CR flagSan Isidro

Costa Rica · 35K

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: 73% viability
73
Feb: 85% viability
85
Mar: 76% viability
76
Apr: 52% viability
52
May: 39% viability
39
Jun: 31% viability
31
Jul: 37% viability
37
Aug: 27% viability
27
Sep: 37% viability
37
Oct: 33% viability
33
Nov: 28% viability
28
Dec: 54% viability
54
Friction Breakdown
Best months: Jan–MarChallenging: May–Nov
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
ModerateWHO annual classification
15.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2020 µg/m³ — Moderate
1616 µg/m³ — Moderate
1616 µg/m³ — Moderate
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1515 µg/m³ — Moderate
Best months: Jan–Feb, OctWorst months: May–Jul
Fair10–15 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.

Annual Summary
Sunshine
2,087hrs/yr
Clear sky
32%
Worst month
3.1hrs/day
Vit D months
11.5months
UV 8+ days
176days/yr
UV 11+ days
44days/yr
Jan
Feb
Mar
Apr
May
Jun
9.39.3 hrsSunny
9.69.6 hrsSunny
9.69.6 hrsSunny
9.09.0 hrsSunny
8.08.0 hrsGood
7.07.0 hrsGood
Jul
Aug
Sep
Oct
Nov
Dec
7.07.0 hrsGood
8.08.0 hrsGood
7.07.0 hrsGood
6.06.0 hrsModerate
7.07.0 hrsGood
9.19.1 hrsSunny
Best months: Jan–MarWorst months: Sep–Nov
ModerateGoodSunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●