Wilton weather in May

In May, Wilton sees average daytime highs of 67°F and overnight lows near 47°F, with 4.1 in of precipitation across 12.5 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 63°F in the first days to 71°F by the end. The sky is clear or mostly clear about 20% 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 Wilton's 10th-clearest and 8th-windiest month. For the whole year in context, see Wilton's year-round climate.

Daytime high
67°
5th warmest
Overnight low
47°
8th coldest
Precipitation
4.1 in
12.5 wet days
Daylight
14 h 30 min
4:37 AM – 7:05 PM
Cloud cover
67%
10th clearest
Wind
6 mph
8th windiest
Solar energy
5.46 kWh/m²
Travel score
5.7
out of 10

Wilton is town in New York, United States.

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 63°F in the first days to 71°F by the end.

A typical May day in Wilton reaches about 67°F in the afternoon and slips back to 47°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 79°F. Set against its neighbours, May runs about 11°F warmer than April and about 8°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16243
26243
36343
46344
56344
66444
76445
86445
96545
106546
116546
126546
136646
146647
156647
166747
176747
186748
196848
206848
216849
226949
236949
246950
257050
267051
277051
287151
297151
307152
317152

How May really feels in Wilton

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.

Wilton 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
Jan29° / 14°3.49.67.79.20.0
Feb32° / 15°2.98.7710.20.0
Mar42° / 24°3.910.75.711.60.4
Apr55° / 37°4.311.81.913.13.4
May67° / 47°4.112.50.114.45.7
Jun75° / 56°4.713.1015.16.3
Jul80° / 62°4.311.9014.96.3
Aug78° / 60°4.010.4013.86.7
Sep71° / 53°4.09.5012.36.6
Oct58° / 42°4.810.70.510.84.2
Nov46° / 31°3.8102.39.51.1
Dec35° / 22°4.010.678.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
63961
73862
83862
93763
103763
113664
123664
133664
143664
153664
163664
173664
183565
193565
203565
213664
223664
233664
243664
253763
263664
273763
283763
293763
303664
313763

Chance of precipitation in May

Any precipitationSnow

Wilton gets around 4.1 in of rain and snow over 12.5 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 40% and peaks near 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1412
2402
3401
4391
5391
6391
7391
8391
9391
10391
11391
12391
13391
14391
15400
16400
17400
18400
19410
20410
21410
22410
23410
24410
25410
26420
27420
28420
29420
30430
31430

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
195410
293520
393520
493520
592620
692620
792620
891720
991720
1090730
1189830
1289830
1389830
1489830
1588930
1687940
1787940
18851050
19851050
20821161
21821161
22811171
23791281
24781282
25761392
267513102
277314103
287314103
297115113
306916114
316816124

Wind in May

Winds average 6 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 4:56 AM to 4:25 AM, and sunset from 6:48 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.94:566:48
213.94:556:50
314.04:536:51
414.04:526:52
514.04:506:53
614.14:496:54
714.14:486:55
814.24:466:56
914.24:456:58
1014.24:446:59
1114.34:437:00
1214.34:427:01
1314.44:407:02
1414.44:397:03
1514.44:387:04
1614.54:377:05
1714.54:367:06
1814.54:357:08
1914.64:347:09
2014.64:337:10
2114.64:327:11
2214.74:317:12
2314.74:307:13
2414.74:307:14
2514.84:297:15
2614.84:287:16
2714.84:277:17
2814.84:277:17
2914.94:267:18
3014.94:257:19
3114.94:257:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.46 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 5.89 kWh/m² in July across the year — May's 5.46 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Wilton?

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

5.7
Sightseeing
5th-best month of the year
2.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Wilton for sightseeing.

What to pack for Wilton in May

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

In May, Wilton sees daytime highs around 67°F and nights near 47°F. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Wilton 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 Wilton peaks around July 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 highVery highModerateLowJul 13UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7High
Jul8Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Wilton?

Wilton sits at 43.2°N, 73.7°W, 348 ft above sea level, in United States. The nearest listed city is Saratoga Springs, 6.8 mi away.

Topography around Wilton

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

Within 2 miles, the terrain around Wilton has significant variations in elevation — a maximum elevation change of 863 ft around an average of 509 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,926 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,970 ft.

The land around Wilton is covered by trees (82%) within 2 miles, trees (78%) within 10 miles, and trees (86%) within 50 miles.

2 miles
863 ft
10 miles
1,926 ft
50 miles
3,970 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Saratoga Springs 6.8 mi · Queensbury 15 mi · Clifton Park 22 mi · Glenville 23 mi · Schenectady 27 mi · Amsterdam 28 mi · Cohoes 28 mi · Rotterdam 29 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 Wilton (43.1801°, -73.7443°, elevation 348 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).