Arcata
United States · 18K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Arcata
United States
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 2% viability
2Mar: 13% viability
13Apr: 35% viability
35May: 48% viability
48Jun: 82% viability
82Jul: 97% viability
97Aug: 93% viability
93Sep: 76% viability
76Oct: 50% viability
50Nov: 3% viability
3Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–SepChallenging: Jan–Apr, Nov–Dec
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Arcata
United States
Annual Average
GoodWHO annual classification
7.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.05.0 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
3.23.2 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
5.65.6 µg/m³ — Good
1818 µg/m³ — Moderate
2424 µg/m³ — Moderate
5.95.9 µg/m³ — Good
6.06.0 µg/m³ — Good
4.74.7 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
5.05.0 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
3.23.2 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
5.65.6 µg/m³ — Good
1818 µg/m³ — Moderate
2424 µg/m³ — Moderate
5.95.9 µg/m³ — Good
6.06.0 µg/m³ — Good
4.74.7 µg/m³ — Excellent
Best months: Apr–JunWorst months: Aug–Sep, Nov
Excellent0–5 µg/m³Good5–10 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Arcata
United States
Annual Summary
Sunshine
2,844hrs/yr
Clear sky
53%
Worst month
2.5hrs/day
Vit D months
7.3months
UV 8+ days
64days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
6.76.7 hrs — Good
7.67.6 hrs — Good
9.09.0 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
8.98.9 hrs — Sunny
7.07.0 hrs — Good
5.35.3 hrs — Moderate
Jan
Feb
Mar
Apr
May
Jun
6.76.7 hrs — Good
7.67.6 hrs — Good
9.09.0 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
8.98.9 hrs — Sunny
7.07.0 hrs — Good
5.35.3 hrs — Moderate
Best months: Jun–AugWorst months: Jan, Nov–Dec
ModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●