Patterson weather in July

In July, Patterson sees average daytime highs of 92°F and overnight lows near 64°F, with 0.0 in of rain across 0.2 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 92°F through the month. The sky is clear or mostly clear about 90% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Patterson's 2nd-clearest and 7th-windiest month. For the whole year in context, see Patterson's year-round climate.

Daytime high
92°
1st warmest
Overnight low
64°
12th coldest
Rainfall
0.0 in
0.2 wet days
Daylight
14 h 18 min
5:00 AM – 7:21 PM
Cloud cover
10%
2nd clearest
Wind
5 mph
7th windiest
Solar energy
8.26 kWh/m²
Travel score
4.4
out of 10

Patterson is city in Stanislaus County, California, United States.

Density
1,390/km²
people per km²
Founded
1909

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 92°F through the month.

A typical July day in Patterson reaches about 92°F in the afternoon and slips back to 64°F overnight — a 28°F spread between the day's warmth and the night's chill. On most days the high lands between 85°F and 100°F. Set against its neighbours, July runs about 5°F warmer than June and on par with August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19163
29163
39263
49263
59263
69263
79263
89263
99264
109264
119264
129264
139264
149264
159264
169264
179264
189364
199364
209364
219364
229364
239364
249364
259364
269364
279364
289364
299364
309264
319264

How July really feels in Patterson

Once humidity and wind are folded in, July averages 31 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
31
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.

Patterson weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 42°3.38.89.74.2
Feb60° / 44°3.28.910.65.0
Mar65° / 46°2.68.911.76.2
Apr71° / 49°1.35.112.97.6
May79° / 55°0.73.1148.1
Jun87° / 60°0.2114.56.2
Jul92° / 64°0.00.214.34.4
Aug91° / 63°0.10.213.44.9
Sep86° / 60°0.10.812.36.7
Oct77° / 54°0.82.4118.6
Nov65° / 46°1.55.5106.6
Dec57° / 41°2.88.29.54.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 90% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 4% of July, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2946
3946
4946
5946
6955
7955
8955
9955
10955
11955
12946
13946
14946
15946
16946
17946
18946
19946
20946
21937
22937
23937
24937
25937
26937
27937
28946
29946
30946
31946

Chance of precipitation in July

Any precipitation

Patterson gets around 0.0 in of rain over 0.2 wet days in July, the driest month. 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 (%)
12
22
32
41
51
61
71
81
91
101
110
121
131
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 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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19451
29451
39451
49451
59451
69451
79451
89361
99361
109361
119172
129172
139082
149082
158992
168992
1788102
1888102
1987112
2087112
2187112
2287121
2387121
2487121
2586122
2686122
2786122
2886122
2986122
3086122
3188111

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
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 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:51 AM to 5:11 AM, and sunset from 7:25 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:517:25
214.54:527:24
314.54:527:24
414.54:537:24
514.54:537:24
614.54:547:24
714.54:547:24
814.54:557:24
914.54:557:23
1014.54:567:23
1114.44:567:23
1214.44:577:22
1314.44:587:22
1414.44:587:22
1514.44:597:21
1614.35:007:21
1714.35:007:20
1814.35:017:20
1914.35:027:19
2014.35:037:18
2114.25:037:18
2214.25:047:17
2314.25:057:16
2414.25:067:16
2514.15:067:15
2614.15:077:14
2714.15:087:13
2814.15:097:13
2914.05:107:12
3014.05:107:11
3114.05:117:10

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 8.26 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 8.26 kWh/m² in June across the year — July's 8.26 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.4Intense
28.4Intense
38.4Intense
48.4Intense
58.4Intense
68.4Intense
78.4Intense
88.4Intense
98.4Intense
108.3Intense
118.3Intense
128.3Intense
138.3Intense
148.3Intense
158.3Intense
168.3Intense
178.2Intense
188.2Intense
198.2Intense
208.2Intense
218.2Intense
228.2Intense
238.1Intense
248.1Intense
258.1Intense
268.1Intense
278.1Intense
288.0Intense
298.0Intense
308.0Intense
318.0Intense
Planning a trip in July

Is July a good time to visit Patterson?

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

4.4
Sightseeing
10th-best month of the year
8.2
Beach & pool
4th-best month of the year

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

What to pack for Patterson in July

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

In July, Patterson sees daytime highs around 92°F and nights near 64°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Patterson 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 Patterson peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 21UV 10Dec 17UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Patterson 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 Patterson is worst in August — around 34 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1832 µg/m³Jun 157 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul9Good
Aug34Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec12Good
Location & terrain

Where is Patterson?

Patterson sits at 37.5°N, 121.1°W, 102 ft above sea level, in United States. The nearest listed city is Ceres, 12 mi away.

Topography around Patterson

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

Within 2 miles, the terrain around Patterson has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 105 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,142 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,298 ft.

The land around Patterson is covered by cropland (32%), artificial surfaces (25%) and trees (23%) within 2 miles, grassland (41%), cropland (32%) and trees (21%) within 10 miles, and grassland (46%) and trees (24%) within 50 miles.

2 miles
108 ft
10 miles
2,142 ft
50 miles
4,298 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Ceres 12 mi · Modesto 14 mi · Turlock 16 mi · Ripon 19 mi · Riverbank 21 mi · Manteca 23 mi · Tracy 25 mi · Lathrop 25 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 Patterson (37.4716°, -121.1297°, elevation 102 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).