Williston
United States · 27K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Williston
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: 8% viability
8Apr: 23% viability
23May: 53% viability
53Jun: 79% viability
79Jul: 82% viability
82Aug: 80% viability
80Sep: 73% viability
73Oct: 21% viability
21Nov: 0% viability
0Dec: 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.
Williston
United States
Annual Average
GoodWHO annual classification
5.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.55.5 µg/m³ — Good
4.44.4 µg/m³ — Excellent
4.34.3 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
5.25.2 µg/m³ — Good
4.64.6 µg/m³ — Excellent
8.68.6 µg/m³ — Good
1010 µg/m³ — Fair
6.36.3 µg/m³ — Good
6.46.4 µg/m³ — Good
4.64.6 µg/m³ — Excellent
5.65.6 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.55.5 µg/m³ — Good
4.44.4 µg/m³ — Excellent
4.34.3 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
5.25.2 µg/m³ — Good
4.64.6 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
8.68.6 µg/m³ — Good
1010 µg/m³ — Fair
6.36.3 µg/m³ — Good
6.46.4 µg/m³ — Good
4.64.6 µg/m³ — Excellent
5.65.6 µg/m³ — Good
Best months: Feb–AprWorst months: Jul–Aug, Oct
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.
Williston
United States
Annual Summary
Sunshine
2,565hrs/yr
Clear sky
51%
Worst month
3.5hrs/day
Vit D months
6.2months
UV 8+ days
10days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
6.06.0 hrs — Moderate
7.67.6 hrs — Good
9.19.1 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1313 hrs — Very Sunny
1212 hrs — Very Sunny
1010 hrs — Very Sunny
8.48.4 hrs — Sunny
6.16.1 hrs — Good
5.45.4 hrs — Moderate
Jan
Feb
Mar
Apr
May
Jun
6.06.0 hrs — Moderate
7.67.6 hrs — Good
9.19.1 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1313 hrs — Very Sunny
1212 hrs — Very Sunny
1010 hrs — Very Sunny
8.48.4 hrs — Sunny
6.16.1 hrs — Good
5.45.4 hrs — Moderate
Best months: May–JulWorst months: Jan, Nov–Dec
ModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●