Lincoln weather in December

In December, Lincoln sees average daytime highs of 56°F and overnight lows near 39°F, with 6.6 in of precipitation across 11.1 wet days and about 9.3 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 58°F in the first days to 55°F by the end. The sky is clear or mostly clear about 37% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of December to 9 h 18 min by month's end. Set against the rest of the year, December is Lincoln's 10th-clearest and 6th-windiest month. For the whole year in context, see Lincoln's year-round climate.

Daytime high
56°
12th warmest
Overnight low
39°
1st coldest
Precipitation
6.6 in
11.1 wet days
Daylight
9 h 18 min
7:23 AM – 4:40 PM
Cloud cover
57%
10th clearest
Wind
5 mph
6th windiest
Solar energy
2.04 kWh/m²
Travel score
3.8
out of 10

Lincoln is city in Placer County, California, United States.

Density
919/km²
people per km²
Founded
1890

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 58°F in the first days to 55°F by the end.

A typical December day in Lincoln reaches about 56°F in the afternoon and slips back to 39°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 63°F. Set against its neighbours, December runs about 8°F cooler than November and on par with January.

20°30°40°50°60°70°151015202531
Avg high (°F)Avg low (°F)
15940
25840
35840
45840
55840
65840
75740
85740
95740
105740
115740
125639
135639
145639
155639
165639
175639
185639
195639
205638
215538
225538
235538
245538
255538
265538
275538
285538
295538
305538
315538

How December really feels in Lincoln

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 0 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
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Lincoln weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 40°6.410.59.64.0
Feb61° / 42°6.01010.54.9
Mar65° / 45°5.310.211.76.0
Apr71° / 48°2.66.9137.2
May79° / 54°1.54.614.17.8
Jun88° / 60°0.31.414.75.8
Jul93° / 64°0.00.114.44.2
Aug92° / 63°0.00.213.54.6
Sep87° / 59°0.20.812.36.3
Oct77° / 51°1.83.5118.3
Nov64° / 43°3.67.49.96.2
Dec56° / 39°6.611.19.33.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35149
45050
54951
64852
74852
84654
94654
104555
114555
124555
134555
144555
154654
164555
174654
184753
194753
204852
214753
224753
234951
244852
254852
264852
274852
284753
294753
304753
314753

Chance of precipitation in December

Any precipitation

Lincoln gets around 6.6 in of rain and snow over 11.1 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 40% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
234
335
436
537
638
738
839
940
1040
1140
1240
1340
1439
1539
1638
1737
1836
1935
2034
2134
2233
2333
2432
2532
2631
2731
2831
2932
3032
3132

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 99% 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
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in December

Winds average 5 mph in December.

Across December, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 min at the start of December to 9 h 18 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 7:11 AM to 7:29 AM, and sunset from 4:39 PM to 4:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:114:39
29.57:124:39
39.47:134:39
49.47:134:39
59.47:144:39
69.47:154:39
79.47:164:39
89.47:174:39
99.37:184:39
109.37:184:39
119.37:194:39
129.37:204:39
139.37:214:39
149.37:214:39
159.37:224:40
169.37:234:40
179.37:234:40
189.37:244:41
199.37:244:41
209.37:254:41
219.37:264:42
229.37:264:42
239.37:264:43
249.37:274:43
259.37:274:44
269.37:284:44
279.37:284:45
289.37:284:46
299.37:294:46
309.37:294:47
319.37:294:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.04 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 8.25 kWh/m² in July across the year — December's 2.04 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.0Dim
122.0Dim
132.0Dim
142.0Dim
152.0Dim
162.0Dim
172.0Dim
182.0Dim
192.0Moderate
202.0Moderate
212.0Moderate
222.0Moderate
232.0Moderate
242.0Moderate
252.0Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Lincoln

In seasonPeak

In December, Lincoln sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Lincoln's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Lincoln?

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

3.8
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Lincoln.

What to pack for Lincoln in December

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

In December, Lincoln sees daytime highs around 56°F and nights near 39°F. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Lincoln 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 Lincoln peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 21UV 10Dec 13UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Low
Dec2Low

Air quality in Lincoln 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 Lincoln is worst in September — around 41 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (June, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateSep 1140 µg/m³Jun 911 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar18Moderate
Apr15Moderate
May11Good
Jun11Good
Jul21Moderate
Aug37Poor
Sep41Poor
Oct21Moderate
Nov31Moderate
Dec13Moderate
Location & terrain

Where is Lincoln?

Lincoln sits at 38.9°N, 121.3°W, 167 ft above sea level, in United States. The nearest listed city is Rocklin, 7.5 mi away.

Topography around Lincoln

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

Within 2 miles, the terrain around Lincoln has only modest variations in elevation — a maximum elevation change of 184 ft around an average of 167 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,581 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,605 ft.

The land around Lincoln is covered by grassland (41%) and artificial surfaces (36%) within 2 miles, grassland (44%) and trees (27%) within 10 miles, and trees (47%), grassland (25%) and cropland (21%) within 50 miles.

2 miles
184 ft
10 miles
1,581 ft
50 miles
7,605 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Rocklin 7.5 mi · Roseville 9.9 mi · Granite Bay 11 mi · Citrus Heights 13 mi · Antelope 13 mi · North Highlands 15 mi · Foothill Farms 15 mi · Orangevale 15 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 Lincoln (38.8916°, -121.293°, elevation 167 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).