Brightwood weather in August

In August, Brightwood sees average daytime highs of 85°F and overnight lows near 68°F, with 3.5 in of rain across 10.1 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 7th-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 h 06 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Brightwood's 4th-clearest and 12th-windiest month. For the whole year in context, see Brightwood's year-round climate.

Daytime high
85°
2nd warmest
Overnight low
68°
11th coldest
Rainfall
3.5 in
10.1 wet days
Daylight
13 h 30 min
5:26 AM – 6:58 PM
Cloud cover
58%
4th clearest
Wind
5 mph
12th windiest
Solar energy
5.35 kWh/m²
Travel score
5.1
out of 10

Brightwood is neighborhood in Washington, D.C..

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 Brightwood reaches about 85°F in the afternoon and slips back to 68°F overnight — a 17°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.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18770
28770
38770
48770
58770
68770
78769
88669
98669
108669
118669
128669
138669
148669
158669
168669
178568
188568
198568
208568
218568
228568
238568
248567
258567
268467
278467
288467
298467
308467
318466

How August really feels in Brightwood

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.

Brightwood weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan43° / 28°3.18.62.99.60.4
Feb46° / 29°2.98.52.810.51.2
Mar55° / 36°3.910.31.911.73.4
Apr66° / 47°3.410.10.1135.9
May74° / 56°3.811014.16.6
Jun83° / 65°3.511.3014.75.4
Jul88° / 70°4.112.1014.54.3
Aug85° / 68°3.510.1013.55.1
Sep79° / 61°4.39.3012.36.8
Oct67° / 49°3.47.80116.6
Nov56° / 39°2.97.50.29.94.1
Dec47° / 32°3.58.81.69.31.5

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 (%)
15050
25050
35050
45050
55149
65149
75149
85050
95149
105149
115149
125149
135248
145248
155248
165248
175347
185347
195347
205248
215248
225347
235347
245248
255248
265248
275248
285149
295149
305149
315149

Chance of precipitation in August

Any precipitation

Brightwood gets around 3.5 in of rain over 10.1 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 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
337
436
536
636
736
836
936
1037
1137
1237
1336
1436
1536
1635
1735
1834
1933
2033
2132
2231
2330
2430
2529
2629
2729
2829
2929
3029
3129

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1711233623
2712233523
3712223523
4812223423
5813223423
6813223423
7813223423
8913223423
9913223423
10912223423
11912223422
12912223422
13912233521
14912233521
15912233521
16912243520
17913243519
18913243519
19913253518
20913253518
21914253517
22914253417
231014253417
241015253317
251115253217
261116253117
271217253016
281317252916
291418242816
301418242716
311518242716

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 h 06 min 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 72 minutes over August. Sunrise moves from 5:12 AM to 5:40 AM, and sunset from 7:16 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:127:16
214.05:137:15
314.05:147:14
414.05:157:13
513.95:167:12
613.95:177:11
713.95:187:09
813.85:197:08
913.85:207:07
1013.85:217:06
1113.75:227:05
1213.75:227:03
1313.65:237:02
1413.65:247:01
1513.65:257:00
1613.55:266:58
1713.55:276:57
1813.55:286:56
1913.45:296:54
2013.45:306:53
2113.35:316:51
2213.35:326:50
2313.35:336:48
2413.25:346:47
2513.25:356:45
2613.15:356:44
2713.15:366:42
2813.15:376:41
2913.05:386:39
3013.05:396:38
3112.95:406:36

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 1.95 kWh/m² to a high of 6.14 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
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
314.9Bright
Planning a trip in August

Hazard calendar for Brightwood

In seasonPeak

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

Brightwood 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 Brightwood?

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
6.8
Beach & pool
1st-best month of the year

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

What to pack for Brightwood in August

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

In August, Brightwood sees daytime highs around 85°F and nights near 68°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Brightwood in August

The nearest coast averages about 78°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 mi away) is warmest in August at about 78°F and coldest in February near 37°F.

It's comfortable for a long swim from Jun 16 to Oct 6 — about 3.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb37Bracing
Mar40Bracing
Apr47Bracing
May58Bracing
Jun68Refreshing
Jul76Warm
Aug78Warm
Sep74Refreshing
Oct65Cool
Nov54Bracing
Dec45Bracing

UV index in Brightwood 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 Brightwood peaks around July 11 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 highHighModerateLowJul 11UV 9Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Brightwood 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 Brightwood is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Brightwood?

Brightwood sits at 39.0°N, 77.0°W, 292 ft above sea level, in United States. The nearest listed city is Kennedy Street, 0.6 mi away.

Topography around Brightwood

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

Within 2 miles, the terrain around Brightwood has only modest variations in elevation — a maximum elevation change of 328 ft around an average of 253 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 584 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,116 ft.

The land around Brightwood is covered by trees (56%) and artificial surfaces (40%) within 2 miles, trees (63%) and artificial surfaces (27%) within 10 miles, and trees (58%) within 50 miles.

2 miles
328 ft
10 miles
584 ft
50 miles
2,116 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Kennedy Street 0.6 mi · Petworth 1.2 mi · Takoma Park 1.9 mi · Central 14th Street / Spring Road 1.9 mi · Chillum 1.9 mi · Park View 1.9 mi · Silver Spring 1.9 mi · Pleasant Plains 1.9 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 Brightwood (38.9612°, -77.0275°, elevation 292 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).