South Whittier weather in July

In July, South Whittier sees average daytime highs of 85°F and overnight lows near 64°F, with 0.1 in of rain across 0.4 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 85°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 South Whittier's 3rd-clearest and 8th-windiest month. For the whole year in context, see South Whittier's year-round climate.

Daytime high
85°
2nd warmest
Overnight low
64°
11th coldest
Rainfall
0.1 in
0.4 wet days
Daylight
14 h 06 min
4:56 AM – 6:59 PM
Cloud cover
17%
3rd clearest
Wind
4 mph
8th windiest
Solar energy
7.9 kWh/m²
Travel score
7.1
out of 10

South Whittier is census designated place in Los Angeles County, California, United States.

Density
4,128/km²
people per km²

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 85°F through the month.

A typical July day in South Whittier reaches about 85°F in the afternoon and slips back to 64°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 92°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)
18362
28363
38463
48463
58463
68463
78463
88464
98564
108564
118564
128564
138564
148564
158564
168564
178564
188564
198565
208565
218565
228665
238665
248665
258665
268665
278665
288665
298665
308665
318665

South Whittier 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° / 46°3.35.8106.7
Feb65° / 47°3.56.410.76.6
Mar67° / 49°2.25.911.77.0
Apr71° / 52°0.93.212.88.0
May75° / 56°0.42.113.78.7
Jun80° / 60°0.10.414.28.8
Jul85° / 64°0.10.4147.1
Aug87° / 65°0.00.113.36.5
Sep85° / 63°0.10.512.27.2
Oct79° / 58°0.62.111.18.6
Nov71° / 51°0.82.510.28.2
Dec64° / 46°2.259.86.8

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 8% of July, with mostly cloudy or overcast conditions the remaining 7%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3946
4946
5937
6937
7937
8937
9937
10937
11937
12937
13937
14937
15928
16928
17937
18937
19937
20937
21928
22937
23937
24937
25937
26937
27937
28937
29937
30937
31946

Chance of precipitation in July

Any precipitation

South Whittier 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 2% 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
112
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
291
301
311

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 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12564110
22463121
32264131
42164141
52064151
61964161
71864171
81764181
91664191
101662211
111562221
121561231
131560241
141460251
151458262
161457272
171357282
181356292
191256302
201255312
211255312
221155322
231154332
241154332
251153342
261153342
271152352
281152352
291152352
301152352
311251352

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 7:03 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:487:03
214.24:497:03
314.24:497:02
414.24:507:02
514.24:507:02
614.24:517:02
714.24:517:02
814.24:527:02
914.24:527:02
1014.14:537:01
1114.14:537:01
1214.14:547:01
1314.14:547:01
1414.14:557:00
1514.14:557:00
1614.14:566:59
1714.04:576:59
1814.04:576:59
1914.04:586:58
2014.04:596:58
2114.04:596:57
2213.95:006:56
2313.95:016:56
2413.95:016:55
2513.95:026:55
2613.95:036:54
2713.85:036:53
2813.85:046:53
2913.85:056:52
3013.85:066:51
3113.75:066:50

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.9 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 8.03 kWh/m² in June across the year — July's 7.9 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
68.1Intense
78.0Intense
88.0Intense
98.0Intense
108.0Intense
118.0Intense
128.0Intense
137.9Intense
147.9Intense
157.9Intense
167.9Intense
177.9Intense
187.9Intense
197.8Intense
207.8Intense
217.8Intense
227.8Intense
237.8Intense
247.8Intense
257.8Intense
267.8Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
317.7Intense
Planning a trip in July

Is July a good time to visit South Whittier?

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

7.1
Sightseeing
7th-best month of the year
9.2
Beach & pool
1st-best month of the year

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

What to pack for South Whittier in July

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

In July, South Whittier sees daytime highs around 85°F and nights near 64°F. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near South Whittier in July

The nearest coast averages about 67°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 20 mi away) is warmest in August at about 68°F and coldest in February near 59°F.

It's comfortable for a long swim from Aug 4 to Sep 13 — about 1.3 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan59Bracing
Feb59Bracing
Mar59Bracing
Apr59Cool
May62Cool
Jun65Cool
Jul67Cool
Aug68Refreshing
Sep68Refreshing
Oct66Cool
Nov63Cool
Dec60Cool

UV index in South Whittier 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 South Whittier peaks around July 11 at about 11 (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 highHighModerateJul 11UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in South Whittier 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 South Whittier 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 South Whittier?

South Whittier sits at 34.0°N, 118.0°W, 177 ft above sea level, in United States. The nearest listed city is Whittier, 1.9 mi away.

Topography around South Whittier

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

Within 2 miles, the terrain around South Whittier has only modest variations in elevation — a maximum elevation change of 499 ft around an average of 203 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,401 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,013 ft.

The land around South Whittier is covered by artificial surfaces (88%) within 2 miles, artificial surfaces (82%) within 10 miles, and water (29%) and artificial surfaces (25%) within 50 miles.

2 miles
499 ft
10 miles
1,401 ft
50 miles
10,013 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Whittier 1.9 mi · West Whittier-Los Nietos 2.5 mi · Santa Fe Springs 2.5 mi · La Mirada 2.5 mi · Pico Rivera 3.7 mi · Norwalk 4.3 mi · Hacienda Heights 5.0 mi · Downey 5.6 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 South Whittier (33.9502°, -118.0392°, elevation 177 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).