Kiên Hải weather in March
In March, Kiên Hải sees average daytime highs of 30°C and overnight lows near 26°C, with 38 mm of rain across 7.2 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 42% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Kiên Hải's 1st-clearest and 7th-windiest month. For the whole year in context, see Kiên Hải's year-round climate.
- Daytime high
- 30°
- 2nd warmest
- Overnight low
- 26°
- 6th coldest
- Rainfall
- 38 mm
- 7.2 wet days
- Daylight
- 11 h 54 min
- 6:12 AM – 6:08 PM
- Cloud cover
- 51%
- 1st clearest
- Wind
- 14 km/h
- 7th windiest
- Solar energy
- 6.05 kWh/m²
- Travel score
- 5.7
- out of 10
Temperature in March
Day-to-day highs hold fairly steady near 30°C through the month.
A typical March day in Kiên Hải reaches about 30°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, March runs about 1°C warmer than February and on par with April.
| 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| 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 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 26 |
| 2 | 29 | 26 |
| 3 | 29 | 26 |
| 4 | 29 | 26 |
| 5 | 29 | 26 |
| 6 | 29 | 26 |
| 7 | 29 | 26 |
| 8 | 29 | 26 |
| 9 | 29 | 26 |
| 10 | 29 | 26 |
| 11 | 29 | 26 |
| 12 | 29 | 26 |
| 13 | 29 | 26 |
| 14 | 29 | 26 |
| 15 | 30 | 26 |
| 16 | 30 | 26 |
| 17 | 30 | 26 |
| 18 | 30 | 26 |
| 19 | 30 | 26 |
| 20 | 30 | 26 |
| 21 | 30 | 26 |
| 22 | 30 | 26 |
| 23 | 30 | 26 |
| 24 | 30 | 26 |
| 25 | 30 | 27 |
| 26 | 30 | 27 |
| 27 | 30 | 27 |
| 28 | 30 | 27 |
| 29 | 30 | 27 |
| 30 | 30 | 27 |
| 31 | 30 | 27 |
How March really feels in Kiên Hải
Once humidity and wind are folded in, March 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 March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Kiên Hải weather by month
How March compares with the rest of the year at a glance. March is the 2nd-warmest and 10th-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 March
The sky is clear or mostly clear about 42% of the time in March, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 20% of March, with mostly cloudy or overcast conditions the remaining 38%.
| 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 (%) | 60 | 61 | 61 | 62 | 63 | 63 | 64 | 65 | 65 | 66 | 66 | 67 | 67 | 66 | 66 | 65 | 64 | 62 | 61 | 61 | 61 | 60 | 59 | 59 | 58 | 58 | 57 | 57 | 58 | 57 | 57 |
| Cloudier (%) | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 35 | 35 | 34 | 34 | 33 | 33 | 34 | 34 | 35 | 36 | 38 | 39 | 39 | 39 | 40 | 41 | 41 | 42 | 42 | 43 | 43 | 42 | 43 | 43 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 60 | 40 |
| 2 | 61 | 39 |
| 3 | 61 | 39 |
| 4 | 62 | 38 |
| 5 | 63 | 37 |
| 6 | 63 | 37 |
| 7 | 64 | 36 |
| 8 | 65 | 35 |
| 9 | 65 | 35 |
| 10 | 66 | 34 |
| 11 | 66 | 34 |
| 12 | 67 | 33 |
| 13 | 67 | 33 |
| 14 | 66 | 34 |
| 15 | 66 | 34 |
| 16 | 65 | 35 |
| 17 | 64 | 36 |
| 18 | 62 | 38 |
| 19 | 61 | 39 |
| 20 | 61 | 39 |
| 21 | 61 | 39 |
| 22 | 60 | 40 |
| 23 | 59 | 41 |
| 24 | 59 | 41 |
| 25 | 58 | 42 |
| 26 | 58 | 42 |
| 27 | 57 | 43 |
| 28 | 57 | 43 |
| 29 | 58 | 42 |
| 30 | 57 | 43 |
| 31 | 57 | 43 |
Chance of precipitation in March
Kiên Hải gets around 38 mm of rain over 7.2 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 24% and peaks near 38% 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 (%) | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 23 | 24 | 25 | 26 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 35 | 36 | 37 | 37 | 38 |
| Rain chance (%) | |
|---|---|
| 1 | 12 |
| 2 | 12 |
| 3 | 12 |
| 4 | 12 |
| 5 | 13 |
| 6 | 13 |
| 7 | 14 |
| 8 | 15 |
| 9 | 16 |
| 10 | 17 |
| 11 | 18 |
| 12 | 19 |
| 13 | 20 |
| 14 | 21 |
| 15 | 23 |
| 16 | 24 |
| 17 | 25 |
| 18 | 26 |
| 19 | 28 |
| 20 | 29 |
| 21 | 30 |
| 22 | 31 |
| 23 | 32 |
| 24 | 33 |
| 25 | 34 |
| 26 | 35 |
| 27 | 35 |
| 28 | 36 |
| 29 | 37 |
| 30 | 37 |
| 31 | 38 |
Humidity in March
Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the oppressive band about 80% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 86 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 84 | 84 | 83 | 82 | 81 | 80 | 78 | 75 | 73 | 71 | 69 | 67 | 65 | 63 | 61 |
| Miserable (%) | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 15 | 15 | 16 | 17 | 19 | 20 | 22 | 24 | 26 | 28 | 30 | 32 | 34 | 36 | 38 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 9 | 86 | 5 |
| 2 | 8 | 86 | 6 |
| 3 | 8 | 86 | 6 |
| 4 | 7 | 86 | 7 |
| 5 | 6 | 86 | 8 |
| 6 | 6 | 86 | 8 |
| 7 | 5 | 86 | 9 |
| 8 | 5 | 85 | 10 |
| 9 | 4 | 86 | 10 |
| 10 | 4 | 85 | 11 |
| 11 | 4 | 85 | 11 |
| 12 | 3 | 85 | 12 |
| 13 | 3 | 85 | 12 |
| 14 | 2 | 85 | 13 |
| 15 | 2 | 85 | 13 |
| 16 | 1 | 85 | 14 |
| 17 | 1 | 84 | 15 |
| 18 | 1 | 84 | 15 |
| 19 | 1 | 83 | 16 |
| 20 | 1 | 82 | 17 |
| 21 | 0 | 81 | 19 |
| 22 | 0 | 80 | 20 |
| 23 | 0 | 78 | 22 |
| 24 | 1 | 75 | 24 |
| 25 | 1 | 73 | 26 |
| 26 | 1 | 71 | 28 |
| 27 | 1 | 69 | 30 |
| 28 | 1 | 67 | 32 |
| 29 | 1 | 65 | 34 |
| 30 | 1 | 63 | 36 |
| 31 | 1 | 61 | 38 |
Wind in March
Winds average 14 km/h in March.
Across March, daily wind ranges from about 14 km/h on the calmest days to 14 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) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 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 | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | light breeze |
| 3 | 14 | light breeze |
| 4 | 14 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | 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 |
| 31 | 14 | light breeze |
Sunrise & sunset in March
Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over March. Sunrise moves from 6:20 AM to 6:03 AM, and sunset from 6:08 PM to 6:08 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) | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:20 | 6:20 | 6:19 | 6:19 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 | 6:09 | 6:09 | 6:08 | 6:08 | 6:07 | 6:06 | 6:06 | 6:05 | 6:05 | 6:04 | 6:03 |
| Sunset (PM) | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:20 | 6:08 |
| 2 | 11.8 | 6:20 | 6:08 |
| 3 | 11.8 | 6:19 | 6:08 |
| 4 | 11.8 | 6:19 | 6:08 |
| 5 | 11.8 | 6:18 | 6:08 |
| 6 | 11.8 | 6:18 | 6:08 |
| 7 | 11.8 | 6:17 | 6:08 |
| 8 | 11.9 | 6:17 | 6:08 |
| 9 | 11.9 | 6:16 | 6:08 |
| 10 | 11.9 | 6:16 | 6:08 |
| 11 | 11.9 | 6:15 | 6:08 |
| 12 | 11.9 | 6:15 | 6:08 |
| 13 | 11.9 | 6:14 | 6:08 |
| 14 | 11.9 | 6:13 | 6:08 |
| 15 | 11.9 | 6:13 | 6:08 |
| 16 | 11.9 | 6:12 | 6:08 |
| 17 | 11.9 | 6:12 | 6:08 |
| 18 | 12.0 | 6:11 | 6:08 |
| 19 | 12.0 | 6:11 | 6:08 |
| 20 | 12.0 | 6:10 | 6:08 |
| 21 | 12.0 | 6:09 | 6:08 |
| 22 | 12.0 | 6:09 | 6:08 |
| 23 | 12.0 | 6:08 | 6:08 |
| 24 | 12.0 | 6:08 | 6:08 |
| 25 | 12.0 | 6:07 | 6:08 |
| 26 | 12.0 | 6:06 | 6:08 |
| 27 | 12.0 | 6:06 | 6:08 |
| 28 | 12.0 | 6:05 | 6:08 |
| 29 | 12.1 | 6:05 | 6:08 |
| 30 | 12.1 | 6:04 | 6:08 |
| 31 | 12.1 | 6:03 | 6:08 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 6.05 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 — March's 6.05 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.0 | Bright |
| 2 | 6.0 | Bright |
| 3 | 6.0 | Bright |
| 4 | 6.0 | Bright |
| 5 | 6.0 | Intense |
| 6 | 6.0 | Intense |
| 7 | 6.0 | Intense |
| 8 | 6.0 | Intense |
| 9 | 6.0 | Intense |
| 10 | 6.0 | Intense |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.0 | Intense |
| 15 | 6.0 | Intense |
| 16 | 6.0 | Intense |
| 17 | 6.0 | Intense |
| 18 | 6.0 | Intense |
| 19 | 6.0 | Intense |
| 20 | 6.0 | Intense |
| 21 | 6.0 | Intense |
| 22 | 6.0 | Intense |
| 23 | 6.0 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.1 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Hazard calendar for Kiên Hải
In March, Kiên Hải sits inside its pacific typhoon 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 March a good time to visit Kiên Hải?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a reasonable time to visit Kiên Hải for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Kiên Hải in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Kiên Hải sees daytime highs around 30°C and nights near 26°C. Pack light clothes and sun protection. About 7 days see rain.
Sea temperature near Kiên Hải in March
The nearest coast averages about 29°C in March — 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 March
Clear-sky midday UV in March peaks around 12 (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 March
Average fine-particle pollution (PM2.5) through the year — so you can see where March 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).