Highland weather in July

In July, Highland sees average daytime highs of 89°F and overnight lows near 65°F, with 0.5 in of rain across 2.9 wet days and about 14 hours of daylight. It is the 2nd-warmest and 7th-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 81% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Highland's 4th-clearest and 9th-windiest month. For the whole year in context, see Highland's year-round climate.

Daytime high
89°
2nd warmest
Overnight low
65°
11th coldest
Rainfall
0.5 in
2.9 wet days
Daylight
14 h 06 min
4:52 AM – 6:57 PM
Cloud cover
20%
4th clearest
Wind
4 mph
9th windiest
Solar energy
7.89 kWh/m²
Travel score
5.4
out of 10

Highland is city in San Bernardino County, California, United States.

Density
1,121/km²
people per km²
Founded
1891

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 Highland reaches about 89°F in the afternoon and slips back to 65°F overnight — a 24°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 on par with August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
18763
28863
38863
48863
58863
68864
78864
88864
98864
108964
118964
128964
138965
148965
158965
168965
178965
188965
198965
208965
218965
228965
238965
248965
258965
268966
278966
288966
299066
309066
319066

How July really feels in Highland

Once humidity and wind are folded in, July averages 3 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
3
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.

Highland weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan57° / 40°2.25.60.9104.7
Feb58° / 40°2.76.61.110.74.8
Mar62° / 43°1.65.70.911.76.2
Apr68° / 46°0.83.30.312.87.7
May75° / 52°0.32.5013.88.7
Jun83° / 58°0.10.7014.27.8
Jul89° / 65°0.52.90145.4
Aug89° / 65°0.43013.35.3
Sep85° / 61°0.31.6012.27.2
Oct75° / 53°0.52.1011.18.8
Nov64° / 45°0.72.90.210.27.2
Dec57° / 39°1.74.60.59.84.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% 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 11%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
29010
39010
49010
59010
68911
78911
88911
98911
108911
118911
128911
138911
148911
158911
168911
178911
188911
198911
208911
218812
228812
238812
248713
258713
268713
278713
288713
298713
308911
318911

Chance of precipitation in July

Any precipitation

Highland gets around 0.5 in of rain over 2.9 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 9% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
37
47
58
68
79
89
99
109
1110
1210
1310
1410
1510
1610
1710
189
199
209
219
229
239
2410
2510
2610
2710
2810
2910
3010
3110

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
190730
289830
387940
4861040
5841150
6831250
7811360
8801460
9791560
10771670
11771670
12761770
13761770
14741880
15741880
16731980
17731980
18731980
19731980
20722080
21722080
22712081
23702091
24702091
25692191
26692191
27692191
28692191
29692191
30702181
31702181

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 18 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 36 minutes over July. Sunrise moves from 4:45 AM to 5:03 AM, and sunset from 7:00 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:457:00
214.24:457:00
314.24:457:00
414.24:467:00
514.24:466:59
614.24:476:59
714.24:476:59
814.24:486:59
914.24:486:59
1014.24:496:59
1114.14:496:58
1214.14:506:58
1314.14:516:58
1414.14:516:57
1514.14:526:57
1614.14:526:57
1714.14:536:56
1814.04:546:56
1914.04:546:55
2014.04:556:55
2114.04:566:54
2214.04:566:54
2313.94:576:53
2413.94:586:52
2513.94:586:52
2613.94:596:51
2713.85:006:50
2813.85:006:50
2913.85:016:49
3013.85:026:48
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 7.89 kWh/m².

For context, solar energy here swings from a low near 3.04 kWh/m² to a high of 8.39 kWh/m² in June across the year — July's 7.89 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.3Intense
28.3Intense
38.2Intense
48.2Intense
58.2Intense
68.1Intense
78.1Intense
88.1Intense
98.1Intense
108.0Intense
118.0Intense
128.0Intense
138.0Intense
147.9Intense
157.9Intense
167.9Intense
177.9Intense
187.9Intense
197.8Intense
207.8Intense
217.8Intense
227.8Intense
237.8Intense
247.7Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.7Intense
307.6Intense
317.6Intense
Planning a trip in July

Is July a good time to visit Highland?

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

5.4
Sightseeing
8th-best month of the year
8.3
Beach & pool
3rd-best month of the year

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

What to pack for Highland in July

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

In July, Highland sees daytime highs around 89°F and nights near 65°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Highland 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 Highland peaks around June 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Highland 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 Highland is worst in September — around 30 µg/m³ PM2.5 (moderate), about 5.3× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1427 µg/m³Dec 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar9Good
Apr9Good
May9Good
Jun16Moderate
Jul12Good
Aug15Moderate
Sep30Moderate
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Highland?

Highland sits at 34.1°N, 117.2°W, 1,309 ft above sea level, in United States. The nearest listed city is San Bernardino, 5.0 mi away.

Topography around Highland

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

Within 2 miles, the terrain around Highland has significant variations in elevation — a maximum elevation change of 1,558 ft around an average of 1,394 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,699 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,411 ft.

The land around Highland is covered by artificial surfaces (57%) within 2 miles, trees (28%), artificial surfaces (28%) and shrubs (24%) within 10 miles, and shrubs (29%) and bare terrain (21%) within 50 miles.

2 miles
1,558 ft
10 miles
6,699 ft
50 miles
11,411 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: San Bernardino 5.0 mi · Redlands 5.0 mi · Loma Linda 6.2 mi · Colton 6.8 mi · Rialto 9.3 mi · Bloomington 11 mi · Yucaipa 12 mi · Fontana 13 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 Highland (34.1283°, -117.2087°, elevation 1,309 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).