West Seneca weather in May

In May, West Seneca sees average daytime highs of 65°F and overnight lows near 49°F, with 3.7 in of precipitation across 12.8 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 61°F in the first days to 70°F by the end. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is West Seneca's 5th-clearest and 8th-windiest month. For the whole year in context, see West Seneca's year-round climate.

Daytime high
65°
5th warmest
Overnight low
49°
8th coldest
Precipitation
3.7 in
12.8 wet days
Daylight
14 h 24 min
4:58 AM – 7:25 PM
Cloud cover
62%
5th clearest
Wind
8 mph
8th windiest
Solar energy
5.86 kWh/m²
Travel score
5.6
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 61°F in the first days to 70°F by the end.

A typical May day in West Seneca reaches about 65°F in the afternoon and slips back to 49°F overnight — a 17°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, May runs about 11°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16144
26144
36244
46245
56245
66346
76346
86346
96447
106447
116447
126447
136548
146548
156548
166549
176649
186649
196650
206750
216750
226751
236851
246851
256852
266952
276953
286953
297053
307053
317054

How May really feels in West Seneca

Once humidity and wind are folded in, May 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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

West Seneca weather by month

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

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24258
34159
44159
54258
64159
74258
84258
94060
104060
114159
124159
134159
144159
154159
164159
174159
184258
194357
204357
214555
224654
234654
244753
254753
264852
274852
284753
294753
304753
314753

Chance of precipitation in May

Any precipitationSnow

West Seneca gets around 3.7 in of rain and snow over 12.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1422
2421
3421
4421
5421
6431
7430
8430
9430
10430
11430
12430
13430
14430
15420
16420
17410
18410
19400
20400
21390
22390
23390
24390
25390
26390
27390
28390
29390
30390
31400

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194510
292620
392620
492620
590730
690730
789830
888840
988840
1087940
11851050
12851050
13841150
14831160
15821260
16821260
17791371
18781471
19781471
20751582
21741682
22731692
23711793
247017103
256917104
266718114
276718114
286618124
296418135
306418135
316318145

Wind in May

Winds average 8 mph in May.

Across May, 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
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
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
297light breeze
307light breeze
317light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:17 AM to 4:46 AM, and sunset from 7:08 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:177:08
213.95:157:09
313.95:147:10
414.05:137:11
514.05:117:13
614.15:107:14
714.15:097:15
814.15:077:16
914.25:067:17
1014.25:057:18
1114.35:047:19
1214.35:037:20
1314.35:017:22
1414.45:007:23
1514.44:597:24
1614.44:587:25
1714.54:577:26
1814.54:567:27
1914.54:557:28
2014.64:547:29
2114.64:537:30
2214.64:527:31
2314.74:527:32
2414.74:517:33
2514.74:507:34
2614.84:497:35
2714.84:487:36
2814.84:487:37
2914.84:477:38
3014.94:477:38
3114.94:467:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.86 kWh/m².

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 — May's 5.86 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Is May a good time to visit West Seneca?

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

5.6
Sightseeing
5th-best month of the year
2.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit West Seneca for sightseeing.

What to pack for West Seneca in May

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

In May, West Seneca sees daytime highs around 65°F and nights near 49°F. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near West Seneca in May

The nearest coast averages about 48°F in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. 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
May 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).