Lake Forest
United States · 19K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Lake Forest
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: 1% viability
1Apr: 12% viability
12May: 42% viability
42Jun: 76% viability
76Jul: 88% viability
88Aug: 88% viability
88Sep: 75% viability
75Oct: 18% viability
18Nov: 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.
Lake Forest
United States
Annual Average
GoodWHO annual classification
6.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7.87.8 µg/m³ — Good
7.87.8 µg/m³ — Good
6.76.7 µg/m³ — Good
4.94.9 µg/m³ — Excellent
5.85.8 µg/m³ — Good
6.96.9 µg/m³ — Good
8.18.1 µg/m³ — Good
7.97.9 µg/m³ — Good
6.36.3 µg/m³ — Good
5.75.7 µg/m³ — Good
7.67.6 µg/m³ — Good
7.77.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
7.87.8 µg/m³ — Good
7.87.8 µg/m³ — Good
6.76.7 µg/m³ — Good
4.94.9 µg/m³ — Excellent
5.85.8 µg/m³ — Good
6.96.9 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
8.18.1 µg/m³ — Good
7.97.9 µg/m³ — Good
6.36.3 µg/m³ — Good
5.75.7 µg/m³ — Good
7.67.6 µg/m³ — Good
7.77.7 µg/m³ — Good
Best months: Apr–May, OctWorst months: Feb, Jul–Aug
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.
Lake Forest
United States
Annual Summary
Sunshine
2,341hrs/yr
Clear sky
46%
Worst month
1.2hrs/day
Vit D months
6.5months
UV 8+ days
21days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
5.05.0 hrs — Moderate
8.88.8 hrs — Sunny
8.88.8 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
9.69.6 hrs — Sunny
7.67.6 hrs — Good
7.07.0 hrs — Good
6.06.0 hrs — Moderate
Jan
Feb
Mar
Apr
May
Jun
5.05.0 hrs — Moderate
8.88.8 hrs — Sunny
8.88.8 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
9.69.6 hrs — Sunny
7.67.6 hrs — Good
7.07.0 hrs — Good
6.06.0 hrs — Moderate
Best months: Jun–AugWorst months: Jan, Nov–Dec
ModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●