Walla Walla
United States · 32K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Walla Walla
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: 11% viability
11Apr: 32% viability
32May: 56% viability
56Jun: 81% viability
81Jul: 90% viability
90Aug: 92% viability
92Sep: 78% viability
78Oct: 33% viability
33Nov: 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.
Walla Walla
United States
Annual Average
GoodWHO annual classification
6.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7.17.1 µg/m³ — Good
5.95.9 µg/m³ — Good
4.84.8 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
4.14.1 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
8.48.4 µg/m³ — Good
8.48.4 µg/m³ — Good
1313 µg/m³ — Fair
5.75.7 µg/m³ — Good
7.17.1 µg/m³ — Good
6.76.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
7.17.1 µg/m³ — Good
5.95.9 µg/m³ — Good
4.84.8 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
4.14.1 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
8.48.4 µg/m³ — Good
8.48.4 µg/m³ — Good
1313 µg/m³ — Fair
5.75.7 µg/m³ — Good
7.17.1 µg/m³ — Good
6.76.7 µg/m³ — Good
Best months: Mar–MayWorst months: Jul–Sep
Excellent0–5 µg/m³Good5–10 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.
Walla Walla
United States
Annual Summary
Sunshine
2,709hrs/yr
Clear sky
54%
Worst month
2.0hrs/day
Vit D months
6.5months
UV 8+ days
33days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
5.75.7 hrs — Moderate
7.37.3 hrs — Good
9.09.0 hrs — Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1414 hrs — Very Sunny
1212 hrs — Very Sunny
1010 hrs — Very Sunny
8.18.1 hrs — Sunny
5.95.9 hrs — Moderate
4.94.9 hrs — Moderate
Jan
Feb
Mar
Apr
May
Jun
5.75.7 hrs — Moderate
7.37.3 hrs — Good
9.09.0 hrs — Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1414 hrs — Very Sunny
1212 hrs — Very Sunny
1010 hrs — Very Sunny
8.18.1 hrs — Sunny
5.95.9 hrs — Moderate
4.94.9 hrs — Moderate
Best months: Jun–AugWorst months: Jan, Nov–Dec
ModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●