Walla Walla weather in July

In July, Walla Walla sees average daytime highs of 84°F and overnight lows near 57°F, with 0.3 in of rain across 2 wet days and about 15.2 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 80°F in the first days to 86°F by the end. The sky is clear or mostly clear about 72% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 30 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Walla Walla's 1st-clearest and 9th-windiest month. For the whole year in context, see Walla Walla's year-round climate.

Daytime high: 84°; 1st warmest
Overnight low: 57°; 12th coldest
Rainfall: 0.3 in; 2 wet days
Daylight: 15 h 12 min; 4:22 AM – 7:36 PM
Cloud cover: 24%; 1st clearest
Wind: 6 mph; 9th windiest
Solar energy: 7.84 kWh/m²
Travel score: 7.3; out of 10

Walla Walla is city in Walla Walla County, Washington, United States.

Density: 970/km²; people per km²
Founded: 1856

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← June Walla Walla year-round climate August →Best places to visit in July

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 80°F in the first days to 86°F by the end.

A typical July day in Walla Walla reaches about 84°F in the afternoon and slips back to 57°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 94°F. Set against its neighbours, July runs about 10°F warmer than June and on par with August.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°F)	80	80	80	81	81	82	82	82	82	83	83	83	83	84	84	84	84	84	85	85	85	85	85	86	86	86	86	86	86	86	86
Avg low (°F)	54	54	55	55	55	55	55	56	56	56	56	56	56	56	57	57	57	57	57	57	58	58	58	58	58	58	58	58	58	58	58

	Avg high (°F)	Avg low (°F)
1	80	54
2	80	54
3	80	55
4	81	55
5	81	55
6	82	55
7	82	55
8	82	56
9	82	56
10	83	56
11	83	56
12	83	56
13	83	56
14	84	56
15	84	57
16	84	57
17	84	57
18	84	57
19	85	57
20	85	57
21	85	58
22	85	58
23	85	58
24	86	58
25	86	58
26	86	58
27	86	58
28	86	58
29	86	58
30	86	58
31	86	58

How July really feels in Walla Walla

Once humidity and wind are folded in, July averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Walla Walla weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	39° / 29°	3.3	14.2	8.6	8.9	0.0
Feb	44° / 30°	2.6	12	6.3	10	0.6
Mar	50° / 34°	2.9	13.4	5	11.6	2.2
Apr	58° / 38°	2.2	11.5	1.7	13.3	4.0
May	66° / 45°	2.1	9.7	0.2	14.7	6.2
Jun	74° / 50°	1.3	6.3	0	15.5	7.5
Jul	84° / 57°	0.3	2	0	15.2	7.3
Aug	83° / 56°	0.4	2.1	0	14	7.5
Sep	73° / 49°	0.8	4.1	0	12.3	8.1
Oct	60° / 40°	2.1	8.8	0.3	10.7	5.0
Nov	46° / 33°	3.3	13.6	5.1	9.2	1.1
Dec	38° / 28°	3.6	14.3	9.2	8.5	0.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	78	80	80	81	82	83	83	84	84	85	85	85	86	86	87	87	87	87	88	88	88	89	89	89	88	88	88	88	89	89	88
Cloudier (%)	22	20	20	19	18	17	17	16	16	15	15	15	14	14	13	13	13	13	12	12	12	11	11	11	12	12	12	12	11	11	12

	Clearer (%)	Cloudier (%)
1	78	22
2	80	20
3	80	20
4	81	19
5	82	18
6	83	17
7	83	17
8	84	16
9	84	16
10	85	15
11	85	15
12	85	15
13	86	14
14	86	14
15	87	13
16	87	13
17	87	13
18	87	13
19	88	12
20	88	12
21	88	12
22	89	11
23	89	11
24	89	11
25	88	12
26	88	12
27	88	12
28	88	12
29	89	11
30	89	11
31	88	12

Chance of precipitation in July

Any precipitation

Walla Walla gets around 0.3 in of rain over 2 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 11% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	11	10	10	10	9	9	8	8	8	8	8	8	8	8	7	7	7	7	6	6	6	6	6	5	5	5	5	5	5	5	5

	Rain chance (%)
1	11
2	10
3	10
4	10
5	9
6	9
7	8
8	8
9	8
10	8
11	8
12	8
13	8
14	8
15	7
16	7
17	7
18	7
19	6
20	6
21	6
22	6
23	6
24	5
25	5
26	5
27	5
28	5
29	5
30	5
31	5

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	98	98	98	98	99	99	99	99	99	99	99	99	98	98	98	98	98	98	99	99	98	98	98	98	98	98	98	98	98	97	97
Comfortable (%)	2	2	2	2	1	1	1	1	1	1	1	1	2	2	2	2	2	2	1	1	2	2	2	2	2	2	2	2	2	3	3

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	99	1
20	99	1
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	97	3
31	97	3

Wind in July

Winds average 6 mph in July.

Across July, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (mph)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (mph)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm
31	5	calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 30 min at the start of July to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:11 AM to 4:38 AM, and sunset from 7:42 PM to 7:21 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	15.5	15.5	15.5	15.5	15.5	15.5	15.4	15.4	15.4	15.4	15.4	15.3	15.3	15.3	15.3	15.2	15.2	15.2	15.1	15.1	15.1	15.0	15.0	15.0	14.9	14.9	14.9	14.8	14.8	14.7	14.7
Sunrise (AM)	4:11	4:12	4:12	4:13	4:13	4:14	4:15	4:15	4:16	4:17	4:18	4:19	4:20	4:20	4:21	4:22	4:23	4:24	4:25	4:26	4:27	4:28	4:29	4:30	4:31	4:33	4:34	4:35	4:36	4:37	4:38
Sunset (PM)	7:42	7:42	7:42	7:42	7:41	7:41	7:41	7:40	7:40	7:39	7:39	7:38	7:38	7:37	7:36	7:36	7:35	7:34	7:33	7:33	7:32	7:31	7:30	7:29	7:28	7:27	7:25	7:24	7:23	7:22	7:21

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	15.5	4:11	7:42
2	15.5	4:12	7:42
3	15.5	4:12	7:42
4	15.5	4:13	7:42
5	15.5	4:13	7:41
6	15.5	4:14	7:41
7	15.4	4:15	7:41
8	15.4	4:15	7:40
9	15.4	4:16	7:40
10	15.4	4:17	7:39
11	15.4	4:18	7:39
12	15.3	4:19	7:38
13	15.3	4:20	7:38
14	15.3	4:20	7:37
15	15.3	4:21	7:36
16	15.2	4:22	7:36
17	15.2	4:23	7:35
18	15.2	4:24	7:34
19	15.1	4:25	7:33
20	15.1	4:26	7:33
21	15.1	4:27	7:32
22	15.0	4:28	7:31
23	15.0	4:29	7:30
24	15.0	4:30	7:29
25	14.9	4:31	7:28
26	14.9	4:33	7:27
27	14.9	4:34	7:25
28	14.8	4:35	7:24
29	14.8	4:36	7:23
30	14.7	4:37	7:22
31	14.7	4:38	7:21

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.84 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 7.84 kWh/m² in July across the year — July's 7.84 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	7.8	7.8	7.8	7.8	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.8	7.8	7.8	7.8	7.8	7.8	7.8	7.7	7.7	7.7	7.7	7.6	7.6	7.6	7.5	7.5
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	7.8	Intense
2	7.8	Intense
3	7.8	Intense
4	7.8	Intense
5	7.9	Intense
6	7.9	Intense
7	7.9	Intense
8	7.9	Intense
9	7.9	Intense
10	7.9	Intense
11	7.9	Intense
12	7.9	Intense
13	7.9	Intense
14	7.9	Intense
15	7.9	Intense
16	7.8	Intense
17	7.8	Intense
18	7.8	Intense
19	7.8	Intense
20	7.8	Intense
21	7.8	Intense
22	7.8	Intense
23	7.7	Intense
24	7.7	Intense
25	7.7	Intense
26	7.7	Intense
27	7.6	Intense
28	7.6	Intense
29	7.6	Intense
30	7.5	Intense
31	7.5	Intense

Planning a trip in July

Hazard calendar for Walla Walla

In seasonPeak

None of Walla Walla's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Walla Walla's rainy season runs October–May, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is July a good time to visit Walla Walla?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.3

Sightseeing

4th-best month of the year

8.6

Beach & pool

1st-best month of the year

July is one of the better times to visit Walla Walla for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Walla Walla in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Walla Walla sees daytime highs around 84°F and nights near 57°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Walla Walla in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Walla Walla peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	4	5	7	7	9	6	5	4	1	1
Level	Low	Low	Moderate	Moderate	Very high	High	Very high	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	4	Moderate
Apr	5	Moderate
May	7	Very high
Jun	7	High
Jul	9	Very high
Aug	6	High
Sep	5	Moderate
Oct	4	Moderate
Nov	1	Low
Dec	1	Low

Air quality in Walla Walla in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Walla Walla is worst in August — around 29 µg/m³ PM2.5 (moderate), about 4.4× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	7	8	11	11	9	9	16	29	20	12	12	7
Level	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	7	Good
Feb	8	Good
Mar	11	Good
Apr	11	Good
May	9	Good
Jun	9	Good
Jul	16	Moderate
Aug	29	Moderate
Sep	20	Moderate
Oct	12	Moderate
Nov	12	Good
Dec	7	Good

Location & terrain

Where is Walla Walla?

Walla Walla sits at 46.1°N, 118.3°W, 942 ft above sea level, in United States. The nearest listed city is Pendleton, 35 mi away.

Topography around Walla Walla

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Walla Walla.

Within 2 miles, the terrain around Walla Walla has only modest variations in elevation — a maximum elevation change of 272 ft around an average of 945 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,333 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,115 ft.

The land around Walla Walla is covered by artificial surfaces (34%), trees (26%) and grassland (23%) within 2 miles, cropland (67%) and grassland (23%) within 10 miles, and grassland (44%), cropland (29%) and trees (24%) within 50 miles.

2 miles

272 ft

artificial surfaces 34%

10 miles

3,333 ft

cropland 67%

50 miles

6,115 ft

grassland 44%

treesgrasslandcroplandartificial surfacesbare terrainwater

← June Walla Walla year-round climate August →Best places to visit in July

July weather nearby: Pendleton 35 mi · Pasco 39 mi · Kennewick 39 mi · Tri-Cities 43 mi · Richland 48 mi · Hermiston 48 mi · Lewiston 68 mi · Lewiston Orchards 69 mi

United States travel facts

Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 100% of US; price level, 2025
GDP per capita: $90,027; 2025
Happiness: 6.8 / 10; World Happiness, 2025
Safe drinking water: 98%; of population, 2024
Homicide rate: 5.8; per 100k, 2023
Road deaths: 12.7; per 100k/yr, 2019
Income group: High; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Walla Walla (46.0646°, -118.343°, elevation 942 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°F)	Avg low (°F)
1	80	54
2	80	54
3	80	55
4	81	55
5	81	55
6	82	55
7	82	55
8	82	56
9	82	56
10	83	56
11	83	56
12	83	56
13	83	56
14	84	56
15	84	57
16	84	57
17	84	57
18	84	57
19	85	57
20	85	57
21	85	58
22	85	58
23	85	58
24	86	58
25	86	58
26	86	58
27	86	58
28	86	58
29	86	58
30	86	58
31	86	58

	Clearer (%)	Cloudier (%)
1	78	22
2	80	20
3	80	20
4	81	19
5	82	18
6	83	17
7	83	17
8	84	16
9	84	16
10	85	15
11	85	15
12	85	15
13	86	14
14	86	14
15	87	13
16	87	13
17	87	13
18	87	13
19	88	12
20	88	12
21	88	12
22	89	11
23	89	11
24	89	11
25	88	12
26	88	12
27	88	12
28	88	12
29	89	11
30	89	11
31	88	12

	Rain chance (%)
1	11
2	10
3	10
4	10
5	9
6	9
7	8
8	8
9	8
10	8
11	8
12	8
13	8
14	8
15	7
16	7
17	7
18	7
19	6
20	6
21	6
22	6
23	6
24	5
25	5
26	5
27	5
28	5
29	5
30	5
31	5

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	99	1
20	99	1
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	97	3
31	97	3

	Avg high (°F)	Avg low (°F)
1	80	54
2	80	54
3	80	55
4	81	55
5	81	55
6	82	55
7	82	55
8	82	56
9	82	56
10	83	56
11	83	56
12	83	56
13	83	56
14	84	56
15	84	57
16	84	57
17	84	57
18	84	57
19	85	57
20	85	57
21	85	58
22	85	58
23	85	58
24	86	58
25	86	58
26	86	58
27	86	58
28	86	58
29	86	58
30	86	58
31	86	58

	Clearer (%)	Cloudier (%)
1	78	22
2	80	20
3	80	20
4	81	19
5	82	18
6	83	17
7	83	17
8	84	16
9	84	16
10	85	15
11	85	15
12	85	15
13	86	14
14	86	14
15	87	13
16	87	13
17	87	13
18	87	13
19	88	12
20	88	12
21	88	12
22	89	11
23	89	11
24	89	11
25	88	12
26	88	12
27	88	12
28	88	12
29	89	11
30	89	11
31	88	12

	Rain chance (%)
1	11
2	10
3	10
4	10
5	9
6	9
7	8
8	8
9	8
10	8
11	8
12	8
13	8
14	8
15	7
16	7
17	7
18	7
19	6
20	6
21	6
22	6
23	6
24	5
25	5
26	5
27	5
28	5
29	5
30	5
31	5

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	99	1
20	99	1
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	97	3
31	97	3

	Avg high (°F)	Avg low (°F)
1	80	54
2	80	54
3	80	55
4	81	55
5	81	55
6	82	55
7	82	55
8	82	56
9	82	56
10	83	56
11	83	56
12	83	56
13	83	56
14	84	56
15	84	57
16	84	57
17	84	57
18	84	57
19	85	57
20	85	57
21	85	58
22	85	58
23	85	58
24	86	58
25	86	58
26	86	58
27	86	58
28	86	58
29	86	58
30	86	58
31	86	58

	Clearer (%)	Cloudier (%)
1	78	22
2	80	20
3	80	20
4	81	19
5	82	18
6	83	17
7	83	17
8	84	16
9	84	16
10	85	15
11	85	15
12	85	15
13	86	14
14	86	14
15	87	13
16	87	13
17	87	13
18	87	13
19	88	12
20	88	12
21	88	12
22	89	11
23	89	11
24	89	11
25	88	12
26	88	12
27	88	12
28	88	12
29	89	11
30	89	11
31	88	12

	Rain chance (%)
1	11
2	10
3	10
4	10
5	9
6	9
7	8
8	8
9	8
10	8
11	8
12	8
13	8
14	8
15	7
16	7
17	7
18	7
19	6
20	6
21	6
22	6
23	6
24	5
25	5
26	5
27	5
28	5
29	5
30	5
31	5

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	99	1
20	99	1
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	97	3
31	97	3