West Seneca weather in December

In December, West Seneca sees average daytime highs of 37°F and overnight lows near 26°F, with 3.5 in of precipitation across 14.8 wet days and about 8.9 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 40°F in the first days to 34°F by the end. The sky is clear or mostly clear about 8% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of December to 8 h 54 min by month's end. Set against the rest of the year, December is West Seneca's 11th-clearest and 2nd-windiest month. For the whole year in context, see West Seneca's year-round climate.

Daytime high
37°
10th warmest
Overnight low
26°
3rd coldest
Precipitation
3.5 in
14.8 wet days
Daylight
8 h 54 min
7:46 AM – 4:37 PM
Cloud cover
82%
11th clearest
Wind
10 mph
2nd windiest
Solar energy
1.28 kWh/m²
Travel score
0.0
out of 10

West Seneca is town in Erie County, New York.

Founded
1842

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 40°F in the first days to 34°F by the end.

A typical December day in West Seneca reaches about 37°F in the afternoon and slips back to 26°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 24°F and 50°F. Set against its neighbours, December runs about 10°F cooler than November and about 5°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14130
24029
34029
44029
53928
63928
73828
83827
93827
103727
113726
123726
133726
143626
153626
163625
173625
183625
193525
203525
213525
223524
233524
243524
253524
263424
273424
283423
293423
303423
313423

How December really feels in West Seneca

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 31 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
31
7 feel bitter (≤ 14°F)

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

West Seneca weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 19°3.314.613.39.20.0
Feb33° / 20°2.611.610.110.20.0
Mar42° / 27°3.212.97.211.60.4
Apr55° / 38°3.8132.913.13.2
May65° / 49°3.712.8014.45.6
Jun74° / 58°4.012.7015.16.4
Jul78° / 62°4.213.9014.86.3
Aug76° / 61°3.512.4013.76.6
Sep70° / 54°3.310.4012.36.5
Oct58° / 44°3.913.50.210.84.0
Nov46° / 34°3.413.54.89.51.2
Dec37° / 26°3.514.811.18.90.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31684
41684
51684
61783
71783
81783
91783
101783
111783
121486
131486
141585
151585
161585
171585
181387
191288
201288
211288
221189
231189
241189
251090
261090
27991
28991
29991
30991
31991

Chance of precipitation in December

Any precipitationSnow

West Seneca gets around 3.5 in of rain and snow over 14.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 48% and peaks near 50% on the wettest days, and about 11 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14927
24928
34929
44930
54831
64832
74832
84733
94734
104735
114735
124735
134736
144736
154736
164836
174837
184837
194937
204937
214937
224937
234937
244938
254938
264938
274938
285039
295039
305040
315040

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 10 mph in December.

Across December, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 06 min at the start of December to 8 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:33 AM to 7:52 AM, and sunset from 4:37 PM to 4:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:334:37
29.17:344:37
39.07:354:37
49.07:364:37
59.07:374:36
69.07:384:36
79.07:394:36
88.97:394:36
98.97:404:36
108.97:414:36
118.97:424:36
128.97:434:36
138.97:434:36
148.97:444:37
158.97:454:37
168.97:464:37
178.97:464:37
188.87:474:38
198.87:474:38
208.87:484:38
218.87:494:39
228.87:494:39
238.87:494:40
248.87:504:40
258.87:504:41
268.87:514:41
278.97:514:42
288.97:514:43
298.97:514:43
308.97:524:44
318.97:524:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.28 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 6.26 kWh/m² in June across the year — December's 1.28 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.4Dim
21.4Dim
31.3Dim
41.3Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.3Dim
121.3Dim
131.3Dim
141.3Dim
151.3Dim
161.3Dim
171.3Dim
181.3Dim
191.3Dim
201.3Dim
211.3Dim
221.3Dim
231.3Dim
241.3Dim
251.3Dim
261.3Dim
271.3Dim
281.3Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in December

Is December a good time to visit West Seneca?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in West Seneca.

What to pack for West Seneca in December

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

In December, West Seneca sees daytime highs around 37°F and nights near 26°F. Pack a warm layer, a heavy coat and rain gear. About 15 days see rain.

a warm layera heavy coatrain gear

Sea temperature near West Seneca in December

The nearest coast averages about 43°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 mi away) is warmest in August at about 74°F and coldest in February near 34°F.

It's comfortable for a long swim from Jul 4 to Sep 20 — about 2.6 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan37Bracing
Feb34Bracing
Mar34Bracing
Apr38Bracing
May48Bracing
Jun62Cool
Jul72Refreshing
Aug74Refreshing
Sep69Refreshing
Oct60Cool
Nov50Bracing
Dec43Bracing

UV index in West Seneca in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in West Seneca peaks around June 22 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 highHighModerateLowJun 22UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is West Seneca?

West Seneca sits at 42.9°N, 78.8°W, 597 ft above sea level, in United States. The nearest listed city is Lackawanna, 1.9 mi away.

Topography around West Seneca

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

Within 2 miles, the terrain around West Seneca has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 604 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 830 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,208 ft.

The land around West Seneca is covered by artificial surfaces (49%) and trees (29%) within 2 miles, trees (35%) and artificial surfaces (26%) within 10 miles, and trees (43%) and water (27%) within 50 miles.

2 miles
102 ft
10 miles
830 ft
50 miles
2,208 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Lackawanna 1.9 mi · Cheektowaga 4.3 mi · Buffalo 5.0 mi · Depew 6.8 mi · Fort Erie 7.5 mi · Eggertsville 8.1 mi · Kenmore 8.7 mi · Amherst 8.7 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 West Seneca (42.8501°, -78.7998°, elevation 597 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).