Ridgecrest weather in December

In December, Ridgecrest sees average daytime highs of 55°F and overnight lows near 38°F, with 0.9 in of precipitation across 3.1 wet days and about 9.6 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 57°F in the first days to 54°F by the end. The sky is clear or mostly clear about 56% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Ridgecrest's 10th-clearest and 11th-windiest month. For the whole year in context, see Ridgecrest's year-round climate.

Daytime high
55°
12th warmest
Overnight low
38°
1st coldest
Precipitation
0.9 in
3.1 wet days
Daylight
9 h 36 min
6:59 AM – 4:35 PM
Cloud cover
38%
10th clearest
Wind
5 mph
11th windiest
Solar energy
3.03 kWh/m²
Travel score
4.3
out of 10

Ridgecrest is city in Kern County, California, United States.

Density
519/km²
people per km²
Founded
1963

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 57°F in the first days to 54°F by the end.

A typical December day in Ridgecrest reaches about 55°F in the afternoon and slips back to 38°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 63°F. Set against its neighbours, December runs about 9°F cooler than November and on par with January.

20°30°40°50°60°70°151015202531
Avg high (°F)Avg low (°F)
15740
25740
35739
45739
55639
65639
75639
85638
95638
105538
115538
125538
135538
145538
155538
165538
175437
185437
195437
205437
215437
225437
235437
245437
255437
265437
275437
285437
295437
305437
315437

How December really feels in Ridgecrest

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.

Ridgecrest weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan56° / 38°1.24.20.89.94.5
Feb59° / 40°1.34.30.610.75.5
Mar66° / 44°0.73.10.411.77.3
Apr72° / 48°0.31.4012.98.6
May81° / 55°0.10.6013.98.3
Jun91° / 63°0.00.3014.45.1
Jul96° / 69°0.10.8014.22.8
Aug96° / 68°0.10.5013.33.2
Sep88° / 63°0.10.5012.26.0
Oct76° / 53°0.31.2011.18.9
Nov64° / 44°0.41.80.210.17.1
Dec55° / 38°0.93.10.59.64.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47426
57327
67327
77327
87228
97228
107228
117228
127228
137228
147228
157129
167129
177228
187129
197129
207030
217030
226931
236931
246832
256832
266634
276634
286634
296535
306535
316436

Chance of precipitation in December

Any precipitationSnow

Ridgecrest gets around 0.9 in of rain and snow over 3.1 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 10% and peaks near 14% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
182
282
382
492
592
692
792
892
991
10101
11101
12101
13101
14101
15101
16101
17101
18101
19102
20102
21102
22112
23112
24112
25122
26123
27123
28133
29133
30143
31143

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 5 mph in December.

Across December, daily wind ranges from about 4 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
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 min at the start of December to 9 h 36 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 6:47 AM to 7:05 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)
19.86:474:33
29.76:484:33
39.76:494:33
49.76:504:33
59.76:514:33
69.76:524:33
79.76:524:33
89.76:534:33
99.76:544:33
109.66:554:34
119.66:554:34
129.66:564:34
139.66:574:34
149.66:584:34
159.66:584:35
169.66:594:35
179.66:594:35
189.67:004:36
199.67:014:36
209.67:014:36
219.67:024:37
229.67:024:37
239.67:034:38
249.67:034:38
259.67:034:39
269.67:044:39
279.67:044:40
289.67:044:41
299.67:054:41
309.67:054:42
319.67:054:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.03 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.03 kWh/m² to a high of 8.66 kWh/m² in June across the year — December's 3.03 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.1Moderate
Planning a trip in December

Is December a good time to visit Ridgecrest?

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

4.3
Sightseeing
10th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit Ridgecrest for sightseeing.

What to pack for Ridgecrest in December

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

In December, Ridgecrest sees daytime highs around 55°F and nights near 38°F. Worth packing: a warm layer. About 3 days see rain.

a warm layer

UV index in Ridgecrest in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ridgecrest peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 21UV 11Dec 17UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Ridgecrest 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 Ridgecrest is worst in August — around 20 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (December, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2220 µg/m³Dec 165 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar9Good
Apr9Good
May8Good
Jun10Good
Jul14Moderate
Aug20Moderate
Sep19Moderate
Oct9Good
Nov6Good
Dec5Good
Location & terrain

Where is Ridgecrest?

Ridgecrest sits at 35.6°N, 117.7°W, 2,290 ft above sea level, in United States. The nearest listed city is Rosamond, 59 mi away.

Topography around Ridgecrest

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

Within 2 miles, the terrain around Ridgecrest has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 2,303 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,516 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,167 ft.

The land around Ridgecrest is covered by bare terrain (49%) and artificial surfaces (45%) within 2 miles, bare terrain (80%) within 10 miles, and bare terrain (51%) and grassland (26%) within 50 miles.

2 miles
157 ft
10 miles
2,516 ft
50 miles
10,167 ft
treesshrubsgrasslandartificial surfacesbare terrain
December weather nearby: Rosamond 59 mi · Barstow 62 mi · Barstow Heights 63 mi · Lancaster 69 mi · Arvin 71 mi · Adelanto 73 mi · Lamont 75 mi · Palmdale 76 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 Ridgecrest (35.6225°, -117.6709°, elevation 2,290 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).