Sylvania weather in January

In January, Sylvania sees average daytime highs of 33°F and overnight lows near 20°F, with 2.5 in of precipitation across 9.8 wet days and about 9.3 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°F through the month. The sky is clear or mostly clear about 14% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 hours at the start of January to 9 h 42 min by month's end. Set against the rest of the year, January is Sylvania's 12th-clearest and 1st-windiest month. For the whole year in context, see Sylvania's year-round climate.

Daytime high
33°
12th warmest
Overnight low
20°
1st coldest
Precipitation
2.5 in
9.8 wet days
Daylight
9 h 18 min
8:06 AM – 5:23 PM
Cloud cover
77%
12th clearest
Wind
10 mph
1st windiest
Solar energy
1.91 kWh/m²
Travel score
0.0
out of 10

Sylvania is city in Lucas County, Ohio, United States.

Density
1,123/km²
people per km²
Founded
1833

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°F through the month.

A typical January day in Sylvania reaches about 33°F in the afternoon and slips back to 20°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 18°F and 48°F. Set against its neighbours, January runs about 5°F cooler than December and about 3°F cooler than February.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
13522
23422
33422
43422
53422
63421
73321
83321
93321
103320
113320
123320
133220
143219
153219
163219
173219
183219
193119
203119
213119
223119
233219
243219
253219
263219
273219
283219
293219
303219
313219

How January really feels in Sylvania

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
31 feel bitter (≤ 14°F)

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

Sylvania weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 20°2.59.85.79.30.0
Feb35° / 21°2.18.65.410.30.0
Mar46° / 29°2.89.93.711.71.2
Apr58° / 40°3.611.90.913.14.1
May69° / 51°3.812.7014.36.0
Jun79° / 61°3.511.40156.4
Jul83° / 65°3.311014.75.9
Aug81° / 63°3.29.9013.76.6
Sep74° / 56°2.48.2012.37.1
Oct62° / 44°2.69.10.110.95.3
Nov49° / 34°2.78.61.59.61.9
Dec37° / 26°2.48.84.290.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22377
32377
42377
52377
62377
72278
82278
92278
102278
112377
122377
132377
142377
152377
162377
172377
182278
192377
202377
212377
222377
232377
242476
252476
262476
272476
282575
292575
302575
312575

Chance of precipitation in January

Any precipitationSnow

Sylvania gets around 2.5 in of rain and snow over 9.8 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 31% and peaks near 34% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13015
23115
33115
43216
53316
63317
73417
83418
93418
103419
113319
123319
133319
143319
153219
163219
173118
183118
193018
203018
213018
223018
232918
242919
252919
262919
272919
282919
292920
302920
312920

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 10 mph in January, the windiest month of the year.

Across January, daily wind ranges from about 10 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
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light 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 January

DaylightNight

Daylight runs from about 9 hours at the start of January to 9 h 42 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 8:07 AM to 7:56 AM, and sunset from 5:09 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.08:075:09
29.08:085:09
39.08:085:10
49.18:085:11
59.18:085:12
69.18:085:13
79.18:085:14
89.18:075:15
99.18:075:16
109.28:075:17
119.28:075:18
129.28:075:19
139.28:075:20
149.28:065:21
159.38:065:22
169.38:065:23
179.38:055:24
189.38:055:25
199.48:045:26
209.48:045:27
219.48:035:28
229.48:035:30
239.58:025:31
249.58:015:32
259.58:015:33
269.68:005:34
279.67:595:36
289.67:585:37
299.77:585:38
309.77:575:39
319.77:565:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.91 kWh/m².

For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 6.32 kWh/m² in June across the year — January's 1.91 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
192.0Dim
202.0Moderate
212.0Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.4Moderate
Planning a trip in January

Is January a good time to visit Sylvania?

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
9th-best month of the year

January is a weaker month for outdoor sightseeing in Sylvania.

What to pack for Sylvania in January

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

In January, Sylvania sees daytime highs around 33°F and nights near 20°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Sylvania in January

The nearest coast averages about 34°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 21 mi away) is warmest in August at about 75°F and coldest in February near 33°F.

It's comfortable for a long swim from Jun 20 to Sep 20 — about 3.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan34Bracing
Feb33Bracing
Mar36Bracing
Apr44Bracing
May56Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep70Refreshing
Oct58Bracing
Nov46Bracing
Dec38Bracing

UV index in Sylvania in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sylvania peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 18UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Sylvania in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Sylvania is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1116 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov9Good
Dec9Good
Location & terrain

Where is Sylvania?

Sylvania sits at 41.7°N, 83.7°W, 663 ft above sea level, in United States. The nearest listed city is Toledo, 8.7 mi away.

Topography around Sylvania

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

Within 2 miles, the terrain around Sylvania has only modest variations in elevation — a maximum elevation change of 135 ft around an average of 673 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 256 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 945 ft.

The land around Sylvania is covered by trees (43%) and grassland (23%) within 2 miles, cropland (39%) and trees (34%) within 10 miles, and cropland (51%) and trees (22%) within 50 miles.

2 miles
135 ft
10 miles
256 ft
50 miles
945 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Toledo 8.7 mi · Perrysburg 12 mi · Oregon 13 mi · Adrian 21 mi · Monroe 21 mi · Bowling Green 24 mi · Ypsilanti 37 mi · Romulus 39 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 Sylvania (41.7189°, -83.713°, elevation 663 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).