Hwaseong-si weather in March
In March, Hwaseong-si sees average daytime highs of 7°C and overnight lows near 3°C, with 42 mm of precipitation across 6.1 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 5°C in the first days to 9°C by the end. The sky is clear or mostly clear about 48% of the time in March, and the air most often feels dry.
Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Hwaseong-si's 2nd-clearest and 4th-windiest month. For the whole year in context, see Hwaseong-si's year-round climate.
- Daytime high
- 7°
- 9th warmest
- Overnight low
- 3°
- 4th coldest
- Precipitation
- 42 mm
- 6.1 wet days
- Daylight
- 11 h 42 min
- 6:51 AM – 6:34 PM
- Cloud cover
- 47%
- 2nd clearest
- Wind
- 15 km/h
- 4th windiest
- Solar energy
- 4.7 kWh/m²
- Travel score
- 1.1
- out of 10
Hwaseong-si is city in Gyeonggi Province, South Korea.
- Density
- 932/km²
- people per km²
- Founded
- 2001
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs climb over the month, from about 5°C in the first days to 9°C by the end.
A typical March day in Hwaseong-si reaches about 7°C in the afternoon and slips back to 3°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 11°C. Set against its neighbours, March runs about 4°C warmer than February and about 5°C cooler than 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) | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 |
| Avg low (°C) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 5 | 1 |
| 2 | 5 | 1 |
| 3 | 6 | 1 |
| 4 | 6 | 1 |
| 5 | 6 | 1 |
| 6 | 6 | 1 |
| 7 | 6 | 1 |
| 8 | 6 | 2 |
| 9 | 6 | 2 |
| 10 | 6 | 2 |
| 11 | 7 | 2 |
| 12 | 7 | 2 |
| 13 | 7 | 2 |
| 14 | 7 | 2 |
| 15 | 7 | 3 |
| 16 | 7 | 3 |
| 17 | 7 | 3 |
| 18 | 8 | 3 |
| 19 | 8 | 3 |
| 20 | 8 | 3 |
| 21 | 8 | 3 |
| 22 | 8 | 4 |
| 23 | 8 | 4 |
| 24 | 8 | 4 |
| 25 | 8 | 4 |
| 26 | 9 | 4 |
| 27 | 9 | 4 |
| 28 | 9 | 5 |
| 29 | 9 | 5 |
| 30 | 9 | 5 |
| 31 | 9 | 5 |
How March really feels in Hwaseong-si
Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 22 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in March is cold — wind chill drags the overnight "feels like" below the raw low.
Hwaseong-si weather by month
How March compares with the rest of the year at a glance. March is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 2° / -3° | 23 | 4.1 | 2.5 | 9.7 | 0.0 |
| Feb | 3° / -1° | 30 | 4.3 | 1.3 | 10.6 | 0.0 |
| Mar | 7° / 3° | 42 | 6.1 | 0.9 | 11.7 | 1.1 |
| Apr | 12° / 8° | 79 | 7.3 | 0 | 12.9 | 3.6 |
| May | 17° / 13° | 104 | 7.7 | 0 | 14 | 5.9 |
| Jun | 22° / 18° | 127 | 7.6 | 0 | 14.5 | 6.8 |
| Jul | 25° / 22° | 298 | 14.4 | 0 | 14.3 | 6.0 |
| Aug | 27° / 23° | 239 | 12.8 | 0 | 13.4 | 6.2 |
| Sep | 24° / 19° | 127 | 7.3 | 0 | 12.3 | 7.3 |
| Oct | 18° / 13° | 62 | 5.6 | 0 | 11 | 6.7 |
| Nov | 11° / 6° | 57 | 8.2 | 0.3 | 10 | 3.1 |
| Dec | 5° / -0° | 28 | 5.8 | 1.8 | 9.5 | 0.2 |
Cloud cover in March
The sky is clear or mostly clear about 48% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 39%.
| 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 (%) | 57 | 58 | 58 | 58 | 58 | 59 | 59 | 61 | 61 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 63 | 62 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 61 | 62 | 62 | 62 | 61 | 61 |
| Cloudier (%) | 43 | 42 | 42 | 42 | 42 | 41 | 41 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 37 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 39 | 38 | 38 | 38 | 39 | 39 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 57 | 43 |
| 2 | 58 | 42 |
| 3 | 58 | 42 |
| 4 | 58 | 42 |
| 5 | 58 | 42 |
| 6 | 59 | 41 |
| 7 | 59 | 41 |
| 8 | 61 | 39 |
| 9 | 61 | 39 |
| 10 | 61 | 39 |
| 11 | 61 | 39 |
| 12 | 62 | 38 |
| 13 | 62 | 38 |
| 14 | 62 | 38 |
| 15 | 62 | 38 |
| 16 | 62 | 38 |
| 17 | 63 | 37 |
| 18 | 62 | 38 |
| 19 | 62 | 38 |
| 20 | 62 | 38 |
| 21 | 62 | 38 |
| 22 | 62 | 38 |
| 23 | 62 | 38 |
| 24 | 61 | 39 |
| 25 | 61 | 39 |
| 26 | 61 | 39 |
| 27 | 62 | 38 |
| 28 | 62 | 38 |
| 29 | 62 | 38 |
| 30 | 61 | 39 |
| 31 | 61 | 39 |
Chance of precipitation in March
Hwaseong-si gets around 42 mm of rain and snow over 6.1 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 20% and peaks near 21% on the wettest days, and about 1 day brings snow.
| 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 (%) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Snow chance (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 20 | 4 |
| 2 | 20 | 4 |
| 3 | 20 | 4 |
| 4 | 20 | 4 |
| 5 | 20 | 4 |
| 6 | 20 | 4 |
| 7 | 20 | 4 |
| 8 | 19 | 4 |
| 9 | 19 | 4 |
| 10 | 19 | 3 |
| 11 | 19 | 3 |
| 12 | 19 | 3 |
| 13 | 19 | 3 |
| 14 | 19 | 3 |
| 15 | 19 | 3 |
| 16 | 19 | 3 |
| 17 | 19 | 2 |
| 18 | 19 | 2 |
| 19 | 20 | 2 |
| 20 | 20 | 2 |
| 21 | 20 | 2 |
| 22 | 20 | 2 |
| 23 | 20 | 2 |
| 24 | 20 | 2 |
| 25 | 21 | 2 |
| 26 | 21 | 2 |
| 27 | 21 | 2 |
| 28 | 21 | 1 |
| 29 | 21 | 1 |
| 30 | 21 | 1 |
| 31 | 21 | 1 |
Humidity in March
Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
| 31 | 100 |
Wind in March
Winds average 15 km/h in March.
Across March, daily wind ranges from about 15 km/h on the calmest days to 16 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) | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| 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 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | 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 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in March
Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 72 minutes over March. Sunrise moves from 7:13 AM to 6:28 AM, and sunset from 6:19 PM to 6:47 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) | 11.1 | 11.1 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 |
| Sunrise (AM) | 7:13 | 7:11 | 7:10 | 7:09 | 7:07 | 7:06 | 7:05 | 7:03 | 7:02 | 7:00 | 6:59 | 6:57 | 6:56 | 6:54 | 6:53 | 6:51 | 6:50 | 6:48 | 6:47 | 6:45 | 6:44 | 6:42 | 6:41 | 6:39 | 6:37 | 6:36 | 6:34 | 6:33 | 6:31 | 6:30 | 6:28 |
| Sunset (PM) | 6:19 | 6:20 | 6:21 | 6:22 | 6:23 | 6:24 | 6:25 | 6:26 | 6:27 | 6:28 | 6:29 | 6:30 | 6:31 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:36 | 6:37 | 6:38 | 6:39 | 6:40 | 6:41 | 6:42 | 6:43 | 6:44 | 6:44 | 6:45 | 6:46 | 6:47 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.1 | 7:13 | 6:19 |
| 2 | 11.1 | 7:11 | 6:20 |
| 3 | 11.2 | 7:10 | 6:21 |
| 4 | 11.2 | 7:09 | 6:22 |
| 5 | 11.3 | 7:07 | 6:23 |
| 6 | 11.3 | 7:06 | 6:24 |
| 7 | 11.3 | 7:05 | 6:25 |
| 8 | 11.4 | 7:03 | 6:26 |
| 9 | 11.4 | 7:02 | 6:27 |
| 10 | 11.5 | 7:00 | 6:28 |
| 11 | 11.5 | 6:59 | 6:29 |
| 12 | 11.5 | 6:57 | 6:30 |
| 13 | 11.6 | 6:56 | 6:31 |
| 14 | 11.6 | 6:54 | 6:32 |
| 15 | 11.7 | 6:53 | 6:33 |
| 16 | 11.7 | 6:51 | 6:34 |
| 17 | 11.7 | 6:50 | 6:34 |
| 18 | 11.8 | 6:48 | 6:35 |
| 19 | 11.8 | 6:47 | 6:36 |
| 20 | 11.9 | 6:45 | 6:37 |
| 21 | 11.9 | 6:44 | 6:38 |
| 22 | 11.9 | 6:42 | 6:39 |
| 23 | 12.0 | 6:41 | 6:40 |
| 24 | 12.0 | 6:39 | 6:41 |
| 25 | 12.1 | 6:37 | 6:42 |
| 26 | 12.1 | 6:36 | 6:43 |
| 27 | 12.2 | 6:34 | 6:44 |
| 28 | 12.2 | 6:33 | 6:44 |
| 29 | 12.2 | 6:31 | 6:45 |
| 30 | 12.3 | 6:30 | 6:46 |
| 31 | 12.3 | 6:28 | 6:47 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 4.7 kWh/m².
For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 5.83 kWh/m² in May across the year — March's 4.7 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) | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 |
| 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 | 4.1 | Bright |
| 2 | 4.1 | Bright |
| 3 | 4.2 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.3 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.5 | Bright |
| 11 | 4.5 | Bright |
| 12 | 4.5 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.8 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.9 | Bright |
| 21 | 4.9 | Bright |
| 22 | 4.9 | Bright |
| 23 | 5.0 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Hwaseong-si
In March, Hwaseong-si sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hwaseong-si sits in the Pacific typhoon belt; the season peaks July–October.
Hwaseong-si's rainy season runs July–August, when most of the year's rain falls.
Is March a good time to visit Hwaseong-si?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Hwaseong-si.
What to pack for Hwaseong-si in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Hwaseong-si sees daytime highs around 7°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat and sun protection. About 6 days see rain.
Sea temperature near Hwaseong-si in March
The nearest coast averages about 5°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 km away) is warmest in August at about 23°C and coldest in February near 4°C.
It's comfortable for a long swim from Jul 12 to Oct 14 — about 3.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 6 | 4 | 5 | 8 | 12 | 16 | 21 | 23 | 23 | 20 | 15 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 6 | Bracing |
| Feb | 4 | Bracing |
| Mar | 5 | Bracing |
| Apr | 8 | Bracing |
| May | 12 | Bracing |
| Jun | 16 | Cool |
| Jul | 21 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 20 | Cool |
| Nov | 15 | Cool |
| Dec | 10 | Bracing |
UV index in Hwaseong-si in March
Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hwaseong-si peaks around July 23 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 6 | 7 | 8 | 8 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | High | High | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Hwaseong-si 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 Hwaseong-si is worst in March — around 160 µg/m³ PM2.5 (very unhealthy), about 2.0× the cleanest month (August, 81 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) | 145 | 149 | 160 | 127 | 111 | 98 | 88 | 81 | 110 | 132 | 142 | 133 |
| Level | Unhealthy | Unhealthy | Very unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 145 | Unhealthy |
| Feb | 149 | Unhealthy |
| Mar | 160 | Very unhealthy |
| Apr | 127 | Unhealthy |
| May | 111 | Unhealthy |
| Jun | 98 | Unhealthy |
| Jul | 88 | Unhealthy |
| Aug | 81 | Unhealthy |
| Sep | 110 | Unhealthy |
| Oct | 132 | Unhealthy |
| Nov | 142 | Unhealthy |
| Dec | 133 | Unhealthy |
Where is Hwaseong-si?
Hwaseong-si sits at 37.2°N, 126.8°E, 19 m above sea level, in South Korea. The nearest listed city is Ansan, 13 km away.
Topography around Hwaseong-si
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hwaseong-si.
Within 3 km, the terrain around Hwaseong-si has only modest variations in elevation — a maximum elevation change of 186 m around an average of 45 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 320 m; within 80 km, large variations in elevation — a maximum elevation change of 1,126 m.
The land around Hwaseong-si is covered by trees (46%) and artificial surfaces (27%) within 3 km, trees (29%), artificial surfaces (25%) and cropland (22%) within 16 km, and trees (39%) and water (27%) within 80 km.
South Korea travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 220 V · 60 Hz
- Prices
- ≈ 57% of US
- price level, 2025
- GDP per capita
- $36,227
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.5
- per 100k, 2023
- Road deaths
- 8.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 522
- 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 Hwaseong-si (37.2068°, 126.8169°, elevation 19 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).