Aspen Hill weather in April

In April, Aspen Hill sees average daytime highs of 66°F and overnight lows near 47°F, with 3.4 in of precipitation across 10.1 wet days and about 13 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 61°F in the first days to 70°F by the end. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 36 min by month's end. Set against the rest of the year, April is Aspen Hill's 9th-clearest and 2nd-windiest month. For the whole year in context, see Aspen Hill's year-round climate.

Daytime high
66°
7th warmest
Overnight low
47°
6th coldest
Precipitation
3.4 in
10.1 wet days
Daylight
13 hours
5:38 AM – 6:39 PM
Cloud cover
61%
9th clearest
Wind
7 mph
2nd windiest
Solar energy
5.21 kWh/m²
Travel score
5.9
out of 10

Aspen Hill is census-designated place in Montgomery County, Maryland, United States.

Density
1,941/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 61°F in the first days to 70°F by the end.

A typical April day in Aspen Hill reaches about 66°F in the afternoon and slips back to 47°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 80°F. Set against its neighbours, April runs about 11°F warmer than March and about 9°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
16042
26142
36242
46243
56243
66344
76344
86444
96445
106445
116545
126546
136546
146646
156647
166647
176747
186748
196748
206748
216849
226849
236849
246949
256950
266950
276950
287051
297051
307051

How April really feels in Aspen Hill

Once humidity and wind are folded in, April 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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Aspen Hill weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24456
34555
44555
54555
64654
74654
84654
94654
104753
114753
124753
134654
144654
154555
164555
174357
184357
194258
204258
214258
224258
234159
244159
254258
264258
274159
284159
294159
304159

Chance of precipitation in April

Any precipitationSnow

Aspen Hill gets around 3.4 in of rain and snow over 10.1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 35% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1342
2342
3342
4342
5342
6331
7331
8331
9321
10321
11321
12321
13321
14321
15331
16330
17340
18340
19340
20350
21350
22350
23350
24350
25350
26350
27350
28350
29350
30350

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
197300
297300
396400
496400
594510
694510
794510
893610
993610
1092710
1192710
1292710
1391810
1490820
1589920
1689920
1789920
18881020
19881020
20871030
21871030
22861130
23861130
24841141
25831241
26811351
27811351
28791461
29791461
30771571

Wind in April

Winds average 7 mph in April.

Across April, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
107light breeze
117light breeze
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 6:02 AM to 5:18 AM, and sunset from 6:24 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:026:24
212.46:006:25
312.55:586:26
412.55:576:27
512.65:556:28
612.65:536:29
712.65:526:30
812.75:506:31
912.75:496:32
1012.85:476:33
1112.85:466:34
1212.95:446:35
1312.95:426:36
1412.95:416:37
1513.05:396:38
1613.05:386:39
1713.15:366:40
1813.15:356:41
1913.15:336:42
2013.25:326:43
2113.25:316:44
2213.35:296:45
2313.35:286:46
2413.35:266:47
2513.45:256:48
2613.45:246:49
2713.55:226:50
2813.55:216:51
2913.55:206:52
3013.65:186:53

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.21 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 — April's 5.21 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for Aspen Hill

In seasonPeak

None of Aspen Hill's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Aspen Hill 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 April a good time to visit Aspen Hill?

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

5.9
Sightseeing
4th-best month of the year
2.5
Beach & pool
7th-best month of the year

April is a reasonable time to visit Aspen Hill for sightseeing.

What to pack for Aspen Hill in April

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

In April, Aspen Hill sees daytime highs around 66°F and nights near 47°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Aspen Hill in April

The nearest coast averages about 47°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 37 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 Aspen Hill in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aspen Hill 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
Jan2Low
Feb3Moderate
Mar5High
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Aspen Hill in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Aspen Hill 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 Aspen Hill?

Aspen Hill sits at 39.1°N, 77.1°W, 328 ft above sea level, in United States. The nearest listed city is Wheaton, 3.1 mi away.

Topography around Aspen Hill

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

Within 2 miles, the terrain around Aspen Hill has only modest variations in elevation — a maximum elevation change of 285 ft around an average of 384 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 696 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,313 ft.

The land around Aspen Hill is covered by trees (68%) and artificial surfaces (20%) within 2 miles, trees (71%) within 10 miles, and trees (59%) within 50 miles.

2 miles
285 ft
10 miles
696 ft
50 miles
2,313 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Wheaton 3.1 mi · North Bethesda 3.7 mi · Rockville 4.3 mi · Cloverly 4.3 mi · White Oak 5.0 mi · Olney 5.0 mi · Redland 6.2 mi · Fairland 6.2 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 Aspen Hill (39.0795°, -77.073°, elevation 328 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).