Eau Claire weather in August

In August, Eau Claire sees average daytime highs of 78°F and overnight lows near 60°F, with 4.0 in of rain across 10 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 80°F in the first days to 77°F by the end. The sky is clear or mostly clear about 35% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 30 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Eau Claire's 3rd-clearest and 12th-windiest month. For the whole year in context, see Eau Claire's year-round climate.

Daytime high
78°
2nd warmest
Overnight low
60°
11th coldest
Rainfall
4.0 in
10 wet days
Daylight
13 h 54 min
5:13 AM – 7:07 PM
Cloud cover
55%
3rd clearest
Wind
6 mph
12th windiest
Solar energy
5.29 kWh/m²
Travel score
6.8
out of 10

Eau Claire is city in Eau Claire and Chippewa counties in Wisconsin, United States, that is the county seat of Eau Claire County.

Density
766/km²
people per km²
Founded
1856

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 80°F in the first days to 77°F by the end.

A typical August day in Eau Claire reaches about 78°F in the afternoon and slips back to 60°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 86°F. Set against its neighbours, August runs about 2°F cooler than July and about 8°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18061
28061
38061
48061
58061
67961
77960
87960
97960
107960
117960
127860
137860
147860
157860
167860
177860
187859
197859
207859
217859
227859
237859
247759
257759
267758
277758
287758
297758
307658
317657

How August really feels in Eau Claire

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Eau Claire weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan24° / 1.26.86.790.0
Feb29° / 12°1.15.75.310.10.0
Mar41° / 24°2.18.54.511.60.6
Apr55° / 36°3.511.52.613.23.4
May67° / 48°4.312.80.114.65.7
Jun77° / 58°4.512.1015.36.4
Jul80° / 62°3.310.60156.5
Aug78° / 60°4.010013.96.8
Sep71° / 52°3.39.7012.36.7
Oct57° / 39°2.990.510.74.0
Nov41° / 27°2.16.93.69.40.5
Dec29° / 15°1.56.96.28.70.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35842
45743
55644
65545
75446
85347
95248
105248
115149
125149
135149
145248
155248
165149
175149
185248
195248
205347
215347
225446
235446
245446
255545
265644
275644
285743
295743
305743
315743

Chance of precipitation in August

Any precipitation

Eau Claire gets around 4.0 in of rain over 10 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
533
633
733
833
933
1033
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2132
2232
2332
2431
2531
2631
2731
2831
2931
3031
3131

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1212827195
2212927185
3212927185
4212927175
5223027175
6223027174
7233026174
8233026174
9233025174
10243025174
11243025174
12243125173
13253125173
14253025173
15253025173
16253026173
17252926173
18252926173
19252927163
20262827163
21262827163
22272727163
23272727163
24282627153
25292627153
26302527153
27322526143
28332425143
29352425133
30372424133
31392423123

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 7 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
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 30 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 4:56 AM to 5:32 AM, and sunset from 7:28 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:567:28
214.54:577:27
314.54:587:26
414.44:597:25
514.45:007:23
614.35:017:22
714.35:037:20
814.35:047:19
914.25:057:18
1014.25:067:16
1114.15:077:15
1214.15:097:13
1314.05:107:12
1414.05:117:10
1513.95:127:08
1613.95:137:07
1713.85:157:05
1813.85:167:04
1913.75:177:02
2013.75:187:00
2113.75:196:58
2213.65:216:57
2313.65:226:55
2413.55:236:53
2513.55:246:51
2613.45:256:50
2713.45:276:48
2813.35:286:46
2913.35:296:44
3013.25:306:42
3113.15:326:40

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.29 kWh/m².

For context, solar energy here swings from a low near 1.41 kWh/m² to a high of 6.19 kWh/m² in July across the year — August's 5.29 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Eau Claire?

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

6.8
Sightseeing
1st-best month of the year
6.4
Beach & pool
2nd-best month of the year

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

What to pack for Eau Claire in August

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

In August, Eau Claire sees daytime highs around 78°F and nights near 60°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Eau Claire in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Eau Claire peaks around June 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 16UV 9Jan 12UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7Very high
Jun9Very high
Jul7Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Eau Claire?

Eau Claire sits at 44.8°N, 91.5°W, 787 ft above sea level, in United States. The nearest listed city is Menomonie, 21 mi away.

Topography around Eau Claire

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

Within 2 miles, the terrain around Eau Claire has only modest variations in elevation — a maximum elevation change of 305 ft around an average of 850 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 472 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,099 ft.

The land around Eau Claire is covered by trees (43%) and artificial surfaces (37%) within 2 miles, trees (45%) and cropland (30%) within 10 miles, and trees (53%) and cropland (34%) within 50 miles.

2 miles
305 ft
10 miles
472 ft
50 miles
1,099 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Menomonie 21 mi · Winona 53 mi · Red Wing 53 mi · River Falls 55 mi · Onalaska 65 mi · Marshfield 66 mi · Stillwater 66 mi · Hastings 66 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 Eau Claire (44.8113°, -91.4985°, elevation 787 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).