Hanover weather in April

In April, Hanover sees average daytime highs of 63°F and overnight lows near 45°F, with 3.5 in of precipitation across 10.3 wet days and about 13 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 58°F in the first days to 67°F by the end. The sky is clear or mostly clear about 26% 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 Hanover's 8th-clearest and 4th-windiest month. For the whole year in context, see Hanover's year-round climate.

Daytime high
63°
7th warmest
Overnight low
45°
6th coldest
Precipitation
3.5 in
10.3 wet days
Daylight
13 hours
5:37 AM – 6:40 PM
Cloud cover
63%
8th clearest
Wind
8 mph
4th windiest
Solar energy
5.13 kWh/m²
Travel score
5.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 58°F in the first days to 67°F by the end.

A typical April day in Hanover reaches about 63°F in the afternoon and slips back to 45°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 76°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)
15740
25840
35840
45941
55941
66041
76042
86042
96142
106143
116243
126244
136244
146344
156345
166445
176445
186446
196446
206546
216546
226547
236547
246647
256648
266648
276748
286749
296749
306749

How April really feels in Hanover

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.

Hanover weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 26°3.18.83.99.50.0
Feb42° / 27°2.88.7410.40.4
Mar51° / 34°3.810.42.911.72.5
Apr63° / 45°3.510.30.2135.3
May72° / 54°3.611.7014.26.3
Jun81° / 63°3.411014.86.1
Jul85° / 68°3.711.1014.55.1
Aug83° / 66°3.410.1013.65.9
Sep76° / 59°4.49.2012.36.9
Oct65° / 47°3.58010.96.1
Nov53° / 37°3.07.80.59.83.2
Dec43° / 30°3.48.92.39.20.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23961
34060
44060
54060
64159
74159
84258
94258
104258
114258
124159
134159
144159
154060
164060
174060
184060
194060
204060
213961
224060
234060
244060
254159
264159
274060
284159
294159
304159

Chance of precipitation in April

Any precipitationSnow

Hanover gets around 3.5 in of rain and snow over 10.3 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 35% and peaks near 37% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1344
2344
3353
4353
5353
6353
7342
8342
9342
10341
11341
12341
13341
14341
15351
16351
17350
18350
19350
20350
21350
22350
23350
24360
25360
26360
27360
28370
29370
30370

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29820
39820
49820
59730
69730
79730
89640
99640
109640
119451
129451
139451
149361
159361
169361
179271
189271
199271
209172
219082
229082
239082
248893
258893
2687103
2787103
2885114
2984124
3083134

Wind in April

Winds average 8 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.

051015151015202530
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
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
247light breeze
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 6:01 AM to 5:17 AM, and sunset from 6:24 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:016:24
212.45:596:25
312.55:586:26
412.55:566:27
512.65:546:28
612.65:536:29
712.75:516:30
812.75:496:31
912.75:486:32
1012.85:466:33
1112.85:456:34
1212.95:436:36
1312.95:416:37
1413.05:406:38
1513.05:386:39
1613.05:376:40
1713.15:356:41
1813.15:346:42
1913.25:326:43
2013.25:316:44
2113.35:296:45
2213.35:286:46
2313.35:266:47
2413.45:256:48
2513.45:236:49
2613.55:226:50
2713.55:216:51
2813.55:196:52
2913.65:186:53
3013.65:176:54

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.13 kWh/m².

For context, solar energy here swings from a low near 1.83 kWh/m² to a high of 6.12 kWh/m² in June across the year — April's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Is April a good time to visit Hanover?

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

5.3
Sightseeing
6th-best month of the year
1.5
Beach & pool
7th-best month of the year

April is a reasonable time to visit Hanover for sightseeing.

What to pack for Hanover in April

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

In April, Hanover sees daytime highs around 63°F and nights near 45°F. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

UV index in Hanover 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 Hanover peaks around June 22 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 highHighModerateLowJun 22UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Hanover 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 Hanover 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 1317 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar12Moderate
Apr12Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Hanover?

Hanover sits at 39.8°N, 77.0°W, 600 ft above sea level, in United States. The nearest listed city is Westminster, 16 mi away.

Topography around Hanover

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

Within 2 miles, the terrain around Hanover has only modest variations in elevation — a maximum elevation change of 259 ft around an average of 610 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,047 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,434 ft.

The land around Hanover is covered by artificial surfaces (37%), grassland (29%) and trees (21%) within 2 miles, trees (39%), cropland (30%) and grassland (27%) within 10 miles, and trees (54%) and cropland (20%) within 50 miles.

2 miles
259 ft
10 miles
1,047 ft
50 miles
2,434 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Westminster 16 mi · York 17 mi · Reisterstown 24 mi · Eldersburg 27 mi · Hunt Valley 27 mi · Owings Mills 29 mi · Cockeysville 29 mi · Carlisle 30 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 Hanover (39.8007°, -76.983°, elevation 600 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).