Cornelius weather in August

In August, Cornelius sees average daytime highs of 87°F and overnight lows near 70°F, with 3.4 in of rain across 11.5 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 87°F through the month. The sky is clear or mostly clear about 29% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Cornelius's 9th-clearest and 12th-windiest month. For the whole year in context, see Cornelius's year-round climate.

Daytime high
87°
2nd warmest
Overnight low
70°
11th coldest
Rainfall
3.4 in
11.5 wet days
Daylight
13 h 24 min
5:47 AM – 7:08 PM
Cloud cover
58%
9th clearest
Wind
4 mph
12th windiest
Solar energy
5.41 kWh/m²
Travel score
4.5
out of 10

Cornelius is town in Mecklenburg County, North Carolina, United States.

Density
876/km²
people per km²
Founded
1893

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 87°F through the month.

A typical August day in Cornelius reaches about 87°F in the afternoon and slips back to 70°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 94°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
18871
28871
38871
48871
58871
68871
78871
88871
98871
108871
118771
128771
138771
148770
158770
168770
178770
188770
198770
208770
218770
228770
238769
248769
258769
268669
278669
288669
298669
308668
318668

How August really feels in Cornelius

Once humidity and wind are folded in, August averages 21 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
21
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.

Cornelius weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan50° / 33°3.69.61.29.92.5
Feb54° / 36°3.38.71.110.73.4
Mar62° / 42°4.2100.511.75.4
Apr71° / 51°3.58.8012.96.8
May79° / 60°3.010.2013.86.5
Jun86° / 68°3.512.2014.44.6
Jul89° / 71°3.513.4014.23.8
Aug87° / 70°3.411.5013.34.5
Sep81° / 64°3.79.2012.26.4
Oct71° / 52°3.37011.17.2
Nov61° / 41°3.37.50.110.15.5
Dec53° / 36°3.790.59.63.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34852
44951
54951
64951
75050
84951
94951
105050
115050
125050
135050
144951
155050
165149
175149
185149
195149
205248
215248
225149
235248
245248
255248
265248
275347
285347
295347
305347
315347

Chance of precipitation in August

Any precipitation

Cornelius gets around 3.4 in of rain over 11.5 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 38% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
342
442
542
641
741
841
941
1041
1141
1240
1340
1440
1539
1639
1738
1837
1936
2036
2135
2235
2334
2434
2534
2633
2733
2833
2932
3032
3132

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
126143938
236153938
336153837
436163837
537163737
637163737
737163737
837173637
937173637
1036173637
1136173737
1236173737
1336173837
1436173836
1536173935
1636174034
1727174033
1827174132
1927184231
2027184329
2127184428
2228184527
2328184626
2438194624
2539194623
2639194622
27310204521
28410214520
29411214420
30511224319
31512224219

Wind in August

Winds average 4 mph in August, the calmest month.

Across August, 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
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
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 min at the start of August to 12 h 48 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 5:35 AM to 5:59 AM, and sunset from 7:24 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:357:24
213.85:367:23
313.85:377:22
413.75:387:21
513.75:387:20
613.75:397:19
713.65:407:18
813.65:417:17
913.65:417:16
1013.55:427:15
1113.55:437:14
1213.55:447:13
1313.45:457:12
1413.45:457:10
1513.45:467:09
1613.45:477:08
1713.35:487:07
1813.35:497:06
1913.25:497:04
2013.25:507:03
2113.25:517:02
2213.15:527:01
2313.15:536:59
2413.15:536:58
2513.05:546:57
2613.05:556:55
2713.05:566:54
2812.95:566:52
2912.95:576:51
3012.95:586:50
3112.85:596:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.41 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 6.19 kWh/m² in June across the year — August's 5.41 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in August

Hazard calendar for Cornelius

In seasonPeak

In August, Cornelius sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Cornelius sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Cornelius?

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

4.5
Sightseeing
8th-best month of the year
6.5
Beach & pool
2nd-best month of the year

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

What to pack for Cornelius in August

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

In August, Cornelius sees daytime highs around 87°F and nights near 70°F. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Cornelius in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cornelius peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 11UV 9Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Cornelius 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 Cornelius is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1718 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Moderate
Apr12Good
May14Moderate
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Cornelius?

Cornelius sits at 35.5°N, 80.9°W, 804 ft above sea level, in United States. The nearest listed city is Huntersville, 5.6 mi away.

Topography around Cornelius

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

Within 2 miles, the terrain around Cornelius has only modest variations in elevation — a maximum elevation change of 194 ft around an average of 787 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 509 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,723 ft.

The land around Cornelius is covered by trees (61%) within 2 miles, trees (60%) within 10 miles, and trees (72%) within 50 miles.

2 miles
194 ft
10 miles
509 ft
50 miles
2,723 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Huntersville 5.6 mi · Mooresville 7.5 mi · Kannapolis 14 mi · Concord 17 mi · Charlotte 18 mi · Statesville 21 mi · Gastonia 24 mi · Mint Hill 24 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 Cornelius (35.4868°, -80.8601°, elevation 804 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).