Mansfield weather in December

In December, Mansfield sees average daytime highs of 38°F and overnight lows near 26°F, with 3.2 in of precipitation across 10.4 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 14% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Mansfield's 11th-clearest and 3rd-windiest month. For the whole year in context, see Mansfield's year-round climate.

Daytime high
38°
10th warmest
Overnight low
26°
3rd coldest
Precipitation
3.2 in
10.4 wet days
Daylight
9 h 06 min
7:53 AM – 4:59 PM
Cloud cover
76%
11th clearest
Wind
9 mph
3rd windiest
Solar energy
1.52 kWh/m²
Travel score
0.0
out of 10

Mansfield is city in and county seat of Richland County, Ohio, United States.

Density
585/km²
people per km²
Founded
1808

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 Mansfield reaches about 38°F in the afternoon and slips back to 26°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 24°F and 54°F. Set against its neighbours, December runs about 10°F cooler than November and about 4°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14330
24230
34229
44129
54129
64128
74028
84028
94028
103927
113927
123927
133826
143826
153826
163826
173826
183826
193725
203725
213725
223725
233725
243725
253724
263724
273624
283624
293624
303624
313624

How December really feels in Mansfield

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
2 feel bitter (≤ 14°F)

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

Mansfield 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
Jan34° / 21°3.211.47.39.40.0
Feb37° / 23°2.69.65.710.40.0
Mar47° / 31°3.611.73.911.71.4
Apr60° / 41°4.5131.313.14.3
May69° / 51°4.413.8014.25.8
Jun78° / 61°4.212.7014.96.2
Jul81° / 64°3.611.3014.66.3
Aug80° / 63°3.310.3013.66.6
Sep74° / 55°3.09.4012.36.9
Oct62° / 44°3.19.80.210.95.2
Nov49° / 34°3.110.229.71.9
Dec38° / 26°3.210.45.19.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32476
42476
52377
62278
72278
82278
92278
102278
112278
122278
132278
142278
152278
162278
172278
182278
192278
202278
212278
222278
232278
242278
252377
262377
272377
282377
292377
302377
312377

Chance of precipitation in December

Any precipitationSnow

Mansfield gets around 3.2 in of rain and snow over 10.4 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 34% and peaks near 37% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13712
23613
33614
43514
53515
63515
73516
83416
93417
103417
113417
123418
133418
143418
153418
163418
173417
183417
193417
203417
213316
223316
233316
243316
253316
263316
273416
283417
293417
303518
313518

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 (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 9 mph in December.

Across December, daily wind ranges from about 9 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
309light breeze
319light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 18 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 12 minutes over December. Sunrise moves from 7:41 AM to 8:00 AM, and sunset from 4:59 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:414:59
29.37:424:58
39.37:434:58
49.27:444:58
59.27:454:58
69.27:464:58
79.27:474:58
89.27:474:58
99.27:484:58
109.17:494:58
119.17:504:58
129.17:514:58
139.17:514:58
149.17:524:59
159.17:534:59
169.17:534:59
179.17:544:59
189.17:555:00
199.17:555:00
209.17:565:00
219.17:565:01
229.17:575:01
239.17:575:02
249.17:585:02
259.17:585:03
269.17:585:03
279.17:595:04
289.17:595:05
299.17:595:05
309.18:005:06
319.18:005:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.52 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.52 kWh/m² to a high of 6.17 kWh/m² in June across the year — December's 1.52 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.6Dim
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
271.6Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in December

Is December a good time to visit Mansfield?

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
10th-best month of the year

December is a weaker month for outdoor sightseeing in Mansfield.

What to pack for Mansfield in December

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

In December, Mansfield sees daytime highs around 38°F and nights near 26°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Mansfield in December

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Mansfield peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 20UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Mansfield 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 Mansfield is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1216 µg/m³Oct 247 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr11Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec8Good
Location & terrain

Where is Mansfield?

Mansfield sits at 40.8°N, 82.5°W, 1,243 ft above sea level, in United States. The nearest listed city is Ashland, 13 mi away.

Topography around Mansfield

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

Within 2 miles, the terrain around Mansfield has only modest variations in elevation — a maximum elevation change of 397 ft around an average of 1,266 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 600 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,102 ft.

The land around Mansfield is covered by trees (51%), artificial surfaces (25%) and grassland (22%) within 2 miles, trees (49%), cropland (24%) and grassland (22%) within 10 miles, and cropland (46%) and trees (34%) within 50 miles.

2 miles
397 ft
10 miles
600 ft
50 miles
1,102 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ashland 13 mi · Mount Vernon 25 mi · Wooster 30 mi · Norwalk 34 mi · Marion 34 mi · Tiffin 42 mi · Medina 43 mi · Delaware 43 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 Mansfield (40.7584°, -82.5155°, elevation 1,243 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. 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).