Ripon weather in August

In August, Ripon sees average daytime highs of 91°F and overnight lows near 63°F, with 0.0 in of rain across 0.2 wet days and about 13.5 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 91% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Ripon's 1st-clearest and 5th-windiest month. For the whole year in context, see Ripon's year-round climate.

Daytime high
91°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
0.0 in
0.2 wet days
Daylight
13 h 30 min
5:25 AM – 6:53 PM
Cloud cover
9%
1st clearest
Wind
6 mph
5th windiest
Solar energy
7.46 kWh/m²
Travel score
5.1
out of 10

Ripon is city in California, United States.

Density
1,072/km²
people per km²
Founded
1945

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 Ripon 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 85°F and 97°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
49164
59163
69163
79163
89163
99163
109163
119163
129163
139163
149163
159163
169163
179163
189163
199163
209163
219163
229163
239063
249063
259063
269063
279063
289063
299062
309062
319062

How August really feels in Ripon

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.

Ripon 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
Jan58° / 42°3.68.49.74.5
Feb62° / 44°3.38.710.55.5
Mar67° / 47°2.88.311.76.6
Apr73° / 50°1.44.712.97.8
May82° / 56°0.83147.6
Jun89° / 61°0.10.814.65.6
Jul92° / 64°0.00.114.34.5
Aug91° / 63°0.00.213.55.1
Sep86° / 60°0.10.612.36.6
Oct78° / 53°0.92.6118.5
Nov66° / 46°1.85.5106.8
Dec58° / 41°3.48.39.44.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 91% 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 4%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3946
4946
5946
6955
7955
8955
9955
10955
11955
12955
13964
14964
15964
16964
17964
18964
19964
20964
21964
22964
23964
24964
25964
26964
27964
28964
29964
30973
31973

Chance of precipitation in August

Any precipitation

Ripon gets around 0.0 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1583750
2593650
3593650
4593650
5603550
6603550
7613450
8613450
9613450
10613450
11613450
12623440
13623440
14623440
15623440
16623440
17623440
18623440
19623440
20623440
21623440
22623440
23623440
24623440
25633340
26633340
27643240
28643141
29653041
30662941
31682741

Wind in August

Winds average 6 mph in August.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 hours 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 66 minutes over August. Sunrise moves from 5:11 AM to 5:38 AM, and sunset from 7:10 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:117:10
213.95:127:09
313.95:137:08
413.95:147:07
513.85:157:06
613.85:167:05
713.85:177:03
813.75:187:02
913.75:187:01
1013.75:197:00
1113.65:206:59
1213.65:216:58
1313.65:226:56
1413.55:236:55
1513.55:246:54
1613.55:256:53
1713.45:256:51
1813.45:266:50
1913.45:276:49
2013.35:286:47
2113.35:296:46
2213.25:306:45
2313.25:316:43
2413.25:326:42
2513.15:326:40
2613.15:336:39
2713.15:346:37
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 7.46 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 8.24 kWh/m² in June across the year — August's 7.46 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.9Intense
27.9Intense
37.9Intense
47.8Intense
57.8Intense
67.8Intense
77.8Intense
87.7Intense
97.7Intense
107.7Intense
117.6Intense
127.6Intense
137.6Intense
147.5Intense
157.5Intense
167.5Intense
177.4Intense
187.4Intense
197.4Intense
207.3Intense
217.3Intense
227.3Intense
237.2Intense
247.2Intense
257.1Intense
267.1Intense
277.0Intense
287.0Intense
297.0Intense
306.9Intense
316.9Intense
Planning a trip in August

Is August a good time to visit Ripon?

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

5.1
Sightseeing
9th-best month of the year
8.5
Beach & pool
3rd-best month of the year

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

What to pack for Ripon in August

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

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

light clothessun protection

UV index in Ripon 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 Ripon 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 Ripon 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 Ripon is worst in August — around 29 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1928 µg/m³Jun 118 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar14Moderate
Apr11Good
May9Good
Jun8Good
Jul15Moderate
Aug29Moderate
Sep22Moderate
Oct17Moderate
Nov15Moderate
Dec12Moderate
Location & terrain

Where is Ripon?

Ripon sits at 37.7°N, 121.1°W, 69 ft above sea level, in United States. The nearest listed city is Manteca, 6.2 mi away.

Topography around Ripon

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

Within 2 miles, the terrain around Ripon has only modest variations in elevation — a maximum elevation change of 98 ft around an average of 66 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 187 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,259 ft.

The land around Ripon is covered by trees (38%) and artificial surfaces (28%) within 2 miles, trees (37%) and cropland (29%) within 10 miles, and grassland (44%) and trees (26%) within 50 miles.

2 miles
98 ft
10 miles
187 ft
50 miles
4,259 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Manteca 6.2 mi · Modesto 9.9 mi · Lathrop 9.9 mi · Riverbank 11 mi · Ceres 14 mi · Oakdale 16 mi · Tracy 17 mi · Stockton 17 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 Ripon (37.7416°, -121.1244°, elevation 69 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).