Walla Walla weather in July: Walla Walla, Washington: normal highs, lows, rain and records for July
Walla Walla in July has a normal high of 90°F and a normal low of 62°F, a daily mean of 76°F, rising from 85°F on the 1st to 92°F by the 31st. Measurable precipitation falls on 3 days in a normal July, 0.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 17°C, 12 mm of precipitation in July.
- NOAA stationWalla Walla Regional Airport
- Station IDUSW00024160
- Location46.09°N 118.29°W
- Elevation1,166 ft (355 m)
- Population33,901
- Jan 42° 31°
- Feb 47° 33°
- Mar 56° 38°
- Apr 63° 43°
- May 71° 49°
- Jun 79° 55°
- Jul 90° 62°
- Aug 89° 62°
- Sep 79° 54°
- Oct 63° 44°
- Nov 49° 36°
- Dec 41° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Walla Walla in July?
The normal high is 90°F and the normal low 62°F, for a daily mean of 76.3°F. July is 9.3°F warmer than June and 1.1°F warmer than August. July is the warmest month of the year in Walla Walla and the 11th wettest. Across the month the normal high rises 7°F, from 85°F on July 1 to 92°F on July 31. From one year to the next July's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Julys in three average between 73°F and 79°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 15%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 85°F | 59°F | 15% | 7% |
| July 8 | 88°F | 61°F | 12% | 5% |
| July 15 | 91°F | 63°F | 11% | 4% |
| July 22 | 92°F | 64°F | 9% | 3% |
| July 31 | 92°F | 65°F | 8% | 2% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 26, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 85°F | 59°F | 15% | 7% | 15 h 40 min |
| July 2 | 86°F | 59°F | 15% | 6% | 15 h 40 min |
| July 3 | 86°F | 59°F | 14% | 6% | 15 h 40 min |
| July 4 | 86°F | 60°F | 14% | 6% | 15 h 40 min |
| July 5 | 87°F | 60°F | 13% | 5% | 15 h 40 min |
| July 6 | 87°F | 60°F | 13% | 5% | 15 h 40 min |
| July 7 | 88°F | 60°F | 12% | 5% | 15 h 40 min |
| July 8 | 88°F | 61°F | 12% | 5% | 15 h 40 min |
| July 9 | 89°F | 61°F | 12% | 5% | 15 h 40 min |
| July 10 | 89°F | 61°F | 12% | 4% | 15 h 30 min |
| July 11 | 89°F | 62°F | 11% | 4% | 15 h 30 min |
| July 12 | 90°F | 62°F | 11% | 4% | 15 h 30 min |
| July 13 | 90°F | 62°F | 11% | 4% | 15 h 30 min |
| July 14 | 90°F | 62°F | 11% | 4% | 15 h 30 min |
| July 15 | 91°F | 63°F | 11% | 4% | 15 h 30 min |
| July 16 | 91°F | 63°F | 10% | 4% | 15 h 20 min |
| July 17 | 91°F | 63°F | 10% | 3% | 15 h 20 min |
| July 18 | 92°F | 63°F | 10% | 3% | 15 h 20 min |
| July 19 | 92°F | 64°F | 10% | 3% | 15 h 20 min |
| July 20 | 92°F | 64°F | 9% | 3% | 15 h 20 min |
| July 21 | 92°F | 64°F | 9% | 3% | 15 h 20 min |
| July 22 | 92°F | 64°F | 9% | 3% | 15 h 10 min |
| July 23 | 92°F | 64°F | 9% | 3% | 15 h 10 min |
| July 24 | 92°F | 64°F | 9% | 3% | 15 h 10 min |
| July 25 | 92°F | 64°F | 9% | 3% | 15 h 10 min |
| July 26 | 93°F | 64°F | 8% | 3% | 15 h |
| July 27 | 93°F | 65°F | 8% | 3% | 15 h |
| July 28 | 93°F | 65°F | 8% | 3% | 15 h |
| July 29 | 92°F | 65°F | 8% | 3% | 15 h |
| July 30 | 92°F | 65°F | 8% | 2% | 15 h |
| July 31 | 92°F | 65°F | 8% | 2% | 14 h 50 min |
- Normal high
- 90°FJuly average
- Normal low
- 62°FJuly average
- Precipitation
- 0.47 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 18
- Daylight
- 15 h 40 min to 14 h 50 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 28
- Sunshine
- 94%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024160; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Walla Walla in July?
On a given July day the chance of 0.01 inch or more is 11% on average, highest around July 1 (15%). In all, 0.47 in falls on 3 days of a normal July.
In a normal July in Walla Walla, 18 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024160.
How humid and windy is Walla Walla in July?
At 3 p.m. the normal temperature is 91°F with 19% relative humidity and a dew point of 44°F; at 6 a.m. it is 69°F with 45% humidity. The wind averages 8.4 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 69°F | 47°F | 45% | 7.0 mph | 88% |
| 9 a.m. | 78°F | 47°F | 34% | 9.0 mph | 88% |
| noon | 86°F | 46°F | 25% | 8.1 mph | 89% |
| 3 p.m. | 91°F | 44°F | 19% | 8.6 mph | 90% |
| 6 p.m. | 89°F | 43°F | 20% | 8.7 mph | 90% |
| 9 p.m. | 76°F | 46°F | 35% | 8.7 mph | 89% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024160. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Walla Walla?
The warmest July temperature on this station's record (since 1949) is 114°F, on July 10, 1975; the coldest is 40°F, on July 7, 1971. The wettest July brought 4.73 in (1992).
The July mean against the 1991-2020 normal of 76.3°F: 2021 80.1°F (+3.8), 2022 77.6°F (+1.3), 2023 77.3°F (+1.0), 2024 78.9°F (+2.6), 2025 77.5°F (+1.2). 5 of 5 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 80.1°F | +3.8°F | 0.01 in |
| 2022 | 77.6°F | +1.3°F | 0.24 in |
| 2023 | 77.3°F | +1.0°F | 0.02 in |
| 2024 | 78.9°F | +2.6°F | 0.00 in |
| 2025 | 77.5°F | +1.2°F | 0.00 in |
Source: records: ACIS, station USW00024160; recent months: ACIS, station USW00024160. Records and recent months use complete months only.
How does July in Walla Walla compare across Washington?
Across the 96 places PlainClimate covers in Washington, July normal highs run from 65°F in Long Beach to 93°F in Pasco; Walla Walla's is 90°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.