| Dec | 28° / 25° | 54 | 8.7 | 11.4 | 6.0 |
Cloud cover in August
The sky is clear or mostly clear about 3% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 6% of August, with mostly cloudy or overcast conditions the remaining 91%.
| 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 (%) | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Cloudier (%) | 93 | 93 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 92 | 92 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 7 | 93 |
| 2 | 7 | 93 |
| 3 | 8 | 92 |
| 4 | 8 | 92 |
| 5 | 8 | 92 |
| 6 | 9 | 91 |
| 7 | 9 | 91 |
| 8 | 9 | 91 |
| 9 | 9 | 91 |
| 10 | 10 | 90 |
| 11 | 10 | 90 |
| 12 | 10 | 90 |
| 13 | 10 | 90 |
| 14 | 10 | 90 |
| 15 | 10 | 90 |
| 16 | 10 | 90 |
| 17 | 10 | 90 |
| 18 | 10 | 90 |
| 19 | 10 | 90 |
| 20 | 10 | 90 |
| 21 | 9 | 91 |
| 22 | 9 | 91 |
| 23 | 9 | 91 |
| 24 | 9 | 91 |
| 25 | 8 | 92 |
| 26 | 8 | 92 |
| 27 | 8 | 92 |
| 28 | 8 | 92 |
| 29 | 8 | 92 |
| 30 | 8 | 92 |
| 31 | 8 | 92 |
Chance of precipitation in August
Kiên Hải gets around 350 mm of rain over 27.7 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 89% and peaks near 91% 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 (%) | 91 | 91 | 91 | 90 | 90 | 89 | 89 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 88 | 88 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Rain chance (%) | |
|---|---|
| 1 | 91 |
| 2 | 91 |
| 3 | 91 |
| 4 | 90 |
| 5 | 90 |
| 6 | 89 |
| 7 | 89 |
| 8 | 88 |
| 9 | 88 |
| 10 | 87 |
| 11 | 87 |
| 12 | 87 |
| 13 | 87 |
| 14 | 87 |
| 15 | 87 |
| 16 | 87 |
| 17 | 87 |
| 18 | 88 |
| 19 | 88 |
| 20 | 89 |
| 21 | 89 |
| 22 | 89 |
| 23 | 90 |
| 24 | 90 |
| 25 | 90 |
| 26 | 90 |
| 27 | 90 |
| 28 | 90 |
| 29 | 90 |
| 30 | 90 |
| 31 | 90 |
Humidity in August
Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the miserable band about 92% 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 (%) | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 12 |
| Miserable (%) | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 91 | 91 | 90 | 90 | 90 | 89 | 89 | 88 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 7 | 93 |
| 2 | 7 | 93 |
| 3 | 7 | 93 |
| 4 | 7 | 93 |
| 5 | 6 | 94 |
| 6 | 6 | 94 |
| 7 | 6 | 94 |
| 8 | 6 | 94 |
| 9 | 6 | 94 |
| 10 | 6 | 94 |
| 11 | 6 | 94 |
| 12 | 6 | 94 |
| 13 | 6 | 94 |
| 14 | 6 | 94 |
| 15 | 6 | 94 |
| 16 | 6 | 94 |
| 17 | 7 | 93 |
| 18 | 7 | 93 |
| 19 | 7 | 93 |
| 20 | 8 | 92 |
| 21 | 8 | 92 |
| 22 | 8 | 92 |
| 23 | 8 | 92 |
| 24 | 9 | 91 |
| 25 | 9 | 91 |
| 26 | 10 | 90 |
| 27 | 10 | 90 |
| 28 | 10 | 90 |
| 29 | 11 | 89 |
| 30 | 11 | 89 |
| 31 | 12 | 88 |
Wind in August
Winds average 23 km/h in August, the windiest month of the year.
Across August, daily wind ranges from about 22 km/h on the calmest days to 24 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) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 24 | breezy |
| 2 | 24 | breezy |
| 3 | 24 | breezy |
| 4 | 24 | breezy |
| 5 | 24 | breezy |
| 6 | 24 | breezy |
| 7 | 24 | breezy |
| 8 | 24 | breezy |
| 9 | 24 | breezy |
| 10 | 24 | breezy |
| 11 | 24 | breezy |
| 12 | 24 | breezy |
| 13 | 24 | breezy |
| 14 | 23 | breezy |
| 15 | 23 | breezy |
| 16 | 23 | breezy |
| 17 | 23 | breezy |
| 18 | 23 | breezy |
| 19 | 23 | breezy |
| 20 | 23 | breezy |
| 21 | 23 | breezy |
| 22 | 23 | breezy |
| 23 | 23 | breezy |
| 24 | 23 | breezy |
| 25 | 22 | breezy |
| 26 | 22 | breezy |
| 27 | 22 | breezy |
| 28 | 22 | breezy |
| 29 | 22 | breezy |
| 30 | 22 | breezy |
| 31 | 22 | breezy |
Sunrise & sunset in August
Daylight runs from about 12 h 24 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over August. Sunrise moves from 5:53 AM to 5:55 AM, and sunset from 6:20 PM to 6:07 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) | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 |
| Sunrise (AM) | 5:53 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 |
| Sunset (PM) | 6:20 | 6:20 | 6:19 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:17 | 6:17 | 6:17 | 6:16 | 6:16 | 6:16 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 | 6:10 | 6:09 | 6:08 | 6:08 | 6:07 | 6:07 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 5:53 | 6:20 |
| 2 | 12.4 | 5:54 | 6:20 |
| 3 | 12.4 | 5:54 | 6:19 |
| 4 | 12.4 | 5:54 | 6:19 |
| 5 | 12.4 | 5:54 | 6:19 |
| 6 | 12.4 | 5:54 | 6:19 |
| 7 | 12.4 | 5:54 | 6:18 |
| 8 | 12.4 | 5:54 | 6:18 |
| 9 | 12.4 | 5:54 | 6:17 |
| 10 | 12.4 | 5:54 | 6:17 |
| 11 | 12.4 | 5:54 | 6:17 |
| 12 | 12.4 | 5:55 | 6:16 |
| 13 | 12.4 | 5:55 | 6:16 |
| 14 | 12.3 | 5:55 | 6:16 |
| 15 | 12.3 | 5:55 | 6:15 |
| 16 | 12.3 | 5:55 | 6:15 |
| 17 | 12.3 | 5:55 | 6:14 |
| 18 | 12.3 | 5:55 | 6:14 |
| 19 | 12.3 | 5:55 | 6:13 |
| 20 | 12.3 | 5:55 | 6:13 |
| 21 | 12.3 | 5:55 | 6:12 |
| 22 | 12.3 | 5:55 | 6:12 |
| 23 | 12.3 | 5:55 | 6:11 |
| 24 | 12.3 | 5:55 | 6:11 |
| 25 | 12.3 | 5:55 | 6:10 |
| 26 | 12.2 | 5:55 | 6:10 |
| 27 | 12.2 | 5:55 | 6:09 |
| 28 | 12.2 | 5:55 | 6:08 |
| 29 | 12.2 | 5:55 | 6:08 |
| 30 | 12.2 | 5:55 | 6:07 |
| 31 | 12.2 | 5:55 | 6:07 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 4.67 kWh/m².
For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.07 kWh/m² in April across the year — August's 4.67 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) | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 |
| 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 | 4.5 | Bright |
| 2 | 4.5 | Bright |
| 3 | 4.5 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.5 | Bright |
| 6 | 4.6 | Bright |
| 7 | 4.6 | Bright |
| 8 | 4.6 | Bright |
| 9 | 4.6 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.7 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.8 | Bright |
| 16 | 4.8 | Bright |
| 17 | 4.8 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.8 | Bright |
| 24 | 4.7 | Bright |
| 25 | 4.7 | Bright |
| 26 | 4.7 | Bright |
| 27 | 4.7 | Bright |
| 28 | 4.7 | Bright |
| 29 | 4.7 | Bright |
| 30 | 4.7 | Bright |
| 31 | 4.7 | Bright |
Hazard calendar for Kiên Hải
In August, Kiên Hải sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Kiên Hải sits in the Pacific typhoon belt; the season peaks July–October.
Kiên Hải's monsoon runs May–October, when most of the year's rain falls.
Is August a good time to visit Kiên Hải?
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 Kiên Hải.
What to pack for Kiên Hải in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Kiên Hải sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 28 days see rain.
Sea temperature near Kiên Hải in August
The nearest coast averages about 29°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 May at about 31°C and coldest in January near 27°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) | 27 | 28 | 29 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Kiên Hải 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 Kiên Hải peaks around August 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very 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) | 10 | 11 | 12 | 12 | 11 | 12 | 12 | 13 | 13 | 10 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 10 | Very high |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Kiên Hải 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 Kiên Hải is worst in January — around 45 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (August, 19 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) | 45 | 37 | 33 | 32 | 27 | 22 | 22 | 19 | 23 | 32 | 42 | 45 |
| Level | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 45 | Poor |
| Feb | 37 | Poor |
| Mar | 33 | Moderate |
| Apr | 32 | Moderate |
| May | 27 | Moderate |
| Jun | 22 | Moderate |
| Jul | 22 | Moderate |
| Aug | 19 | Moderate |
| Sep | 23 | Moderate |
| Oct | 32 | Moderate |
| Nov | 42 | Poor |
| Dec | 45 | Poor |
Where is Kiên Hải?
Kiên Hải sits at 10.0°N, 104.8°E, 18 m above sea level, in Vietnam. The nearest listed city is Rạch Giá, 26 km away.
Topography around Kiên Hải
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kiên Hải.
Within 3 km, the terrain around Kiên Hải has significant variations in elevation — a maximum elevation change of 400 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 400 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.
The land around Kiên Hải is covered by water (85%) within 3 km, water (98%) within 16 km, and water (48%) and cropland (41%) 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 Kiên Hải (9.9727°, 104.8475°, elevation 18 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).