Bīrjand
Iran · 157K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Bīrjand
Iran
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 0% viability
0Mar: 10% viability
10Apr: 54% viability
54May: 82% viability
82Jun: 98% viability
98Jul: 97% viability
97Aug: 91% viability
91Sep: 77% viability
77Oct: 39% viability
39Nov: 5% viability
5Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: May–SepChallenging: Jan–Mar, 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.
Bīrjand
Iran
Annual Average
PoorWHO annual classification
33.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3636 µg/m³ — Unhealthy
2525 µg/m³ — Moderate
2323 µg/m³ — Moderate
3030 µg/m³ — Poor
3030 µg/m³ — Poor
3333 µg/m³ — Poor
4747 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3232 µg/m³ — Poor
3131 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3636 µg/m³ — Unhealthy
2525 µg/m³ — Moderate
2323 µg/m³ — Moderate
3030 µg/m³ — Poor
3030 µg/m³ — Poor
3333 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
4747 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3232 µg/m³ — Poor
3131 µg/m³ — Poor
Best months: Feb–Mar, MayWorst months: Jul–Sep
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Bīrjand
Iran
Annual Summary
Sunshine
3,423hrs/yr
Clear sky
80%
Worst month
8.7hrs/day
Vit D months
11.1months
UV 8+ days
175days/yr
UV 11+ days
79days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
8.98.9 hrs — Sunny
9.79.7 hrs — Sunny
9.99.9 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
8.98.9 hrs — Sunny
8.98.9 hrs — Sunny
Jan
Feb
Mar
Apr
May
Jun
8.98.9 hrs — Sunny
9.79.7 hrs — Sunny
9.99.9 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
8.98.9 hrs — Sunny
8.98.9 hrs — Sunny
Best months: Jun–AugWorst months: Jan, Nov–Dec
SunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●