Culpeper weather in August

In August, Culpeper sees average daytime highs of 85°F and overnight lows near 67°F, with 3.1 in of rain across 9.8 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 85°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 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 Culpeper's 6th-clearest and 12th-windiest month. For the whole year in context, see Culpeper's year-round climate.

Daytime high
85°
2nd warmest
Overnight low
67°
11th coldest
Rainfall
3.1 in
9.8 wet days
Daylight
13 h 30 min
5:31 AM – 7:01 PM
Cloud cover
58%
6th clearest
Wind
4 mph
12th windiest
Solar energy
5.33 kWh/m²
Travel score
5.1
out of 10

Culpeper is town in Culpeper County, Virginia, United States.

Density
926/km²
people per km²
Founded
1759

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 85°F through the month.

A typical August day in Culpeper reaches about 85°F in the afternoon and slips back to 67°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 93°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18769
28769
38769
48669
58669
68669
78668
88668
98668
108668
118668
128668
138668
148668
158668
168568
178567
188567
198567
208567
218567
228567
238567
248567
258566
268566
278466
288466
298466
308466
318465

How August really feels in Culpeper

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.

Culpeper weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan44° / 28°3.08.22.89.60.8
Feb47° / 29°2.78.12.710.51.7
Mar56° / 37°3.8101.711.73.8
Apr67° / 47°3.49.90.1136.1
May75° / 56°3.711.3014.16.5
Jun83° / 65°3.511.4014.65.5
Jul87° / 69°3.511.3014.44.5
Aug85° / 67°3.19.8013.55.1
Sep79° / 60°4.49.2012.36.8
Oct68° / 48°3.27.60116.7
Nov56° / 38°3.07.40.39.94.2
Dec47° / 32°3.38.51.89.41.7

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 22% of August, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
25050
35050
45050
55248
65248
75248
85248
95248
105248
115248
125248
135149
145149
155149
165248
175248
185248
195248
205248
215248
225248
235248
245149
255149
265149
275149
285050
295149
305149
315149

Chance of precipitation in August

Any precipitation

Culpeper gets around 3.1 in of rain over 9.8 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
433
533
633
733
833
933
1033
1133
1234
1334
1434
1534
1634
1734
1834
1933
2033
2132
2232
2332
2431
2531
2630
2730
2830
2930
3030
3130

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 51% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1512254018
2612253918
3613253918
4613253818
5713253718
6713253618
7714253619
8714253519
9814253519
10814253519
11814253519
12814253518
13814253518
14814253517
15815253617
16815253616
17715263615
18716263714
19716263713
20717263712
21717273812
22717273811
23718273811
24718273710
25819273710
26919263610
271019263410
281020263311
291120263211
301220253111
311320253111

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 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 5:17 AM to 5:45 AM, and sunset from 7:19 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:177:19
214.05:187:18
314.05:197:17
413.95:207:16
513.95:217:15
613.95:227:14
713.85:237:12
813.85:247:11
913.85:247:10
1013.75:257:09
1113.75:267:08
1213.75:277:06
1313.65:287:05
1413.65:297:04
1513.55:307:03
1613.55:317:01
1713.55:327:00
1813.45:336:59
1913.45:346:57
2013.45:356:56
2113.35:356:54
2213.35:366:53
2313.25:376:52
2413.25:386:50
2513.25:396:49
2613.15:406:47
2713.15:416:46
2813.05:426:44
2913.05:436:43
3013.05:446:41
3112.95:456:40

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.33 kWh/m².

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 6.17 kWh/m² in June across the year — August's 5.33 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
314.9Bright
Planning a trip in August

Is August a good time to visit Culpeper?

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

5.1
Sightseeing
6th-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for Culpeper in August

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

In August, Culpeper sees daytime highs around 85°F and nights near 67°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Culpeper in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Culpeper peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 9Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Culpeper 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 Culpeper is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 168 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr15Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Culpeper?

Culpeper sits at 38.5°N, 78.0°W, 413 ft above sea level, in United States. The nearest listed city is Linton Hall, 30 mi away.

Topography around Culpeper

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

Within 2 miles, the terrain around Culpeper has only modest variations in elevation — a maximum elevation change of 279 ft around an average of 427 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,145 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,190 ft.

The land around Culpeper is covered by trees (39%) and grassland (39%) within 2 miles, trees (56%) and grassland (30%) within 10 miles, and trees (72%) and grassland (20%) within 50 miles.

2 miles
279 ft
10 miles
1,145 ft
50 miles
4,190 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Linton Hall 30 mi · Fredericksburg 31 mi · Front Royal 32 mi · Manassas 34 mi · Sudley 35 mi · Buckhall 35 mi · Manassas Park 35 mi · Montclair 37 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 Culpeper (38.4732°, -77.9967°, elevation 413 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).