Patterson weather in August

In August, Patterson sees average daytime highs of 91°F and overnight lows near 63°F, with 0.1 in of rain across 0.2 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 90% of the time in August, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Patterson's 1st-clearest and 9th-windiest month. For the whole year in context, see Patterson's year-round climate.

Daytime high
91°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
0.1 in
0.2 wet days
Daylight
13 h 30 min
5:25 AM – 6:52 PM
Cloud cover
10%
1st clearest
Wind
4 mph
9th windiest
Solar energy
7.51 kWh/m²
Travel score
4.9
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 91°F through the month.

A typical August day in Patterson reaches about 91°F in the afternoon and slips back to 63°F overnight — a 28°F spread between the day's warmth and the night's chill. On most days the high lands between 84°F and 98°F. Set against its neighbours, August runs on par with July and about 5°F warmer than September.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19264
29264
39264
49264
59264
69264
79264
89264
99264
109264
119264
129263
139263
149163
159163
169163
179163
189163
199163
209163
219163
229163
239163
249163
259163
269063
279063
289063
299063
309062
319062

How August really feels in Patterson

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Patterson weather by month

How August compares with the rest of the year at a glance. August 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
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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 90% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 5%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3946
4946
5946
6946
7946
8946
9946
10955
11955
12955
13955
14955
15964
16964
17964
18964
19964
20964
21964
22964
23973
24973
25973
26973
27973
28973
29964
30964
31964

Chance of precipitation in August

Any precipitation

Patterson gets around 0.1 in of rain over 0.2 wet days in August. 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 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1881110
2881110
3881110
4881110
5881110
6881110
7881110
8881110
9881110
10881110
11881110
12891100
13891100
14881110
15881110
16881110
17871210
18871210
19881110
20881110
21881110
22881110
23891010
24891010
25891010
2690910
2790910
2890910
2991810
3091810
3190811

Wind in August

Winds average 4 mph in August.

Across August, 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 August

DaylightNight

Daylight runs from about 13 h 54 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:12 AM to 5:38 AM, and sunset from 7:09 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:127:09
213.95:137:08
313.95:147:07
413.95:157:06
513.85:157:05
613.85:167:04
713.85:177:03
813.75:187:02
913.75:197:01
1013.75:207:00
1113.65:216:58
1213.65:226:57
1313.65:226:56
1413.55:236:55
1513.55:246:53
1613.55:256:52
1713.45:266:51
1813.45:276:50
1913.35:286:48
2013.35:286:47
2113.35:296:46
2213.25:306:44
2313.25:316:43
2413.25:326:41
2513.15:336:40
2613.15:346:39
2713.05:356:37
2813.05:356:36
2913.05:366:34
3012.95:376:33
3112.95:386:31

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.51 kWh/m².

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 — August's 7.51 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.0Intense
27.9Intense
37.9Intense
47.9Intense
57.8Intense
67.8Intense
77.8Intense
87.8Intense
97.7Intense
107.7Intense
117.7Intense
127.7Intense
137.6Intense
147.6Intense
157.6Intense
167.5Intense
177.5Intense
187.5Intense
197.4Intense
207.4Intense
217.3Intense
227.3Intense
237.3Intense
247.2Intense
257.2Intense
267.1Intense
277.1Intense
287.0Intense
297.0Intense
307.0Intense
316.9Intense
Planning a trip in August

Is August a good time to visit Patterson?

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

4.9
Sightseeing
9th-best month of the year
8.4
Beach & pool
3rd-best month of the year

August 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 August

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

In August, Patterson sees daytime highs around 91°F and nights near 63°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Patterson in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).