Rancho Santa Margarita weather in July

In July, Rancho Santa Margarita sees average daytime highs of 86°F and overnight lows near 65°F, with 0.1 in of rain across 0.6 wet days and about 14 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 85% 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 Rancho Santa Margarita's 3rd-clearest and 8th-windiest month. For the whole year in context, see Rancho Santa Margarita's year-round climate.

Daytime high
86°
2nd warmest
Overnight low
65°
11th coldest
Rainfall
0.1 in
0.6 wet days
Daylight
14 hours
4:55 AM – 6:57 PM
Cloud cover
17%
3rd clearest
Wind
3 mph
8th windiest
Solar energy
7.77 kWh/m²
Travel score
6.7
out of 10

Rancho Santa Margarita is city in Orange County, California, United States.

Density
1,466/km²
people per km²
Founded
2000

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 86°F through the month.

A typical July day in Rancho Santa Margarita reaches about 86°F in the afternoon and slips back to 65°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 93°F. Set against its neighbours, July runs about 6°F warmer than June and about 2°F cooler than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18563
28563
38564
48564
58564
68564
78564
88564
98665
108665
118665
128665
138665
148665
158665
168665
178665
188665
198665
208665
218766
228766
238766
248766
258766
268766
278766
288766
298766
308766
318766

Rancho Santa Margarita weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 44°3.66.4106.5
Feb64° / 46°4.46.810.76.4
Mar67° / 48°2.66.511.76.9
Apr71° / 51°1.23.912.87.9
May74° / 56°0.62.313.78.7
Jun80° / 60°0.10.614.28.6
Jul86° / 65°0.10.6146.7
Aug88° / 66°0.10.313.26.1
Sep85° / 64°0.21.312.26.9
Oct79° / 57°0.92.811.28.5
Nov70° / 49°1.23.210.38.0
Dec64° / 44°2.55.39.86.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 85% 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
7928
8928
9928
10919
11919
12919
13919
14919
15919
16919
17919
18919
19919
20919
21919
22919
23919
249010
259010
269010
27919
28919
29919
30919
31919

Chance of precipitation in July

Any precipitation

Rancho Santa Margarita gets around 0.1 in of rain over 0.6 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 2% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302
312

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11658242
21559242
31458253
41259263
51160263
61059274
7960274
8860284
9759295
10660295
11659305
12559315
13558316
14458326
15457336
16455347
17454357
18453367
19452377
20450388
21448408
22447418
23545428
24544439
25543449
26541459
27540469
28539479
29538479
30538489
31538489

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
83calm
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 4:47 AM to 5:05 AM, and sunset from 7:00 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:477:00
214.24:487:00
314.24:487:00
414.24:497:00
514.24:497:00
614.24:507:00
714.24:507:00
814.14:516:59
914.14:516:59
1014.14:526:59
1114.14:526:59
1214.14:536:58
1314.14:536:58
1414.14:546:58
1514.04:546:57
1614.04:556:57
1714.04:566:57
1814.04:566:56
1914.04:576:56
2014.04:586:55
2113.94:586:55
2213.94:596:54
2313.95:006:53
2413.95:006:53
2513.95:016:52
2613.85:026:52
2713.85:026:51
2813.85:036:50
2913.85:046:49
3013.75:046:49
3113.75:056:48

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.77 kWh/m².

For context, solar energy here swings from a low near 2.99 kWh/m² to a high of 7.98 kWh/m² in June across the year — July's 7.77 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.1Intense
28.0Intense
38.0Intense
48.0Intense
58.0Intense
68.0Intense
77.9Intense
87.9Intense
97.9Intense
107.9Intense
117.8Intense
127.8Intense
137.8Intense
147.8Intense
157.8Intense
167.8Intense
177.8Intense
187.7Intense
197.7Intense
207.7Intense
217.7Intense
227.7Intense
237.7Intense
247.7Intense
257.6Intense
267.6Intense
277.6Intense
287.6Intense
297.6Intense
307.6Intense
317.6Intense
Planning a trip in July

Is July a good time to visit Rancho Santa Margarita?

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

6.7
Sightseeing
8th-best month of the year
9.1
Beach & pool
1st-best month of the year

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

What to pack for Rancho Santa Margarita in July

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

In July, Rancho Santa Margarita sees daytime highs around 86°F and nights near 65°F. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Rancho Santa Margarita in July

The nearest coast averages about 68°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 16 mi away) is warmest in August at about 69°F and coldest in February near 59°F.

It's comfortable for a long swim from Jul 13 to Sep 28 — about 2.6 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan59Cool
Feb59Cool
Mar59Cool
Apr60Cool
May63Cool
Jun65Cool
Jul68Refreshing
Aug69Refreshing
Sep69Refreshing
Oct67Cool
Nov64Cool
Dec60Cool

UV index in Rancho Santa Margarita 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 Rancho Santa Margarita 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 Rancho Santa Margarita 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 Rancho Santa Margarita 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 Rancho Santa Margarita?

Rancho Santa Margarita sits at 33.6°N, 117.6°W, 948 ft above sea level, in United States. The nearest listed city is Mission Viejo, 5.0 mi away.

Topography around Rancho Santa Margarita

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

Within 2 miles, the terrain around Rancho Santa Margarita has only modest variations in elevation — a maximum elevation change of 764 ft around an average of 1,007 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,564 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,967 ft.

The land around Rancho Santa Margarita is covered by artificial surfaces (41%) and trees (35%) within 2 miles, trees (43%) and artificial surfaces (21%) within 10 miles, and water (27%) and artificial surfaces (25%) within 50 miles.

2 miles
764 ft
10 miles
5,564 ft
50 miles
9,967 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Mission Viejo 5.0 mi · Lake Forest 5.0 mi · Ladera Ranch 5.0 mi · Laguna Hills 6.8 mi · Laguna Woods 7.5 mi · Aliso Viejo 8.7 mi · Stonegate 9.3 mi · Laguna Niguel 9.9 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 Rancho Santa Margarita (33.6409°, -117.6031°, elevation 948 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).