Truckee weather in December

In December, Truckee sees average daytime highs of 37°F and overnight lows near 24°F, with 7.0 in of precipitation across 11.6 wet days and about 9.3 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 37°F through the month. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of December to 9 h 18 min by month's end. Set against the rest of the year, December is Truckee's 10th-clearest and 1st-windiest month. For the whole year in context, see Truckee's year-round climate.

Daytime high
37°
12th warmest
Overnight low
24°
1st coldest
Precipitation
7.0 in
11.6 wet days
Daylight
9 h 12 min
7:20 AM – 4:34 PM
Cloud cover
61%
10th clearest
Wind
6 mph
1st windiest
Solar energy
2.26 kWh/m²
Travel score
0.0
out of 10

Truckee is town in Nevada County, California, United States.

Density
187/km²
people per km²
Founded
1993

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 37°F through the month.

A typical December day in Truckee reaches about 37°F in the afternoon and slips back to 24°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 29°F and 45°F. Set against its neighbours, December runs about 8°F cooler than November and on par with January.

20°30°40°50°151015202531
Avg high (°F)Avg low (°F)
14025
23924
33924
43924
53924
63824
73824
83824
93824
103824
113824
123724
133723
143723
153723
163723
173723
183723
193723
203723
213723
223723
233723
243723
253723
263723
273723
283723
293723
303724
313724

How December really feels in Truckee

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
wind chill below the day's low

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

Truckee 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 daysSnow daysDaylight (hours)Travel score
Jan38° / 24°7.011.611.29.50.0
Feb40° / 24°6.611.711.510.50.0
Mar43° / 26°6.21211.611.70.5
Apr47° / 29°3.59.98.4131.6
May57° / 35°2.69.34.414.14.2
Jun69° / 44°1.04.80.914.77.7
Jul78° / 52°0.53.2014.58.6
Aug77° / 52°0.53.2013.58.7
Sep71° / 46°0.73.70.412.38.2
Oct60° / 37°2.05.22.2115.7
Nov46° / 28°3.98.57.59.81.3
Dec37° / 24°7.011.611.19.30.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
24852
34852
44753
54753
64654
74555
84555
94555
104456
114456
124456
134456
144456
154654
164654
174654
184654
194654
204654
214654
224654
234654
244654
254555
264555
274555
284456
294456
304357
314258

Chance of precipitation in December

Any precipitationSnow

Truckee gets around 7.0 in of rain and snow over 11.6 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 37% and peaks near 39% on the wettest days, and about 11 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13632
23733
33734
43834
53935
63935
73935
83936
93936
103936
113936
123936
133836
143836
153836
163736
173736
183635
193635
203535
213535
223535
233535
243535
253535
263535
273535
283535
293535
303536
313536

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 (%)
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 December

Winds average 6 mph in December, the windiest month of the year.

Across December, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 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 6 minutes over December. Sunrise moves from 7:08 AM to 7:26 AM, and sunset from 4:33 PM to 4:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:084:33
29.47:084:33
39.47:094:33
49.47:104:33
59.47:114:33
69.37:124:33
79.37:134:33
89.37:144:33
99.37:154:33
109.37:154:33
119.37:164:33
129.37:174:33
139.37:184:33
149.37:184:34
159.27:194:34
169.27:204:34
179.27:204:34
189.27:214:35
199.27:214:35
209.27:224:36
219.27:224:36
229.27:234:36
239.27:234:37
249.27:244:37
259.27:244:38
269.27:254:39
279.27:254:39
289.27:254:40
299.27:254:40
309.37:264:41
319.37:264:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.26 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 8.21 kWh/m² in June across the year — December's 2.26 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.2Moderate
92.2Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in December

Hazard calendar for Truckee

In seasonPeak

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

Truckee's rainy season runs November–April, 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 Truckee?

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
8th-best month of the year

December is a weaker month for outdoor sightseeing in Truckee.

What to pack for Truckee in December

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

In December, Truckee sees daytime highs around 37°F and nights near 24°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Truckee 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 Truckee peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJun 21UV 11Dec 13UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr8Very high
May10Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Truckee 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 Truckee is worst in August — around 85 µg/m³ PM2.5 (unhealthy), about 16.6× the cleanest month (December, 5 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateGoodAug 1679 µg/m³Dec 165 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar9Good
Apr9Good
May9Good
Jun14Moderate
Jul45Poor
Aug85Unhealthy
Sep34Moderate
Oct11Good
Nov6Good
Dec5Good
Location & terrain

Where is Truckee?

Truckee sits at 39.3°N, 120.2°W, 5,817 ft above sea level, in United States. The nearest listed city is Reno, 24 mi away.

Topography around Truckee

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

Within 2 miles, the terrain around Truckee has significant variations in elevation — a maximum elevation change of 994 ft around an average of 6,066 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,799 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,062 ft.

The land around Truckee is covered by trees (75%) within 2 miles, trees (85%) within 10 miles, and trees (60%) and grassland (30%) within 50 miles.

2 miles
994 ft
10 miles
3,799 ft
50 miles
10,062 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
December weather nearby: Reno 24 mi · Carson City 25 mi · Sparks 27 mi · Sun Valley 29 mi · Lake Tahoe 29 mi · Spanish Springs 34 mi · Fernley 53 mi · Cameron Park 63 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 Truckee (39.328°, -120.1833°, elevation 5,817 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).