Irondequoit weather in May

In May, Irondequoit sees average daytime highs of 60°F and overnight lows near 48°F, with 3.2 in of rain across 11.4 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 55°F in the first days to 64°F by the end. The sky is clear or mostly clear about 27% 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 Irondequoit's 5th-clearest and 9th-windiest month. For the whole year in context, see Irondequoit's year-round climate.

Daytime high
60°
5th warmest
Overnight low
48°
8th coldest
Rainfall
3.2 in
11.4 wet days
Daylight
14 h 30 min
4:52 AM – 7:21 PM
Cloud cover
62%
5th clearest
Wind
9 mph
9th windiest
Solar energy
5.91 kWh/m²
Travel score
4.5
out of 10

Irondequoit is town in Monroe County, New York, United States.

Founded
1839

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 55°F in the first days to 64°F by the end.

A typical May day in Irondequoit reaches about 60°F in the afternoon and slips back to 48°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 70°F. Set against its neighbours, May runs about 10°F warmer than April and about 10°F cooler than June.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
15543
25543
35544
45644
55644
65645
75745
85745
95745
105846
115846
125846
135847
145947
155947
165947
176048
186048
196049
206149
216149
226250
236250
246251
256351
266351
276352
286452
296452
306453
316553

How May really feels in Irondequoit

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.

Irondequoit weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 22°3.415.5149.20.0
Feb33° / 21°2.610.99.310.20.0
Mar39° / 28°3.111.75.911.60.1
Apr50° / 38°3.911.82.213.22.1
May60° / 48°3.211.4014.44.5
Jun70° / 58°3.511.5015.16.3
Jul77° / 65°3.511.1014.96.8
Aug76° / 65°3.211.7013.86.8
Sep71° / 58°3.410.7012.36.5
Oct59° / 48°4.313.30.110.84.1
Nov47° / 37°3.7143.99.51.4
Dec38° / 29°3.715.810.68.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54258
64357
74258
84258
94258
104258
114258
124258
134258
144258
154357
164357
174357
184456
194456
204456
214555
224555
234555
244555
254555
264555
274555
284555
294555
304555
314456

Chance of precipitation in May

Any precipitation

Irondequoit gets around 3.2 in of rain over 11.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
638
738
838
939
1039
1139
1239
1339
1438
1538
1638
1737
1837
1937
2036
2136
2235
2335
2435
2535
2635
2736
2836
2936
3037
3137

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
298200
398200
497300
597300
697300
796400
896400
996400
1096400
1194510
1294510
1394510
1493610
1593610
1692710
1791720
1890820
1989830
2087940
2187940
22851050
23841060
24821170
25821170
26801280
27781390
28771391
297514101
307415101
317216111

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
308light breeze
318light 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 5:11 AM to 4:40 AM, and sunset from 7:04 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:117:04
213.95:107:05
314.05:087:06
414.05:077:07
514.05:067:08
614.15:047:10
714.15:037:11
814.25:027:12
914.25:007:13
1014.24:597:14
1114.34:587:15
1214.34:577:16
1314.44:567:18
1414.44:547:19
1514.44:537:20
1614.54:527:21
1714.54:517:22
1814.54:507:23
1914.64:497:24
2014.64:487:25
2114.64:477:26
2214.74:467:27
2314.74:467:28
2414.74:457:29
2514.84:447:30
2614.84:437:31
2714.84:427:32
2814.94:427:33
2914.94:417:34
3014.94:407:35
3114.94:407:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.91 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 6.26 kWh/m² in June across the year — May's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Bright
216.0Intense
226.0Intense
236.0Intense
246.1Intense
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 Irondequoit?

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

4.5
Sightseeing
5th-best month of the year
0.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Irondequoit for sightseeing.

What to pack for Irondequoit in May

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

In May, Irondequoit sees daytime highs around 60°F and nights near 48°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Irondequoit in May

The nearest coast averages about 42°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 11 mi away) is warmest in August at about 72°F and coldest in March near 37°F.

It's comfortable for a long swim from Jul 16 to Sep 11 — about 1.9 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb37Bracing
Mar37Bracing
Apr38Bracing
May42Bracing
Jun56Bracing
Jul69Refreshing
Aug72Refreshing
Sep67Cool
Oct58Bracing
Nov49Bracing
Dec43Bracing

UV index in Irondequoit 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 Irondequoit peaks around June 23 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 23UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Irondequoit?

Irondequoit sits at 43.2°N, 77.6°W, 381 ft above sea level, in United States. The nearest listed city is Rochester, 4.3 mi away.

Topography around Irondequoit

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

Within 2 miles, the terrain around Irondequoit has only modest variations in elevation — a maximum elevation change of 259 ft around an average of 394 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 515 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,067 ft.

The land around Irondequoit is covered by trees (65%) and artificial surfaces (23%) within 2 miles, trees (42%) and water (28%) within 10 miles, and water (42%) and trees (32%) within 50 miles.

2 miles
259 ft
10 miles
515 ft
50 miles
2,067 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Rochester 4.3 mi · Brighton 5.0 mi · Gates-North Gates 6.8 mi · Henrietta 11 mi · Batavia 34 mi · Auburn 55 mi · Lockport 56 mi · Oswego 57 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 Irondequoit (43.2134°, -77.5797°, elevation 381 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).