Fredericksburg weather in August

In August, Fredericksburg sees average daytime highs of 86°F and overnight lows near 70°F, with 3.5 in of rain across 10.2 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 87°F in the first days to 84°F by the end. 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 Fredericksburg's 6th-clearest and 12th-windiest month. For the whole year in context, see Fredericksburg's year-round climate.

Daytime high
86°
2nd warmest
Overnight low
70°
11th coldest
Rainfall
3.5 in
10.2 wet days
Daylight
13 h 30 min
5:29 AM – 6:59 PM
Cloud cover
57%
6th clearest
Wind
5 mph
12th windiest
Solar energy
5.35 kWh/m²
Travel score
4.9
out of 10

Fredericksburg is independent city in Virginia, United States.

Density
1,033/km²
people per km²
Founded
1691

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 87°F in the first days to 84°F by the end.

A typical August day in Fredericksburg reaches about 86°F in the afternoon and slips back to 70°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 94°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
18771
28771
38771
48771
58771
68771
78771
88771
98771
108771
118771
128670
138670
148670
158670
168670
178670
188670
198670
208669
218569
228569
238569
248569
258569
268569
278569
288568
298468
308468
318468

How August really feels in Fredericksburg

Once humidity and wind are folded in, August averages 5 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
5
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.

Fredericksburg weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan45° / 30°3.192.69.61.1
Feb48° / 32°2.88.32.310.51.9
Mar57° / 39°3.910.41.511.74.0
Apr68° / 49°3.39.60136.2
May75° / 58°3.4110146.6
Jun84° / 67°3.511.4014.65.3
Jul88° / 71°3.712.1014.44.2
Aug86° / 70°3.510.2013.54.9
Sep79° / 63°4.29.2012.36.7
Oct69° / 51°3.47.70116.8
Nov58° / 41°3.07.50.19.94.6
Dec49° / 34°3.48.71.39.42.1

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 23% of August, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45248
55248
65347
75347
85347
95347
105347
115347
125347
135248
145248
155347
165248
175347
185347
195248
205347
215347
225347
235347
245347
255248
265347
275347
285347
295347
305347
315446

Chance of precipitation in August

Any precipitation

Fredericksburg gets around 3.5 in of rain over 10.2 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 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
436
535
635
735
835
936
1036
1136
1237
1337
1437
1537
1636
1736
1835
1934
2034
2133
2232
2332
2431
2531
2630
2730
2830
2930
3031
3131

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 64% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
128193833
228193833
328193832
428193833
539203732
639203732
739203731
839203631
939213631
1049213631
1149213631
1249213630
1349213630
1449213630
1549223629
1649223728
1749233728
18310233727
19310243726
20310243726
21310243725
22310253725
23311253724
24311253624
25412263524
26412263424
27413263323
28514263223
29514263123
30615263123
31615263023

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
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 5:16 AM to 5:43 AM, and sunset from 7:16 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:167:16
214.05:167:15
313.95:177:14
413.95:187:13
513.95:197:12
613.95:207:11
713.85:217:10
813.85:227:09
913.75:237:08
1013.75:247:06
1113.75:247:05
1213.65:257:04
1313.65:267:03
1413.65:277:01
1513.55:287:00
1613.55:296:59
1713.55:306:58
1813.45:316:56
1913.45:326:55
2013.35:336:53
2113.35:346:52
2213.35:346:51
2313.25:356:49
2413.25:366:48
2513.25:376:46
2613.15:386:45
2713.15:396:43
2813.05:406:42
2913.05:416:40
3013.05:426:39
3112.95:436:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.35 kWh/m².

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 6.15 kWh/m² in June across the year — August's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
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 Fredericksburg?

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

4.9
Sightseeing
6th-best month of the year
6.7
Beach & pool
1st-best month of the year

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

What to pack for Fredericksburg in August

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

In August, Fredericksburg sees daytime highs around 86°F and nights near 70°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Fredericksburg 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 Fredericksburg peaks around July 10 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 highHighModerateJul 10UV 9Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Fredericksburg 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 Fredericksburg is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Nov 187 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar12Good
Apr13Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Fredericksburg?

Fredericksburg sits at 38.3°N, 77.5°W, 56 ft above sea level, in United States. The nearest listed city is Cherry Hill, 21 mi away.

Topography around Fredericksburg

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

Within 2 miles, the terrain around Fredericksburg has only modest variations in elevation — a maximum elevation change of 279 ft around an average of 118 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 528 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,409 ft.

The land around Fredericksburg is covered by trees (62%) and artificial surfaces (22%) within 2 miles, trees (75%) within 10 miles, and trees (72%) within 50 miles.

2 miles
279 ft
10 miles
528 ft
50 miles
3,409 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Cherry Hill 21 mi · Montclair 22 mi · Dale City 24 mi · Lake Ridge 28 mi · Buckhall 30 mi · Lorton 30 mi · Manassas 31 mi · Culpeper 31 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 Fredericksburg (38.3032°, -77.4605°, elevation 56 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).