Lannion
France · 21K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Lannion
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: 10% viability
10Apr: 35% viability
35May: 56% viability
56Jun: 66% viability
66Jul: 74% viability
74Aug: 72% viability
72Sep: 54% viability
54Oct: 28% viability
28Nov: 4% viability
4Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jul, AugChallenging: Jan–Apr, 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.
Lannion
France
Annual Average
GoodWHO annual classification
6.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
9.19.1 µg/m³ — Good
8.28.2 µg/m³ — Good
8.88.8 µg/m³ — Good
7.97.9 µg/m³ — Good
6.26.2 µg/m³ — Good
6.16.1 µg/m³ — Good
5.15.1 µg/m³ — Good
4.44.4 µg/m³ — Excellent
5.15.1 µg/m³ — Good
6.26.2 µg/m³ — Good
7.67.6 µg/m³ — Good
8.78.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
9.19.1 µg/m³ — Good
8.28.2 µg/m³ — Good
8.88.8 µg/m³ — Good
7.97.9 µg/m³ — Good
6.26.2 µg/m³ — Good
6.16.1 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.15.1 µg/m³ — Good
4.44.4 µg/m³ — Excellent
5.15.1 µg/m³ — Good
6.26.2 µg/m³ — Good
7.67.6 µg/m³ — Good
8.78.7 µg/m³ — Good
Best months: Jul–SepWorst months: Jan, Mar, Dec
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Lannion
France
Annual Summary
Sunshine
1,992hrs/yr
Clear sky
37%
Worst month
1.2hrs/day
Vit D months
5.3months
UV 8+ days
0days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
3.53.5 hrs — Low
5.85.8 hrs — Moderate
7.47.4 hrs — Good
1010 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
8.48.4 hrs — Sunny
6.66.6 hrs — Good
5.05.0 hrs — Moderate
3.63.6 hrs — Low
Jan
Feb
Mar
Apr
May
Jun
3.53.5 hrs — Low
5.85.8 hrs — Moderate
7.47.4 hrs — Good
1010 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1111 hrs — Very Sunny
1010 hrs — Very Sunny
8.48.4 hrs — Sunny
6.66.6 hrs — Good
5.05.0 hrs — Moderate
3.63.6 hrs — Low
Best months: May–JulWorst months: Jan, Nov–Dec
LowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●