Perris weather in July

In July, Perris sees average daytime highs of 89°F and overnight lows near 66°F, with 0.1 in of rain across 0.9 wet days and about 14 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 89°F through the month. The sky is clear or mostly clear about 84% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 14 h 12 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Perris's 4th-clearest and 9th-windiest month. For the whole year in context, see Perris's year-round climate.

Daytime high
89°
2nd warmest
Overnight low
66°
11th coldest
Rainfall
0.1 in
0.9 wet days
Daylight
14 hours
4:53 AM – 6:56 PM
Cloud cover
17%
4th clearest
Wind
4 mph
9th windiest
Solar energy
7.81 kWh/m²
Travel score
5.5
out of 10

Perris is city in Riverside County, Southern California, United States.

Density
919/km²
people per km²
Founded
1911

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 89°F through the month.

A typical July day in Perris reaches about 89°F in the afternoon and slips back to 66°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 96°F. Set against its neighbours, July runs about 6°F warmer than June and about 2°F cooler than August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
18764
28864
38864
48865
58865
68865
78865
88965
98965
108966
118966
128966
138966
148966
158966
168966
178966
188966
198967
208967
218967
229067
239067
249067
259067
269067
279067
289067
299067
309067
319067

How July really feels in Perris

Once humidity and wind are folded in, July averages 10 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
10
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Perris weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 42°3.26.4106.5
Feb64° / 44°4.17.110.76.4
Mar67° / 47°2.56.311.77.0
Apr71° / 50°1.24.412.87.9
May76° / 55°0.62.513.78.7
Jun83° / 60°0.10.714.27.8
Jul89° / 66°0.10.9145.5
Aug91° / 67°0.10.613.35.0
Sep87° / 64°0.21.112.26.1
Oct80° / 56°0.82.811.18.3
Nov70° / 47°1.23.310.28.0
Dec63° / 42°2.45.29.86.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 9%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7919
8919
9919
10919
11919
12919
13919
14919
15919
16919
17919
18919
199010
209010
219010
229010
239010
249010
259010
269010
279010
289010
299010
309010
31919

Chance of precipitation in July

Any precipitation

Perris gets around 0.1 in of rain over 0.9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
53
63
73
83
93
103
113
123
133
143
153
163
173
183
193
203
213
223
233
243
253
263
273
283
293
303
313

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13547152
23448163
33248173
43049174
52949184
62751184
72650195
82550205
92352205
102252215
112250226
122150236
132050246
141951246
151950256
161849267
171849277
181748287
191748297
201647307
211646307
221646317
231545327
241544338
251544348
261543348
271542358
281542358
291641358
301641357
311741357

Wind in July

Winds average 4 mph in July.

Across July, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 12 min at the start of July to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 4:46 AM to 5:03 AM, and sunset from 6:59 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:466:59
214.24:466:59
314.24:466:59
414.24:476:59
514.24:476:59
614.24:486:59
714.24:486:58
814.24:496:58
914.14:496:58
1014.14:506:58
1114.14:506:58
1214.14:516:57
1314.14:516:57
1414.14:526:57
1514.14:536:56
1614.04:536:56
1714.04:546:55
1814.04:556:55
1914.04:556:54
2014.04:566:54
2113.94:566:53
2213.94:576:53
2313.94:586:52
2413.94:586:52
2513.94:596:51
2613.85:006:50
2713.85:016:50
2813.85:016:49
2913.85:026:48
3013.75:036:47
3113.75:036:47

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.81 kWh/m².

For context, solar energy here swings from a low near 3.03 kWh/m² to a high of 8.18 kWh/m² in June across the year — July's 7.81 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.2Intense
28.1Intense
38.1Intense
48.1Intense
58.1Intense
68.0Intense
78.0Intense
88.0Intense
98.0Intense
107.9Intense
117.9Intense
127.9Intense
137.9Intense
147.8Intense
157.8Intense
167.8Intense
177.8Intense
187.8Intense
197.8Intense
207.7Intense
217.7Intense
227.7Intense
237.7Intense
247.7Intense
257.7Intense
267.6Intense
277.6Intense
287.6Intense
297.6Intense
307.6Intense
317.6Intense
Planning a trip in July

Is July a good time to visit Perris?

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

5.5
Sightseeing
11th-best month of the year
8.6
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Perris for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Perris in July

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

In July, Perris sees daytime highs around 89°F and nights near 66°F. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Perris in July

The nearest coast averages about 69°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 36 mi away) is warmest in August at about 70°F and coldest in January near 59°F.

It's comfortable for a long swim from Jul 6 to Oct 6 — about 3.1 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan59Cool
Feb59Cool
Mar60Cool
Apr61Cool
May63Cool
Jun66Cool
Jul69Refreshing
Aug70Refreshing
Sep70Refreshing
Oct67Cool
Nov64Cool
Dec61Cool

UV index in Perris in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Perris peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Perris 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 Perris is worst in September — around 40 µg/m³ PM2.5 (poor), about 5.4× the cleanest month (December, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1437 µg/m³Dec 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr10Good
May8Good
Jun19Moderate
Jul12Moderate
Aug20Moderate
Sep40Poor
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is Perris?

Perris sits at 33.8°N, 117.2°W, 1,453 ft above sea level, in United States. The nearest listed city is Mead Valley, 5.0 mi away.

Topography around Perris

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

Within 2 miles, the terrain around Perris has only modest variations in elevation — a maximum elevation change of 499 ft around an average of 1,490 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,490 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,424 ft.

The land around Perris is covered by artificial surfaces (35%) and grassland (31%) within 2 miles, grassland (38%) and artificial surfaces (23%) within 10 miles, and shrubs (29%) within 50 miles.

2 miles
499 ft
10 miles
1,490 ft
50 miles
11,424 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Mead Valley 5.0 mi · Sun City 5.6 mi · Menifee 6.2 mi · Lake Elsinore 9.9 mi · Moreno Valley 11 mi · Wildomar 13 mi · Hemet 15 mi · Riverside 16 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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Perris (33.7825°, -117.2287°, elevation 1,453 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).