Cameron Park weather in December

In December, Cameron Park sees average daytime highs of 56°F and overnight lows near 39°F, with 7.1 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.

Day-to-day highs hold fairly steady near 56°F through the month. 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 Cameron Park's 9th-clearest and 3rd-windiest month. For the whole year in context, see Cameron Park's year-round climate.

Daytime high
56°
12th warmest
Overnight low
39°
1st coldest
Precipitation
7.1 in
11.1 wet days
Daylight
9 h 18 min
7:21 AM – 4:39 PM
Cloud cover
57%
9th clearest
Wind
5 mph
3rd windiest
Solar energy
2.09 kWh/m²
Travel score
3.7
out of 10

Cameron Park is census designated place in El Dorado County, California, United States.

Density
630/km²
people per km²

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 56°F through the month.

A typical December day in Cameron Park reaches about 56°F in the afternoon and slips back to 39°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 49°F and 62°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)
15841
25840
35740
45740
55740
65740
75740
85640
95640
105640
115640
125640
135640
145539
155539
165539
175539
185539
195539
205539
215539
225539
235539
245539
255538
265538
275538
285538
295539
305539
315539

How December really feels in Cameron Park

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.

Cameron Park 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
Jan56° / 40°7.010.60.39.63.8
Feb59° / 42°6.810.80.910.54.5
Mar64° / 44°6.210.60.611.75.7
Apr69° / 47°3.37.80.1136.8
May77° / 53°2.05.4014.17.9
Jun86° / 58°0.51.6014.66.6
Jul91° / 63°0.00.1014.44.8
Aug91° / 62°0.00.1013.55.0
Sep86° / 58°0.31.1012.36.7
Oct76° / 51°2.13.70118.3
Nov63° / 44°4.180.19.95.9
Dec56° / 39°7.111.10.49.33.7

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 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35248
45149
55050
65050
75050
84951
94852
104852
114753
124852
134852
144753
154753
164753
174753
184852
194753
204753
214753
224753
234753
244654
254654
264654
274654
284654
294654
304555
314555

Chance of precipitation in December

Any precipitation

Cameron Park gets around 7.1 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 35% and peaks near 38% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
234
335
436
536
637
737
838
938
1038
1138
1238
1338
1437
1537
1636
1736
1835
1935
2034
2134
2233
2333
2433
2533
2633
2732
2832
2933
3033
3133

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
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
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 7:09 AM to 7:27 AM, and sunset from 4:39 PM to 4:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:094:39
29.57:104:38
39.57:114:38
49.47:124:38
59.47:124:38
69.47:134:38
79.47:144:38
89.47:154:38
99.47:164:38
109.47:174:38
119.37:174:38
129.37:184:38
139.37:194:39
149.37:194:39
159.37:204:39
169.37:214:39
179.37:214:40
189.37:224:40
199.37:234:40
209.37:234:41
219.37:244:41
229.37:244:42
239.37:254:42
249.37:254:43
259.37:254:43
269.37:264:44
279.37:264:44
289.37:264:45
299.37:274:46
309.37:274:46
319.37:274:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.09 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.09 kWh/m² to a high of 8.24 kWh/m² in July across the year — December's 2.09 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.0Moderate
102.0Moderate
112.0Moderate
122.0Moderate
132.0Moderate
142.0Moderate
152.0Moderate
162.0Moderate
172.0Moderate
182.0Moderate
192.0Moderate
202.0Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Cameron Park

In seasonPeak

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

Cameron Park'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 Cameron Park?

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

3.7
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Cameron Park.

What to pack for Cameron Park in December

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

In December, Cameron Park 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 Cameron Park 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 Cameron Park peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 12UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Cameron Park 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 Cameron Park is worst in August — around 67 µg/m³ PM2.5 (unhealthy), about 7.7× the cleanest month (January, 9 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateGoodAug 2366 µg/m³Jan 159 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr12Good
May11Good
Jun11Good
Jul24Moderate
Aug67Unhealthy
Sep65Unhealthy
Oct17Moderate
Nov15Moderate
Dec9Good
Location & terrain

Where is Cameron Park?

Cameron Park sits at 38.7°N, 121.0°W, 1,204 ft above sea level, in United States. The nearest listed city is El Dorado Hills, 5.0 mi away.

Topography around Cameron Park

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

Within 2 miles, the terrain around Cameron Park has only modest variations in elevation — a maximum elevation change of 748 ft around an average of 1,312 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,949 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,905 ft.

The land around Cameron Park is covered by trees (59%) and artificial surfaces (22%) within 2 miles, trees (50%) and grassland (38%) within 10 miles, and trees (53%) and grassland (24%) within 50 miles.

2 miles
748 ft
10 miles
1,949 ft
50 miles
9,905 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: El Dorado Hills 5.0 mi · Folsom 9.9 mi · Granite Bay 12 mi · Orangevale 13 mi · Fair Oaks 16 mi · Rocklin 16 mi · Citrus Heights 16 mi · Roseville 17 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 Cameron Park (38.6688°, -120.9872°, elevation 1,204 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).