Gustavia
St. Barthélemy · 6K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Gustavia
St. Barthélemy
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 48% viability
48Feb: 35% viability
35Mar: 50% viability
50Apr: 54% viability
54May: 57% viability
57Jun: 40% viability
40Jul: 23% viability
23Aug: 39% viability
39Sep: 61% viability
61Oct: 58% viability
58Nov: 43% viability
43Dec: 44% viability
44Humid
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: NoneChallenging: Feb, Jul–Aug
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Gustavia
St. Barthélemy
Annual Average
GoodWHO annual classification
5.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4.44.4 µg/m³ — Excellent
6.06.0 µg/m³ — Good
5.35.3 µg/m³ — Good
6.16.1 µg/m³ — Good
5.25.2 µg/m³ — Good
5.85.8 µg/m³ — Good
9.09.0 µg/m³ — Good
8.08.0 µg/m³ — Good
6.46.4 µg/m³ — Good
5.85.8 µg/m³ — Good
4.44.4 µg/m³ — Excellent
3.13.1 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
4.44.4 µg/m³ — Excellent
6.06.0 µg/m³ — Good
5.35.3 µg/m³ — Good
6.16.1 µg/m³ — Good
5.25.2 µg/m³ — Good
5.85.8 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
9.09.0 µg/m³ — Good
8.08.0 µg/m³ — Good
6.46.4 µg/m³ — Good
5.85.8 µg/m³ — Good
4.44.4 µg/m³ — Excellent
3.13.1 µg/m³ — Excellent
Best months: Jan, Nov–DecWorst months: Jul–Sep
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.
Gustavia
St. Barthélemy
Annual Summary
Sunshine
3,384hrs/yr
Clear sky
65%
Worst month
8.9hrs/day
Vit D months
11.6months
UV 8+ days
245days/yr
UV 11+ days
70days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
9.29.2 hrs — Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
9.29.2 hrs — Sunny
9.49.4 hrs — Sunny
Jan
Feb
Mar
Apr
May
Jun
9.29.2 hrs — Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
9.29.2 hrs — Sunny
9.49.4 hrs — Sunny
Best months: May–JulWorst months: Jan, Nov–Dec
SunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●