Hanover weather in October

In October, Hanover sees average daytime highs of 65°F and overnight lows near 47°F, with 3.5 in of rain across 8 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 70°F in the first days to 60°F by the end. The sky is clear or mostly clear about 38% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Hanover's 1st-clearest and 7th-windiest month. For the whole year in context, see Hanover's year-round climate.

Daytime high
65°
6th warmest
Overnight low
47°
7th coldest
Rainfall
3.5 in
8 wet days
Daylight
10 h 54 min
6:25 AM – 5:21 PM
Cloud cover
53%
1st clearest
Wind
7 mph
7th windiest
Solar energy
3.24 kWh/m²
Travel score
6.1
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 70°F in the first days to 60°F by the end.

A typical October day in Hanover reaches about 65°F in the afternoon and slips back to 47°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 54°F and 76°F. Set against its neighbours, October runs about 12°F cooler than September and about 12°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17153
27053
37053
46952
56952
66951
76851
86851
96750
106750
116749
126649
136649
146548
156548
166547
176447
186447
196346
206346
216346
226245
236245
246244
256144
266144
276044
286043
296043
305942
315942

How October really feels in Hanover

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 6th-warmest and 5th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45545
55545
65545
75545
85545
95545
105545
115545
125545
135545
145545
155446
165347
175347
185347
195347
205347
215248
225248
235248
245149
255149
265149
275149
285149
295050
305050
315149

Chance of precipitation in October

Any precipitation

Hanover gets around 3.5 in of rain over 8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
329
429
528
627
727
826
926
1026
1126
1226
1326
1426
1526
1626
1726
1826
1926
2026
2126
2226
2326
2426
2526
2626
2726
2825
2925
3025
3125

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162171470
263161461
364161361
467151251
567151251
669151141
771141041
872141031
97314931
107613821
117713721
127713721
137813621
148112511
158112511
168312410
178511310
188511310
198710300
208710300
218810200
22899200
23899200
24899200
25908200
26908200
27917200
28917200
29917200
30936100
31936100

Wind in October

Winds average 7 mph in October.

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

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 6:09 AM to 6:42 AM, and sunset from 5:45 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:095:45
211.56:105:43
311.56:115:41
411.56:125:40
511.46:135:38
611.46:145:36
711.36:155:35
811.36:175:33
911.26:185:32
1011.26:195:30
1111.16:205:28
1211.16:215:27
1311.16:225:25
1411.06:235:24
1511.06:245:22
1610.96:255:21
1710.96:265:19
1810.86:275:18
1910.86:285:17
2010.86:295:15
2110.76:315:14
2210.76:325:12
2310.66:335:11
2410.66:345:10
2510.66:355:08
2610.56:365:07
2710.56:375:06
2810.46:385:05
2910.46:405:03
3010.46:415:02
3110.36:425:01

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.24 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 — October's 3.24 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.2Moderate
173.2Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.0Moderate
223.0Moderate
233.0Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.7Moderate
Planning a trip in October

Is October a good time to visit Hanover?

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

6.1
Sightseeing
3rd-best month of the year
2.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit Hanover for sightseeing.

What to pack for Hanover in October

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

In October, Hanover sees daytime highs around 65°F and nights near 47°F. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Hanover in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — 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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).