Reisterstown weather in August

In August, Reisterstown sees average daytime highs of 83°F and overnight lows near 67°F, with 4.0 in of rain across 11.1 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 85°F in the first days to 82°F by the end. The sky is clear or mostly clear about 28% 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 13 hours by month's end. Set against the rest of the year, August is Reisterstown's 4th-clearest and 12th-windiest month. For the whole year in context, see Reisterstown's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
67°
11th coldest
Rainfall
4.0 in
11.1 wet days
Daylight
13 h 36 min
5:25 AM – 6:58 PM
Cloud cover
58%
4th clearest
Wind
5 mph
12th windiest
Solar energy
5.3 kWh/m²
Travel score
5.6
out of 10

Reisterstown is census-designated place in Baltimore County, Maryland, United States.

Density
1,940/km²
people per km²
Founded
1758

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 85°F in the first days to 82°F by the end.

A typical August day in Reisterstown reaches about 83°F in the afternoon and slips back to 67°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 91°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)
18569
28569
38568
48568
58568
68468
78468
88468
98468
108468
118468
128467
138467
148367
158367
168367
178367
188367
198367
208367
218366
228366
238366
248266
258266
268266
278265
288265
298265
308265
318265

How August really feels in Reisterstown

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.

Reisterstown weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 27°3.28.73.59.50.0
Feb43° / 28°2.98.83.710.40.6
Mar52° / 35°4.010.52.511.72.7
Apr64° / 45°3.710.70.3135.4
May73° / 55°3.912.1014.16.3
Jun82° / 64°4.011.9014.75.8
Jul86° / 69°4.412.2014.54.8
Aug83° / 67°4.011.1013.55.6
Sep76° / 60°4.89.8012.36.8
Oct65° / 48°3.78.30116.2
Nov54° / 38°3.17.80.39.83.4
Dec44° / 31°3.78.91.99.30.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
65050
74951
84951
95050
104951
114951
125050
135149
145149
155149
165248
175248
185248
195347
205347
215347
225347
235347
245347
255347
265248
275248
285248
295248
305248
315248

Chance of precipitation in August

Any precipitation

Reisterstown gets around 4.0 in of rain over 11.1 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 37% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
338
438
538
638
738
838
939
1039
1139
1240
1340
1440
1540
1639
1739
1838
1937
2036
2136
2235
2334
2433
2533
2633
2732
2832
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 32% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1813253420
2813253419
3913253419
4913243419
5914243419
61014243320
71014233319
81014233319
91014233319
101014233319
111015233318
121015233318
131115233317
141116233317
151116233316
161116243316
171117243315
181117243315
191118243314
201118253313
211119253312
221119253312
231219253211
241220253211
251321253110
261421243110
271422243010
281522232910
291623232810
301623232810
311723222710

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 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:10 AM to 5:39 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)
114.15:107:16
214.15:117:15
314.05:127:14
414.05:137:13
514.05:147:12
613.95:157:11
713.95:167:10
813.95:177:09
913.85:187:07
1013.85:197:06
1113.85:207:05
1213.75:217:04
1313.75:227:02
1413.65:237:01
1513.65:247:00
1613.65:256:58
1713.55:256:57
1813.55:266:56
1913.45:276:54
2013.45:286:53
2113.45:296:51
2213.35:306:50
2313.35:316:48
2413.25:326:47
2513.25:336:45
2613.25:346:44
2713.15:356:42
2813.15:366:41
2913.05:376:39
3013.05:386:37
3113.05:396:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.3 kWh/m².

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 6.11 kWh/m² in June across the year — August's 5.3 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
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in August

Hazard calendar for Reisterstown

In seasonPeak

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

Reisterstown 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 Reisterstown?

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

5.6
Sightseeing
5th-best month of the year
6.7
Beach & pool
1st-best month of the year

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

What to pack for Reisterstown in August

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

In August, Reisterstown sees daytime highs around 83°F and nights near 67°F. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Reisterstown 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 34 mi away) is warmest in August at about 78°F and coldest in February near 36°F.

It's comfortable for a long swim from Jun 16 to Oct 5 — 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
Feb36Bracing
Mar40Bracing
Apr47Bracing
May58Bracing
Jun68Refreshing
Jul76Warm
Aug78Warm
Sep74Refreshing
Oct65Cool
Nov53Bracing
Dec44Bracing

UV index in Reisterstown 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 Reisterstown peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Reisterstown 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 Reisterstown is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1417 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Reisterstown?

Reisterstown sits at 39.5°N, 76.8°W, 725 ft above sea level, in United States. The nearest listed city is Owings Mills, 4.3 mi away.

Topography around Reisterstown

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

Within 2 miles, the terrain around Reisterstown has only modest variations in elevation — a maximum elevation change of 328 ft around an average of 666 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,119 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,234 ft.

The land around Reisterstown is covered by trees (71%) within 2 miles, trees (62%) and grassland (22%) within 10 miles, and trees (53%) within 50 miles.

2 miles
328 ft
10 miles
1,119 ft
50 miles
2,234 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Owings Mills 4.3 mi · Randallstown 7.5 mi · Eldersburg 8.1 mi · Pikesville 8.7 mi · Milford Mill 9.3 mi · Cockeysville 9.9 mi · Hunt Valley 11 mi · Lochearn 11 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 Reisterstown (39.4698°, -76.8319°, elevation 725 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).