San Clemente weather in July

In July, San Clemente sees average daytime highs of 80°F and overnight lows near 65°F, with 0.1 in of rain across 0.4 wet days and about 14 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 80°F through the month. The sky is clear or mostly clear about 84% of the time in July, and the air most often feels humid.

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 Clemente's 3rd-clearest and 10th-windiest month. For the whole year in context, see San Clemente's year-round climate.

Daytime high
80°
3rd warmest
Overnight low
65°
11th coldest
Rainfall
0.1 in
0.4 wet days
Daylight
14 hours
4:56 AM – 6:56 PM
Cloud cover
18%
3rd clearest
Wind
4 mph
10th windiest
Solar energy
7.65 kWh/m²
Travel score
8.8
out of 10

San Clemente is city in Orange County, California, United States.

Density
1,300/km²
people per km²
Founded
1928

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 80°F through the month.

A typical July day in San Clemente reaches about 80°F in the afternoon and slips back to 65°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 87°F. Set against its neighbours, July runs about 5°F warmer than June and about 2°F cooler than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
17963
27963
37963
47963
58064
68064
78064
88064
98064
108064
118064
128064
138065
148065
158065
168065
178165
188165
198165
208165
218165
228165
238165
248165
258165
268165
278165
288165
298165
308165
318165

San Clemente weather by month

How July compares with the rest of the year at a glance. July is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan63° / 47°3.15.9106.4
Feb63° / 48°3.76.810.86.2
Mar65° / 50°2.16.211.76.7
Apr68° / 53°0.93.312.87.6
May71° / 56°0.4213.78.2
Jun75° / 60°0.10.414.29.2
Jul80° / 65°0.10.4148.8
Aug82° / 66°0.10.213.28.4
Sep81° / 64°0.20.812.28.7
Oct76° / 59°0.72.611.28.7
Nov69° / 52°1.03.210.37.9
Dec63° / 47°2.24.99.86.6

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 8%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6937
7937
8937
9937
10937
11928
12928
13919
14919
15919
16919
17928
18928
19919
20919
21928
22919
23919
24919
25919
26919
27919
28919
29937
30937
31937

Chance of precipitation in July

Any precipitation

San Clemente gets around 0.1 in of rain over 0.4 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
122
132
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1657343
2655363
3554374
4454384
5452395
6352405
7350416
8349427
9248427
10247438
11246439
122454310
132454310
141444311
151444412
161434412
171424413
181414413
191414514
201404515
211394515
221384616
231374616
241354716
252344817
262334817
272324917
282315017
292305117
302295217
312295217

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 4:48 AM to 5:06 AM, and sunset from 6:59 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:486:59
214.24:486:59
314.24:496:59
414.24:496:59
514.24:506:59
614.14:506:59
714.14:516:59
814.14:516:59
914.14:526:59
1014.14:526:58
1114.14:536:58
1214.14:536:58
1314.14:546:58
1414.04:546:57
1514.04:556:57
1614.04:566:56
1714.04:566:56
1814.04:576:56
1914.04:576:55
2013.94:586:55
2113.94:596:54
2213.94:596:54
2313.95:006:53
2413.95:016:52
2513.85:016:52
2613.85:026:51
2713.85:036:50
2813.85:036:50
2913.75:046:49
3013.75:056:48
3113.75:066:48

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.65 kWh/m².

For context, solar energy here swings from a low near 3.01 kWh/m² to a high of 7.82 kWh/m² in June across the year — July's 7.65 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.9Intense
27.9Intense
37.9Intense
47.9Intense
57.8Intense
67.8Intense
77.8Intense
87.8Intense
97.8Intense
107.7Intense
117.7Intense
127.7Intense
137.7Intense
147.7Intense
157.7Intense
167.7Intense
177.6Intense
187.6Intense
197.6Intense
207.6Intense
217.6Intense
227.6Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in July

Is July a good time to visit San Clemente?

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

8.8
Sightseeing
2nd-best month of the year
8.8
Beach & pool
2nd-best month of the year

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

What to pack for San Clemente in July

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

In July, San Clemente sees daytime highs around 80°F and nights near 65°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near San Clemente 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 offshore 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 San Clemente in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (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 Clemente peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJun 23UV 10Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in San Clemente 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 Clemente is worst in September — around 49 µg/m³ PM2.5 (poor), about 4.0× the cleanest month (May, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1447 µg/m³May 1713 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar19Moderate
Apr17Moderate
May12Moderate
Jun17Moderate
Jul19Moderate
Aug32Moderate
Sep49Poor
Oct21Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is San Clemente?

San Clemente sits at 33.4°N, 117.6°W, 233 ft above sea level, in United States. The nearest listed city is Dana Point, 5.6 mi away.

Topography around San Clemente

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

Within 2 miles, the terrain around San Clemente has significant variations in elevation — a maximum elevation change of 886 ft around an average of 236 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,280 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,109 ft.

The land around San Clemente is covered by artificial surfaces (35%), water (27%) and trees (21%) within 2 miles, water (44%) within 10 miles, and water (36%) and artificial surfaces (22%) within 50 miles.

2 miles
886 ft
10 miles
2,280 ft
50 miles
6,109 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Dana Point 5.6 mi · San Juan Capistrano 6.2 mi · Laguna Niguel 8.7 mi · Ladera Ranch 9.9 mi · Aliso Viejo 12 mi · Mission Viejo 12 mi · Laguna Beach 12 mi · Laguna Hills 14 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 Clemente (33.427°, -117.612°, elevation 233 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).