Irondequoit weather in January

In January, Irondequoit sees average daytime highs of 33°F and overnight lows near 22°F, with 3.4 in of precipitation across 15.5 wet days and about 9.2 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 35°F in the first days to 31°F by the end. The sky is clear or mostly clear about 4% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 54 min at the start of January to 9 h 36 min by month's end. Set against the rest of the year, January is Irondequoit's 12th-clearest and 1st-windiest month. For the whole year in context, see Irondequoit's year-round climate.

Daytime high
33°
12th warmest
Overnight low
22°
2nd coldest
Precipitation
3.4 in
15.5 wet days
Daylight
9 h 06 min
7:46 AM – 4:54 PM
Cloud cover
86%
12th clearest
Wind
13 mph
1st windiest
Solar energy
1.53 kWh/m²
Travel score
0.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°F in the first days to 31°F by the end.

A typical January day in Irondequoit reaches about 33°F in the afternoon and slips back to 22°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 19°F and 46°F. Set against its neighbours, January runs about 5°F cooler than December and on par with February.

10°20°30°40°50°151015202531
Avg high (°F)Avg low (°F)
13526
23525
33525
43425
53424
63424
73424
83424
93324
103323
113323
123323
133322
143322
153222
163222
173222
183221
193221
203221
213121
223121
233121
243121
253121
263121
273121
283121
293121
303121
313121

How January really feels in Irondequoit

Once humidity and wind are folded in, January 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
30 feel bitter (≤ 14°F)

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

Irondequoit weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
6991
7991
8991
9991
10991
11991
12991
13892
14892
15892
16892
17892
18991
19991
20991
21991
22991
231090
241090
251090
261189
271189
281288
291387
301486
311486

Chance of precipitation in January

Any precipitationSnow

Irondequoit gets around 3.4 in of rain and snow over 15.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 49% and peaks near 56% on the wettest days, and about 14 days bring snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15541
25541
35542
45642
55643
65643
75544
85545
95545
105446
115446
125346
135247
145147
155047
165047
174947
184847
194846
204746
214746
224646
234545
244545
254444
264443
274342
284241
294241
304140
314139

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 13 mph in January, the windiest month of the year.

Across January, daily wind ranges from about 12 mph on the calmest days to 13 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
113breezy
213breezy
313breezy
413breezy
513breezy
613breezy
713breezy
813breezy
913breezy
1013breezy
1113breezy
1213breezy
1313breezy
1413breezy
1513breezy
1613breezy
1713breezy
1812breezy
1912breezy
2012breezy
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 54 min at the start of January to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:48 AM to 7:35 AM, and sunset from 4:39 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.97:484:39
28.97:484:40
38.97:484:41
48.97:484:42
58.97:484:42
68.97:484:43
78.97:484:44
89.07:484:45
99.07:484:46
109.07:484:47
119.07:474:48
129.07:474:49
139.17:474:50
149.17:464:51
159.17:464:53
169.17:464:54
179.27:454:55
189.27:454:56
199.27:444:57
209.27:444:58
219.37:435:00
229.37:425:01
239.37:425:02
249.47:415:03
259.47:405:04
269.47:395:06
279.57:395:07
289.57:385:08
299.57:375:10
309.67:365:11
319.67:355:12

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.53 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 — January's 1.53 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.4Dim
101.4Dim
111.4Dim
121.4Dim
131.4Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.7Dim
231.7Dim
241.8Dim
251.8Dim
261.8Dim
271.8Dim
281.9Dim
291.9Dim
301.9Dim
312.0Dim
Planning a trip in January

Is January a good time to visit Irondequoit?

Our two travel scores rate January 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
7th-best month of the year

January is a weaker month for outdoor sightseeing in Irondequoit.

What to pack for Irondequoit in January

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

In January, Irondequoit sees daytime highs around 33°F and nights near 22°F. Pack a warm layer, a heavy coat and rain gear. Worth having: a windbreaker. About 16 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Irondequoit in January

The nearest coast averages about 39°F in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. 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
January 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).