Tiffin weather in January

In January, Tiffin sees average daytime highs of 34°F and overnight lows near 21°F, with 2.9 in of precipitation across 10.7 wet days and about 9.4 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°F through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of January to 9 h 48 min by month's end. Set against the rest of the year, January is Tiffin's 12th-clearest and 1st-windiest month. For the whole year in context, see Tiffin's year-round climate.

Daytime high
34°
12th warmest
Overnight low
21°
1st coldest
Precipitation
2.9 in
10.7 wet days
Daylight
9 h 18 min
8:02 AM – 5:22 PM
Cloud cover
77%
12th clearest
Wind
11 mph
1st windiest
Solar energy
1.93 kWh/m²
Travel score
0.0
out of 10

Tiffin is city in and the county seat of Seneca County, Ohio, United States.

Density
990/km²
people per km²
Founded
1812

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 34°F through the month.

A typical January day in Tiffin reaches about 34°F in the afternoon and slips back to 21°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 18°F and 51°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)
13623
23623
33623
43623
53522
63522
73522
83522
93521
103521
113421
123421
133420
143420
153420
163320
173320
183320
193320
203319
213319
223319
233319
243319
253319
263320
273320
283420
293420
303420
313420

How January really feels in Tiffin

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.

Tiffin 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
Jan34° / 21°2.910.76.29.40.0
Feb37° / 22°2.49.15.210.40.0
Mar48° / 30°3.411.23.611.71.6
Apr60° / 41°4.112.60.813.14.5
May71° / 52°4.313.3014.36.0
Jun79° / 61°4.012014.96.3
Jul82° / 65°3.411.3014.76.1
Aug81° / 63°3.210.2013.66.5
Sep75° / 56°2.79.1012.37.0
Oct63° / 45°2.89.40.210.95.5
Nov50° / 35°3.19.21.49.72.2
Dec39° / 26°2.910.24.39.10.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22377
32377
42377
52377
62377
72278
82278
92179
102278
112278
122377
132377
142377
152377
162476
172476
182377
192377
202377
212377
222476
232476
242476
252476
262476
272575
282575
292575
302674
312773

Chance of precipitation in January

Any precipitationSnow

Tiffin gets around 2.9 in of rain and snow over 10.7 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 34% and peaks near 38% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13517
23517
33618
43618
53719
63719
73820
83820
93820
103721
113721
123721
133621
143621
153621
163521
173521
183421
193421
203321
213220
223220
233220
243120
253120
263120
273119
283119
293119
303119
313119

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

Across January, daily wind ranges from about 10 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light 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 h 06 min at the start of January to 9 h 48 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 8:03 AM to 7:52 AM, and sunset from 5:08 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.18:035:08
29.18:035:09
39.18:035:10
49.18:045:11
59.18:045:12
69.28:045:13
79.28:045:13
89.28:035:14
99.28:035:15
109.28:035:16
119.28:035:17
129.38:035:18
139.38:035:19
149.38:025:20
159.38:025:21
169.38:025:22
179.48:015:23
189.48:015:25
199.48:005:26
209.48:005:27
219.57:595:28
229.57:595:29
239.57:585:30
249.67:585:31
259.67:575:33
269.67:565:34
279.77:565:35
289.77:555:36
299.77:545:37
309.87:535:39
319.87:525:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.93 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 6.28 kWh/m² in June across the year — January's 1.93 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.7Dim
81.7Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
182.0Dim
192.0Moderate
202.0Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.3Moderate
292.3Moderate
302.4Moderate
312.4Moderate
Planning a trip in January

Is January a good time to visit Tiffin?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Tiffin.

What to pack for Tiffin in January

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

In January, Tiffin sees daytime highs around 34°F and nights near 21°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Tiffin 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 35 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 19 to Sep 21 — 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
Mar35Bracing
Apr43Bracing
May55Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep70Refreshing
Oct59Bracing
Nov46Bracing
Dec38Bracing

UV index in Tiffin 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 Tiffin peaks around June 19 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 19UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Tiffin 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 Tiffin is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.1× 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
Feb12Moderate
Mar13Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Tiffin?

Tiffin sits at 41.1°N, 83.2°W, 745 ft above sea level, in United States. The nearest listed city is Fremont, 17 mi away.

Topography around Tiffin

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

Within 2 miles, the terrain around Tiffin has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 764 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 430 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,106 ft.

The land around Tiffin is covered by grassland (27%), cropland (26%) and trees (25%) within 2 miles, cropland (71%) within 10 miles, and cropland (61%) within 50 miles.

2 miles
167 ft
10 miles
430 ft
50 miles
1,106 ft
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Fremont 17 mi · Findlay 25 mi · Bowling Green 30 mi · Norwalk 30 mi · Sandusky 34 mi · Marion 37 mi · Perrysburg 39 mi · Oregon 40 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 Tiffin (41.1145°, -83.178°, elevation 745 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).