Hilo
United States · 43K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Hilo
United States
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 31% viability
31Feb: 15% viability
15Mar: 22% viability
22Apr: 26% viability
26May: 34% viability
34Jun: 44% viability
44Jul: 42% viability
42Aug: 51% viability
51Sep: 50% viability
50Oct: 55% viability
55Nov: 32% viability
32Dec: 22% viability
22Rain
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: NoneChallenging: Jan–May, 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.
Hilo
United States
Annual Average
ExcellentWHO annual classification
2.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2.62.6 µg/m³ — Excellent
3.13.1 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
2.42.4 µg/m³ — Excellent
2.82.8 µg/m³ — Excellent
2.32.3 µg/m³ — Excellent
2.62.6 µg/m³ — Excellent
3.13.1 µg/m³ — Excellent
2.52.5 µg/m³ — Excellent
2.52.5 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
2.62.6 µg/m³ — Excellent
3.13.1 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
2.42.4 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
2.82.8 µg/m³ — Excellent
2.32.3 µg/m³ — Excellent
2.62.6 µg/m³ — Excellent
3.13.1 µg/m³ — Excellent
2.52.5 µg/m³ — Excellent
2.52.5 µg/m³ — Excellent
Best months: Jun, Aug, NovWorst months: Feb, Apr, Oct
Excellent0–5 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Hilo
United States
Annual Summary
Sunshine
3,102hrs/yr
Clear sky
51%
Worst month
8.1hrs/day
Vit D months
11.9months
UV 8+ days
216days/yr
UV 11+ days
54days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
8.88.8 hrs — Sunny
9.29.2 hrs — Sunny
9.09.0 hrs — Sunny
9.79.7 hrs — Sunny
1010 hrs — Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
9.99.9 hrs — Sunny
1010 hrs — Sunny
9.09.0 hrs — Sunny
8.68.6 hrs — Sunny
8.58.5 hrs — Sunny
Jan
Feb
Mar
Apr
May
Jun
8.88.8 hrs — Sunny
9.29.2 hrs — Sunny
9.09.0 hrs — Sunny
9.79.7 hrs — Sunny
1010 hrs — Sunny
1010 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1010 hrs — Very Sunny
9.99.9 hrs — Sunny
1010 hrs — Sunny
9.09.0 hrs — Sunny
8.68.6 hrs — Sunny
8.58.5 hrs — Sunny
Best months: May–JulWorst months: Jan, Nov–Dec
SunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●