Walla Walla weather by month & the best time to visit
🇺🇸 United States · small town · Mediterranean climate
The best time to visit Walla Walla is July — its sunniest month (Sunshine Score 93/100), with August and September close behind. Walla Walla averages about 2,744 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 11 mm of rain in July.
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- Sun hours / year
- 2,744
- Sunniest month
- July
- Peak score
- 93/100
- Rain / year
- 680 mm
- Snow / year
- ≈1.7 m
- Midday UV at peak
- 8 (very high)
- Population
- 32k
- Elevation
- 353 m
When is the best time to visit Walla Walla?
For sunshine, the best time to visit Walla Walla is July, then August and September. The dullest month is January (0/100, 83 mm of rain). The full month-by-month picture is in the table below.
How sunny is Walla Walla?
Walla Walla gets a lot of sun: around 2,744 hours a year. 93 Sunshine Score points separate July (93) from January (0), so the month you pick matters. It ranks #131 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 680 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 6° / 43°F | -1° / 30°F | 83 mm | 1 |
| February | 0 | 8° / 46°F | 0° / 32°F | 69 mm | 2 |
| March | 27 | 12° / 54°F | 2° / 36°F | 82 mm | 3 |
| April | 49 | 15° / 59°F | 5° / 41°F | 61 mm | 5 |
| May | 84 | 21° / 70°F | 9° / 48°F | 62 mm | 6 |
| June | 87 | 25° / 77°F | 12° / 54°F | 47 mm | 7 |
| July | 93 | 31° / 88°F | 16° / 61°F | 11 mm | 8 |
| August | 92 | 31° / 88°F | 16° / 61°F | 16 mm | 7 |
| September | 91 | 26° / 79°F | 12° / 54°F | 23 mm | 5 |
| October | 71 | 18° / 64°F | 7° / 45°F | 54 mm | 3 |
| November | 14 | 10° / 50°F | 2° / 36°F | 77 mm | 1 |
| December | 0 | 6° / 43°F | -1° / 30°F | 95 mm | 1 |
See Walla Walla on the interactive sunshine globe →
Nearby places for sunshine
- Pasco United States · 67 km · best in Sep · 2,745 h sun/yr
- Spokane United States · 179 km · best in Jul · 2,367 h sun/yr
- Redmond United States · 304 km · best in Jul · 2,712 h sun/yr
- Boise United States · 325 km · best in Sep · 2,989 h sun/yr
- Missoula United States · 334 km · best in Jul · 2,308 h sun/yr
- Portland United States · 339 km · best in Jul · 2,058 h sun/yr
Nearest destinations
- Pendleton United States · 62 km · 2,696 h sun/yr · best in Jul
- Lewiston United States · 103 km · 2,521 h sun/yr · best in Jul
- Pullman United States · 115 km · 2,523 h sun/yr · best in Jul
- Yakima United States · 181 km · 2,597 h sun/yr · best in Jul
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