Fort Collins
United States · 147K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Fort Collins
United States
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 0% viability
0Mar: 10% viability
10Apr: 31% viability
31May: 54% viability
54Jun: 87% viability
87Jul: 90% viability
90Aug: 92% viability
92Sep: 79% viability
79Oct: 26% viability
26Nov: 1% viability
1Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–SepChallenging: 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.
Fort Collins
United States
Annual Average
GoodWHO annual classification
5.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.15.1 µg/m³ — Good
5.05.0 µg/m³ — Excellent
5.45.4 µg/m³ — Good
4.84.8 µg/m³ — Excellent
5.05.0 µg/m³ — Excellent
6.86.8 µg/m³ — Good
6.56.5 µg/m³ — Good
6.76.7 µg/m³ — Good
7.07.0 µg/m³ — Good
5.25.2 µg/m³ — Good
4.54.5 µg/m³ — Excellent
5.05.0 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
5.15.1 µg/m³ — Good
5.05.0 µg/m³ — Excellent
5.45.4 µg/m³ — Good
4.84.8 µg/m³ — Excellent
5.05.0 µg/m³ — Excellent
6.86.8 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.56.5 µg/m³ — Good
6.76.7 µg/m³ — Good
7.07.0 µg/m³ — Good
5.25.2 µg/m³ — Good
4.54.5 µg/m³ — Excellent
5.05.0 µg/m³ — Excellent
Best months: Feb, Apr, NovWorst months: Jun, Aug–Sep
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.
Fort Collins
United States
Annual Summary
Sunshine
3,050hrs/yr
Clear sky
59%
Worst month
6.7hrs/day
Vit D months
8.6months
UV 8+ days
100days/yr
UV 11+ days
2days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
7.47.4 hrs — Good
8.78.7 hrs — Sunny
9.69.6 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
9.19.1 hrs — Sunny
8.28.2 hrs — Sunny
7.37.3 hrs — Good
Jan
Feb
Mar
Apr
May
Jun
7.47.4 hrs — Good
8.78.7 hrs — Sunny
9.69.6 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
9.19.1 hrs — Sunny
8.28.2 hrs — Sunny
7.37.3 hrs — Good
Best months: May–JulWorst months: Jan, Nov–Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●