Cheonan
South Korea · 432K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
CheonanSouth Korea
South KoreaDinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 1% viability
1Mar: 11% viability
11Apr: 39% viability
39May: 73% viability
73Jun: 86% viability
86Jul: 74% viability
74Aug: 74% viability
74Sep: 86% viability
86Oct: 45% viability
45Nov: 7% viability
7Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: May–SepChallenging: Jan–Apr, Nov–Dec
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
CheonanSouth Korea
South KoreaAnnual Average
PoorWHO annual classification
25.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2727 µg/m³ — Poor
2929 µg/m³ — Poor
3131 µg/m³ — Poor
2727 µg/m³ — Poor
2525 µg/m³ — Moderate
2828 µg/m³ — Poor
2424 µg/m³ — Moderate
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2727 µg/m³ — Poor
2929 µg/m³ — Poor
3131 µg/m³ — Poor
2727 µg/m³ — Poor
2525 µg/m³ — Moderate
2828 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2424 µg/m³ — Moderate
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
Best months: Aug–OctWorst months: Feb–Mar, Jun
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
CheonanSouth Korea
South KoreaAnnual Summary
Sunshine
2,050hrs/yr
Clear sky
46%
Worst month
3.9hrs/day
Vit D months
7.0months
UV 8+ days
11days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
7.37.3 hrs — Good
8.38.3 hrs — Sunny
8.98.9 hrs — Sunny
9.69.6 hrs — Sunny
1111 hrs — Very Sunny
9.89.8 hrs — Sunny
7.97.9 hrs — Good
6.56.5 hrs — Good
8.28.2 hrs — Sunny
8.78.7 hrs — Sunny
7.57.5 hrs — Good
7.57.5 hrs — Good
Jan
Feb
Mar
Apr
May
Jun
7.37.3 hrs — Good
8.38.3 hrs — Sunny
8.98.9 hrs — Sunny
9.69.6 hrs — Sunny
1111 hrs — Very Sunny
9.89.8 hrs — Sunny
Jul
Aug
Sep
Oct
Nov
Dec
7.97.9 hrs — Good
6.56.5 hrs — Good
8.28.2 hrs — Sunny
8.78.7 hrs — Sunny
7.57.5 hrs — Good
7.57.5 hrs — Good
Best months: Apr–JunWorst months: Jan, Aug, Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●