Zemst
Belgium · 21K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Zemst
Belgium
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 1% viability
1Mar: 9% viability
9Apr: 36% viability
36May: 64% viability
64Jun: 79% viability
79Jul: 81% viability
81Aug: 80% viability
80Sep: 67% viability
67Oct: 25% viability
25Nov: 1% viability
1Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–AugChallenging: 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.
Zemst
Belgium
Annual Average
GoodWHO annual classification
8.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1010 µg/m³ — Fair
7.97.9 µg/m³ — Good
8.78.7 µg/m³ — Good
1111 µg/m³ — Fair
8.68.6 µg/m³ — Good
7.47.4 µg/m³ — Good
6.56.5 µg/m³ — Good
7.37.3 µg/m³ — Good
6.76.7 µg/m³ — Good
6.86.8 µg/m³ — Good
8.68.6 µg/m³ — Good
1010 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1010 µg/m³ — Fair
7.97.9 µg/m³ — Good
8.78.7 µg/m³ — Good
1111 µg/m³ — Fair
8.68.6 µg/m³ — Good
7.47.4 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.56.5 µg/m³ — Good
7.37.3 µg/m³ — Good
6.76.7 µg/m³ — Good
6.86.8 µg/m³ — Good
8.68.6 µg/m³ — Good
1010 µg/m³ — Fair
Best months: Jul, Sep–OctWorst months: Jan, Apr, Dec
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Zemst
Belgium
Annual Summary
Sunshine
1,722hrs/yr
Clear sky
34%
Worst month
0.5hrs/day
Vit D months
4.4months
UV 8+ days
0days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
2.72.7 hrs — Low
4.04.0 hrs — Low
7.67.6 hrs — Good
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
8.78.7 hrs — Sunny
5.75.7 hrs — Moderate
3.73.7 hrs — Low
1.01.0 hrs — Dark
Jan
Feb
Mar
Apr
May
Jun
2.72.7 hrs — Low
4.04.0 hrs — Low
7.67.6 hrs — Good
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1010 hrs — Very Sunny
1010 hrs — Very Sunny
8.78.7 hrs — Sunny
5.75.7 hrs — Moderate
3.73.7 hrs — Low
1.01.0 hrs — Dark
Best months: Apr–May, JulWorst months: Jan, Nov–Dec
DarkLowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●