North Potomac weather in April

In April, North Potomac sees average daytime highs of 65°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 9th-wettest month of the year here.

Highs climb over the month, from about 61°F in the first days to 69°F by the end. The sky is clear or mostly clear about 28% 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 North Potomac's 9th-clearest and 4th-windiest month. For the whole year in context, see North Potomac's year-round climate.

Daytime high
65°
7th warmest
Overnight low
47°
6th coldest
Precipitation
3.4 in
10.1 wet days
Daylight
13 hours
5:39 AM – 6:40 PM
Cloud cover
61%
9th clearest
Wind
7 mph
4th windiest
Solar energy
5.2 kWh/m²
Travel score
5.8
out of 10

North Potomac is census-designated place in Montgomery County, Maryland, United States.

Density
1,436/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 69°F by the end.

A typical April day in North Potomac reaches about 65°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 79°F. Set against its neighbours, April runs about 12°F warmer than March and about 9°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
16042
26142
36142
46243
56243
66244
76344
86344
96445
106445
116445
126546
136546
146546
156647
166647
176647
186747
196748
206748
216748
226849
236849
246849
256850
266950
276950
286951
296951
307051

How April really feels in North Potomac

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.

North Potomac weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan42° / 28°3.18.439.60.3
Feb46° / 29°2.88.32.810.51.1
Mar54° / 36°3.910.21.911.73.3
Apr65° / 47°3.410.10.1135.8
May74° / 56°3.911.4014.16.5
Jun83° / 65°3.611.2014.75.5
Jul88° / 70°4.111.7014.54.3
Aug85° / 68°3.610.8013.55.0
Sep78° / 61°4.59.3012.36.8
Oct67° / 49°3.57.80116.5
Nov56° / 39°3.07.50.29.93.9
Dec46° / 32°3.591.89.31.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24357
34357
44357
54555
64555
74555
84654
94654
104654
114753
124555
134555
144555
154456
164357
174357
184357
194258
204258
214258
224258
234258
244159
254159
264159
274159
284159
294258
304357

Chance of precipitation in April

Any precipitationSnow

North Potomac 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 38% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1332
2332
3332
4332
5332
6331
7321
8321
9321
10321
11311
12311
13321
14321
15331
16330
17340
18340
19350
20350
21350
22360
23360
24360
25370
26370
27370
28380
29380
30380

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
296400
396400
496400
595500
695500
793610
893610
992710
1092710
1192710
1291810
1391810
1490910
1589920
1689920
1789920
1889920
19881020
20871030
21871030
22871030
23851140
24841141
25831241
26821251
27811351
28801361
29781471
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
108light breeze
118light breeze
128light breeze
137light breeze
147light breeze
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 5:19 AM, and sunset from 6:25 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:026:25
212.46:016:26
312.55:596:27
412.55:576:28
512.65:566:29
612.65:546:30
712.65:536:31
812.75:516:32
912.75:496:33
1012.85:486:34
1112.85:466:35
1212.95:456:36
1312.95:436:37
1412.95:426:38
1513.05:406:39
1613.05:396:40
1713.15:376:41
1813.15:366:42
1913.15:346:43
2013.25:336:44
2113.25:316:45
2213.35:306:46
2313.35:286:47
2413.35:276:48
2513.45:266:49
2613.45:246:50
2713.55:236:51
2813.55:226:52
2913.55:206:53
3013.65:196:54

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.2 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 5.2 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
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in April

Is April a good time to visit North Potomac?

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

5.8
Sightseeing
4th-best month of the year
2.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit North Potomac for sightseeing.

What to pack for North Potomac in April

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

In April, North Potomac sees daytime highs around 65°F and nights near 47°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in North Potomac 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 North Potomac 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 North Potomac 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 North Potomac 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 North Potomac?

North Potomac sits at 39.1°N, 77.3°W, 259 ft above sea level, in United States. The nearest listed city is Gaithersburg, 5.6 mi away.

Topography around North Potomac

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

Within 2 miles, the terrain around North Potomac has only modest variations in elevation — a maximum elevation change of 502 ft around an average of 338 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 712 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,533 ft.

The land around North Potomac is covered by trees (79%) within 2 miles, trees (71%) within 10 miles, and trees (61%) within 50 miles.

2 miles
502 ft
10 miles
712 ft
50 miles
2,533 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Gaithersburg 5.6 mi · Potomac 5.6 mi · Great Falls 6.2 mi · Rockville 6.2 mi · Germantown 6.2 mi · Montgomery Village 7.5 mi · Redland 8.1 mi · North Bethesda 8.1 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 North Potomac (39.0829°, -77.265°, elevation 259 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).