Norwalk weather in December

In December, Norwalk sees average daytime highs of 38°F and overnight lows near 28°F, with 3.4 in of precipitation across 11.1 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 42°F in the first days to 36°F by the end. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Norwalk's 11th-clearest and 3rd-windiest month. For the whole year in context, see Norwalk's year-round climate.

Daytime high
38°
10th warmest
Overnight low
28°
3rd coldest
Precipitation
3.4 in
11.1 wet days
Daylight
9 hours
7:55 AM – 4:58 PM
Cloud cover
78%
11th clearest
Wind
11 mph
3rd windiest
Solar energy
1.51 kWh/m²
Travel score
0.0
out of 10

Norwalk is city in and the county seat of Huron County, Ohio, United States.

Density
710/km²
people per km²
Founded
1817

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 42°F in the first days to 36°F by the end.

A typical December day in Norwalk reaches about 38°F in the afternoon and slips back to 28°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 25°F and 52°F. Set against its neighbours, December runs about 10°F cooler than November and about 5°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14332
24232
34231
44231
54131
64130
74030
84030
94029
103929
113929
123929
133828
143828
153828
163828
173827
183727
193727
203727
213727
223726
233726
243726
253626
263626
273626
283625
293625
303625
313625

How December really feels in Norwalk

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

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

Norwalk weather by month

How December compares with the rest of the year at a glance. December is the 10th-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°3.311.77.39.40.0
Feb36° / 23°2.69.85.810.30.0
Mar44° / 30°3.511.34.311.70.8
Apr57° / 42°4.313.11.213.13.6
May68° / 53°4.213.4014.35.7
Jun77° / 63°4.212.9014.96.3
Jul81° / 67°3.612014.76.3
Aug79° / 65°3.511.2013.76.6
Sep73° / 58°3.19.7012.36.9
Oct61° / 47°3.210.90.110.95.0
Nov49° / 37°3.410.81.99.71.8
Dec38° / 28°3.411.15.39.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42179
52179
62179
72080
82080
92080
102080
112179
122179
132179
142179
152278
162278
172179
182179
192179
202278
212278
222278
232179
242179
252179
262278
272278
282179
292179
302179
312080

Chance of precipitation in December

Any precipitationSnow

Norwalk gets around 3.4 in of rain and snow over 11.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 39% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13913
23814
33815
43815
53816
63816
73817
83817
93818
103818
113818
123818
133818
143818
153818
163718
173718
183618
193617
203617
213517
223517
233517
243517
253517
263517
273517
283517
293618
303619
313719

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 (%)Comfortable (%)
11000
21000
31000
4991
5991
6991
7991
8991
9991
10991
11991
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 11 mph in December.

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

051015151015202531
Wind speed (mph)Feels
111light breeze
211light 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
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze
3111light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 12 min at the start of December to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:43 AM to 8:02 AM, and sunset from 4:58 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:434:58
29.27:444:57
39.27:454:57
49.27:464:57
59.27:474:57
69.27:484:57
79.17:494:57
89.17:494:57
99.17:504:57
109.17:514:57
119.17:524:57
129.17:534:57
139.17:534:57
149.17:544:57
159.07:554:58
169.07:554:58
179.07:564:58
189.07:574:58
199.07:574:59
209.07:584:59
219.07:585:00
229.07:595:00
239.07:595:01
249.08:005:01
259.08:005:02
269.08:005:02
279.08:015:03
289.08:015:03
299.08:015:04
309.18:025:05
319.18:025:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.51 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 6.42 kWh/m² in June across the year — December's 1.51 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.5Dim
61.5Dim
71.5Dim
81.5Dim
91.5Dim
101.5Dim
111.5Dim
121.5Dim
131.5Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.5Dim
191.5Dim
201.5Dim
211.5Dim
221.5Dim
231.5Dim
241.5Dim
251.5Dim
261.5Dim
271.5Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in December

Is December a good time to visit Norwalk?

Our two travel scores rate December 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

December is a weaker month for outdoor sightseeing in Norwalk.

What to pack for Norwalk in December

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

In December, Norwalk sees daytime highs around 38°F and nights near 28°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 Norwalk in December

The nearest coast averages about 39°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 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 21 to Sep 23 — 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
Apr42Bracing
May54Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep71Refreshing
Oct60Cool
Nov48Bracing
Dec39Bracing

UV index in Norwalk in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Norwalk peaks around June 19 at about 9 (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 19UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Norwalk in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Norwalk is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Norwalk?

Norwalk sits at 41.2°N, 82.6°W, 719 ft above sea level, in United States. The nearest listed city is Sandusky, 15 mi away.

Topography around Norwalk

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

Within 2 miles, the terrain around Norwalk has only modest variations in elevation — a maximum elevation change of 253 ft around an average of 735 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 528 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,102 ft.

The land around Norwalk is covered by trees (44%) and grassland (21%) within 2 miles, cropland (63%) and trees (24%) within 10 miles, and cropland (40%), water (27%) and trees (21%) within 50 miles.

2 miles
253 ft
10 miles
528 ft
50 miles
1,102 ft
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Sandusky 15 mi · Lorain 27 mi · Fremont 27 mi · Elyria 28 mi · Ashland 30 mi · Tiffin 30 mi · North Ridgeville 32 mi · Avon 34 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 Norwalk (41.2426°, -82.6157°, elevation 719 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).