US flagBozeman

United States · 43K

Lifestyle Calendar

When this city supports your activity — and when it fights you.

Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan: 0% viability
0
Feb: 0% viability
0
Mar: 7% viability
7
Apr: 21% viability
21
May: 41% viability
41
Jun: 74% viability
74
Jul: 88% viability
88
Aug: 84% viability
84
Sep: 60% viability
60
Oct: 19% viability
19
Nov: 0% viability
0
Dec: 0% viability
0
Friction Breakdown
Best months: Jun–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.

Annual Average
GoodWHO annual classification
5.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
5.45.4 µg/m³ — Good
4.54.5 µg/m³ — Excellent
4.14.1 µg/m³ — Excellent
3.53.5 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
4.14.1 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
5.65.6 µg/m³ — Good
9.79.7 µg/m³ — Good
1212 µg/m³ — Fair
5.05.0 µg/m³ — Excellent
4.74.7 µg/m³ — Excellent
5.45.4 µg/m³ — Good
Best months: Mar–MayWorst months: Jul–Sep
Excellent0–5 µg/m³Good5–10 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.

Annual Summary
Sunshine
2,718hrs/yr
Clear sky
53%
Worst month
3.8hrs/day
Vit D months
7.3months
UV 8+ days
58days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
6.06.0 hrsModerate
7.57.5 hrsGood
9.39.3 hrsSunny
1111 hrsVery Sunny
1111 hrsVery Sunny
1313 hrsVery Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1313 hrsVery Sunny
1212 hrsVery Sunny
1010 hrsSunny
8.48.4 hrsSunny
6.76.7 hrsGood
5.85.8 hrsModerate
Best months: Jun–AugWorst months: Jan, Nov–Dec
ModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●