San Jacinto weather in July

In July, San Jacinto sees average daytime highs of 88°F and overnight lows near 66°F, with 0.2 in of rain across 1.2 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 88°F through the month. The sky is clear or mostly clear about 82% of the time in July, and the air most often feels dry.

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 San Jacinto's 4th-clearest and 10th-windiest month. For the whole year in context, see San Jacinto's year-round climate.

Daytime high
88°
2nd warmest
Overnight low
66°
11th coldest
Rainfall
0.2 in
1.2 wet days
Daylight
14 hours
4:52 AM – 6:55 PM
Cloud cover
18%
4th clearest
Wind
3 mph
10th windiest
Solar energy
7.78 kWh/m²
Travel score
5.8
out of 10

San Jacinto is city in Riverside County, California, United States.

Density
694/km²
people per km²
Founded
1888

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 88°F through the month.

A typical July day in San Jacinto reaches about 88°F in the afternoon and slips back to 66°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 95°F. Set against its neighbours, July runs about 6°F warmer than June and on par with August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
18764
28764
38764
48764
58765
68765
78865
88865
98865
108865
118865
128866
138866
148866
158866
168866
178866
188866
198966
208966
218966
228967
238967
248967
258967
268967
278967
288967
298967
308967
318967

San Jacinto 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 daysSnow daysDaylight (hours)Travel score
Jan61° / 40°2.96.60.7105.6
Feb61° / 42°3.57.7110.75.5
Mar64° / 44°2.26.60.611.76.5
Apr69° / 48°1.14.50.312.87.6
May74° / 53°0.52.7013.78.6
Jun82° / 60°0.10.6014.28.1
Jul88° / 66°0.21.20145.8
Aug89° / 67°0.11013.35.5
Sep85° / 62°0.21012.26.9
Oct77° / 54°0.72.9011.18.6
Nov68° / 46°1.13.30.110.27.7
Dec60° / 40°2.35.50.49.85.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 8% of July, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7919
8919
9919
10919
11919
12919
13919
14919
159010
169010
179010
189010
198911
208911
218911
228911
238911
248911
258812
268812
278812
288911
298911
308911
318911

Chance of precipitation in July

Any precipitation

San Jacinto gets around 0.2 in of rain over 1.2 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 4% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
43
53
63
73
83
93
103
114
124
134
144
154
164
174
184
194
204
214
224
234
244
254
264
274
284
294
304
314

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1672571
2652681
3642691
46227101
56127111
66027121
75728132
85628142
95528152
105428162
115428162
125328172
135328172
145129182
155129182
165029192
174930192
184831193
194732193
204633193
214434193
224334193
234235203
244136203
254036203
264037213
273937213
283937213
294037213
304036213
314136213

Wind in July

Winds average 3 mph in July.

Across July, daily wind ranges from about 3 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
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

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 4:45 AM to 5:02 AM, and sunset from 6:58 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:456:58
214.24:456:58
314.24:456:58
414.24:466:58
514.24:466:58
614.24:476:57
714.24:476:57
814.24:486:57
914.14:486:57
1014.14:496:57
1114.14:496:56
1214.14:506:56
1314.14:506:56
1414.14:516:55
1514.14:526:55
1614.04:526:55
1714.04:536:54
1814.04:536:54
1914.04:546:53
2014.04:556:53
2113.94:556:52
2213.94:566:52
2313.94:576:51
2413.94:576:51
2513.94:586:50
2613.84:596:49
2713.84:596:49
2813.85:006:48
2913.85:016:47
3013.75:026:46
3113.75:026:46

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.78 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 8.35 kWh/m² in June across the year — July's 7.78 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.2Intense
28.2Intense
38.2Intense
48.1Intense
58.1Intense
68.1Intense
78.0Intense
88.0Intense
98.0Intense
107.9Intense
117.9Intense
127.9Intense
137.8Intense
147.8Intense
157.8Intense
167.8Intense
177.8Intense
187.7Intense
197.7Intense
207.7Intense
217.7Intense
227.7Intense
237.6Intense
247.6Intense
257.6Intense
267.6Intense
277.6Intense
287.5Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in July

Is July a good time to visit San Jacinto?

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

5.8
Sightseeing
8th-best month of the year
8.7
Beach & pool
3rd-best month of the year

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

What to pack for San Jacinto in July

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

In July, San Jacinto sees daytime highs around 88°F and nights near 66°F. Pack light clothes and sun protection.

light clothessun protection

UV index in San Jacinto 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 San Jacinto peaks around June 23 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 highHighModerateJun 23UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in San Jacinto 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 San Jacinto 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 San Jacinto?

San Jacinto sits at 33.8°N, 117.0°W, 1,565 ft above sea level, in United States. The nearest listed city is Hemet, 2.5 mi away.

Topography around San Jacinto

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

Within 2 miles, the terrain around San Jacinto has only modest variations in elevation — a maximum elevation change of 522 ft around an average of 1,568 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,350 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,598 ft.

The land around San Jacinto is covered by artificial surfaces (50%) and grassland (23%) within 2 miles, shrubs (41%) and grassland (29%) within 10 miles, and shrubs (33%) within 50 miles.

2 miles
522 ft
10 miles
4,350 ft
50 miles
11,598 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Hemet 2.5 mi · East Hemet 3.1 mi · Beaumont 9.9 mi · Banning 11 mi · Menifee 11 mi · Sun City 15 mi · Perris 16 mi · Yucaipa 18 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 San Jacinto (33.7839°, -116.9586°, elevation 1,565 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).