Hwaseong-si, South Korea is a 641K-resident city with 197 sunny days and 57 frost days annually and an annual PM2.5 of 25.5 µg/m³. A city in South Korea.
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Dinner outside
Monthly climate metrics across temperature, precipitation, wind, and UV.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 5 | 7 | 11 | 16 | 19 | 24 | 28 | 28 | 26 | 20 | 15 | 7 | 17 |
| Daily mean°C | 0 | 3 | 7 | 12 | 17 | 21 | 25 | 26 | 23 | 17 | 10 | 3 | 14 |
| Daily low°C | -4 | -3 | 3 | 9 | 14 | 19 | 23 | 24 | 21 | 12 | 4 | -5 | 10 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 6 | 9 | 15 | 19 | 23 | 29 | 34 | 34 | 30 | 24 | 18 | 7 | 21 |
| Mean feelsDaily mean feels-like°C | -7 | -3 | 3 | 11 | 17 | 23 | 27 | 28 | 23 | 16 | 5 | -5 | 11 |
| Low feelsDaily low feels-like°C | -22 | -19 | -9 | 0 | 8 | 17 | 22 | 22 | 17 | 3 | -8 | -23 | 1 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 64 | 69 | 70 | 70 | 76 | 83 | 87 | 84 | 75 | 70 | 69 | 63 | 73 |
| Dewpoint°C | -5.6 | -0.7 | 2.0 | 6.3 | 12.6 | 18.2 | 23.2 | 23.9 | 18.1 | 11.1 | 5.0 | -5.1 | 9.1 |
| Precipitation | |||||||||||||
| Rainfallmm | 17 | 6 | 32 | 54 | 100 | 128 | 334 | 331 | 198 | 54 | 76 | 8 | 1338 |
| Rain days≥1mm | 4 | 2 | 5 | 7 | 7 | 9 | 15 | 12 | 10 | 6 | 8 | 4 | 89 |
| Snowfallmm | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
| Snow days≥1mm | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Wind | |||||||||||||
| Wind avgm/s | 3.7 | 3.5 | 3.8 | 3.8 | 3.7 | 3.3 | 3.0 | 3.0 | 3.3 | 3.0 | 3.4 | 4.0 | 3.5 |
| Wind gustsm/s | 8.8 | 8.5 | 7.9 | 7.2 | 7.1 | 6.6 | 7.1 | 6.7 | 6.4 | 7.6 | 8.5 | 8.6 | 7.6 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 7.6 | 8.7 | 9.6 | 9.9 | 10.4 | 9.6 | 8.0 | 7.5 | 9.0 | 8.8 | 7.7 | 7.6 | 8.7 |
| Clear skyindex | 43% | 60% | 54% | 51% | 49% | 49% | 36% | 33% | 49% | 55% | 63% | 59% | 50% |
| UV indexmax avg | 1.7 | 2.5 | 3.7 | 5.0 | 6.2 | 5.9 | 5.9 | 5.1 | 5.5 | 3.8 | 2.2 | 1.6 | 4.1 |
Hwaseong-si offers a solid outdoor season. Even dinner outside manages 3/12 months, while walking is comfortable 11/12 months — impressive.
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Air Quality
Hwaseong-si reports an annual PM2.5 of 25.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Hwaseong-si reports an annual PM2.5 of 25.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
PM2.5 annual average of 25.5 µg/m³ exceeds the WHO interim target of 15 µg/m³. The WHO guideline value is 5 µg/m³.
Data sources: WHO (air quality), OECD (safety).
Why not Hwaseong-si? Honestly, air quality is a meaningful downside — at 25.5 µg/m³ annual PM2.5, Hwaseong-si sits above the EU limit, which may matter for allergy sufferers or long-term residents.