Osny
France · 17K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Osny
France
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 1% viability
1Mar: 12% viability
12Apr: 44% viability
44May: 68% viability
68Jun: 81% viability
81Jul: 84% viability
84Aug: 81% viability
81Sep: 71% viability
71Oct: 37% viability
37Nov: 3% viability
3Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–SepChallenging: Jan–Mar, Oct–Dec
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Osny
France
Annual Average
GoodWHO annual classification
7.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1212 µg/m³ — Fair
7.57.5 µg/m³ — Good
9.49.4 µg/m³ — Good
1010 µg/m³ — Fair
6.66.6 µg/m³ — Good
7.67.6 µg/m³ — Good
6.36.3 µg/m³ — Good
5.65.6 µg/m³ — Good
5.75.7 µg/m³ — Good
7.17.1 µg/m³ — Good
7.87.8 µg/m³ — Good
9.39.3 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
1212 µg/m³ — Fair
7.57.5 µg/m³ — Good
9.49.4 µg/m³ — Good
1010 µg/m³ — Fair
6.66.6 µg/m³ — Good
7.67.6 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.36.3 µg/m³ — Good
5.65.6 µg/m³ — Good
5.75.7 µg/m³ — Good
7.17.1 µg/m³ — Good
7.87.8 µg/m³ — Good
9.39.3 µg/m³ — Good
Best months: Jul–SepWorst months: Jan, Mar–Apr
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Osny
France
Annual Summary
Sunshine
1,756hrs/yr
Clear sky
34%
Worst month
0.5hrs/day
Vit D months
4.9months
UV 8+ days
0days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
2.02.0 hrs — Dark
5.75.7 hrs — Moderate
7.07.0 hrs — Good
9.69.6 hrs — Sunny
1010 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
9.49.4 hrs — Sunny
8.98.9 hrs — Sunny
6.06.0 hrs — Moderate
3.73.7 hrs — Low
2.02.0 hrs — Dark
Jan
Feb
Mar
Apr
May
Jun
2.02.0 hrs — Dark
5.75.7 hrs — Moderate
7.07.0 hrs — Good
9.69.6 hrs — Sunny
1010 hrs — Very Sunny
1111 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1111 hrs — Very Sunny
9.49.4 hrs — Sunny
8.98.9 hrs — Sunny
6.06.0 hrs — Moderate
3.73.7 hrs — Low
2.02.0 hrs — Dark
Best months: May–JulWorst months: Jan, Nov–Dec
DarkLowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●