Mount Vernon weather in October

In October, Mount Vernon sees average daytime highs of 63°F and overnight lows near 50°F, with 3.9 in of rain across 8.5 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 68°F in the first days to 58°F by the end. The sky is clear or mostly clear about 37% 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 Mount Vernon's 1st-clearest and 7th-windiest month. For the whole year in context, see Mount Vernon's year-round climate.

Daytime high
63°
6th warmest
Overnight low
50°
7th coldest
Rainfall
3.9 in
8.5 wet days
Daylight
10 h 54 min
6:14 AM – 5:07 PM
Cloud cover
54%
1st clearest
Wind
7 mph
7th windiest
Solar energy
3.07 kWh/m²
Travel score
5.7
out of 10

Mount Vernon is city in Westchester County, New York, United States.

Density
6,018/km²
people per km²
Founded
1892

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 68°F in the first days to 58°F by the end.

A typical October day in Mount Vernon reaches about 63°F in the afternoon and slips back to 50°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 54°F and 72°F. Set against its neighbours, October runs about 11°F cooler than September and about 11°F warmer than November.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16856
26855
36855
46755
56754
66754
76653
86653
96553
106552
116552
126452
136451
146451
156351
166350
176250
186249
196249
206149
216148
226048
236048
246047
255947
265947
275846
285846
295846
305845
315745

How October really feels in Mount Vernon

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.

Mount Vernon weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 26°3.394.69.40.0
Feb39° / 26°3.08.73.910.40.0
Mar46° / 33°4.110.13.211.71.4
Apr58° / 44°3.710.50.413.14.2
May68° / 54°3.411.2014.36.1
Jun77° / 64°3.810.8014.96.5
Jul83° / 70°3.810.9014.65.8
Aug81° / 68°3.910.5013.66.4
Sep74° / 61°3.79.1012.37.0
Oct63° / 50°3.98.5010.95.7
Nov52° / 40°3.28.10.59.72.8
Dec42° / 32°4.09.839.10.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45347
55446
65545
75545
85545
95545
105545
115545
125545
135446
145446
155446
165248
175248
185248
195248
205149
215149
225149
235050
245050
255050
264951
274951
285050
294951
304951
315050

Chance of precipitation in October

Any precipitation

Mount Vernon gets around 3.9 in of rain over 8.5 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 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
329
429
529
629
728
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1828
1928
2027
2127
2228
2327
2427
2527
2627
2727
2827
2926
3026
3126

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 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
154221581
255221481
358211371
460211261
561201261
663201151
765191051
867191040
96918940
107217830
117316830
127416730
137615720
147814620
157913620
168212510
178311510
188311510
198510410
20869410
21878410
22878410
23887410
24897310
25906310
26906310
27906310
28916300
29926200
30926200
31935200

Wind in October

Winds average 7 mph in October.

Across October, 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.

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
267light breeze
277light breeze
287light breeze
297light breeze
307light breeze
318light breeze

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 5:57 AM to 6:31 AM, and sunset from 5:31 PM to 4:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:575:31
211.55:585:30
311.55:595:28
411.46:005:26
511.46:025:25
611.36:035:23
711.36:045:21
811.26:055:20
911.26:065:18
1011.26:075:16
1111.16:085:15
1211.16:095:13
1311.06:105:12
1411.06:115:10
1510.96:135:09
1610.96:145:07
1710.86:155:06
1810.86:165:04
1910.86:175:03
2010.76:185:01
2110.76:195:00
2210.66:214:58
2310.66:224:57
2410.56:234:55
2510.56:244:54
2610.56:254:53
2710.46:274:51
2810.46:284:50
2910.36:294:49
3010.36:304:48
3110.36:314:46

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.07 kWh/m².

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 5.98 kWh/m² in June across the year — October's 3.07 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in October

Hazard calendar for Mount Vernon

In seasonPeak

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

Mount Vernon 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 October a good time to visit Mount Vernon?

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

5.7
Sightseeing
6th-best month of the year
1.6
Beach & pool
6th-best month of the year

October is a reasonable time to visit Mount Vernon for sightseeing.

What to pack for Mount Vernon in October

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

In October, Mount Vernon sees daytime highs around 63°F and nights near 50°F. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Mount Vernon in October

The nearest coast averages about 63°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 mi away) is warmest in August at about 74°F and coldest in February near 40°F.

It's comfortable for a long swim from Jun 30 to Sep 26 — about 2.9 months when the water holds above 68°F.

40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan43Bracing
Feb40Bracing
Mar41Bracing
Apr46Bracing
May55Bracing
Jun65Cool
Jul72Refreshing
Aug74Refreshing
Sep71Refreshing
Oct63Cool
Nov55Bracing
Dec48Bracing

UV index in Mount Vernon 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 Mount Vernon peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 11UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Mount Vernon 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 Mount Vernon is worst in July — around 20 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJul 1220 µg/m³Nov 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar17Moderate
Apr17Moderate
May18Moderate
Jun19Moderate
Jul20Moderate
Aug17Moderate
Sep16Moderate
Oct13Moderate
Nov11Good
Dec13Moderate
Location & terrain

Where is Mount Vernon?

Mount Vernon sits at 40.9°N, 73.8°W, 108 ft above sea level, in United States. The nearest listed city is Wakefield, 1.2 mi away.

Topography around Mount Vernon

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

Within 2 miles, the terrain around Mount Vernon has only modest variations in elevation — a maximum elevation change of 348 ft around an average of 144 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 627 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,909 ft.

The land around Mount Vernon is covered by artificial surfaces (53%) and trees (43%) within 2 miles, trees (44%), water (27%) and artificial surfaces (24%) within 10 miles, and trees (55%) and water (28%) within 50 miles.

2 miles
348 ft
10 miles
627 ft
50 miles
1,909 ft
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Wakefield 1.2 mi · New Rochelle 3.1 mi · Baychester 3.1 mi · Yonkers 3.1 mi · Eastchester 3.7 mi · Kings Bridge 4.3 mi · The Bronx 4.3 mi · Van Nest 4.3 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 Mount Vernon (40.9126°, -73.8371°, elevation 108 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).