Beaumont weather in December

In December, Beaumont sees average daytime highs of 57°F and overnight lows near 39°F, with 2.1 in of precipitation across 5.1 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 59°F in the first days to 56°F by the end. The sky is clear or mostly clear about 52% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Beaumont's 9th-clearest and 1st-windiest month. For the whole year in context, see Beaumont's year-round climate.

Daytime high
57°
12th warmest
Overnight low
39°
1st coldest
Precipitation
2.1 in
5.1 wet days
Daylight
9 h 48 min
6:51 AM – 4:37 PM
Cloud cover
42%
9th clearest
Wind
4 mph
1st windiest
Solar energy
3.07 kWh/m²
Travel score
4.7
out of 10

Beaumont is city in Riverside County, California, United States.

Density
547/km²
people per km²
Founded
1912

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 59°F in the first days to 56°F by the end.

A typical December day in Beaumont reaches about 57°F in the afternoon and slips back to 39°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 67°F. Set against its neighbours, December runs about 8°F cooler than November and on par with January.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16041
25941
35941
45940
55840
65840
75840
85840
95840
105740
115739
125739
135739
145739
155639
165639
175638
185638
195638
205638
215638
225638
235638
245638
255638
265638
275638
285638
295638
305638
315638

Beaumont 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
Jan57° / 39°2.66.11.1104.7
Feb58° / 40°3.17.31.410.74.7
Mar62° / 42°1.96.3111.75.9
Apr66° / 45°1.04.10.412.87.4
May73° / 51°0.52.9013.78.5
Jun81° / 58°0.10.9014.28.4
Jul87° / 64°0.52.80146.2
Aug87° / 65°0.43013.36.0
Sep83° / 61°0.31.7012.27.7
Oct74° / 52°0.62.4011.18.7
Nov64° / 44°0.93.30.210.27.2
Dec57° / 39°2.15.10.79.84.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36634
46634
56634
66535
76436
86436
96436
106436
116436
126436
136436
146436
156436
166535
176535
186535
196436
206436
216535
226436
236436
246436
256337
266337
276238
286238
296139
306139
316139

Chance of precipitation in December

Any precipitationSnow

Beaumont gets around 2.1 in of rain and snow over 5.1 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 17% and peaks near 19% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1141
2151
3151
4151
5151
6162
7162
8162
9162
10162
11162
12172
13172
14172
15172
16172
17173
18173
19173
20173
21173
22173
23173
24183
25183
26183
27183
28183
29193
30193
31193

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 4 mph in December, the windiest month of the year.

Across December, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 54 min at the start of December to 9 h 48 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 6:41 AM to 6:58 AM, and sunset from 4:35 PM to 4:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:414:35
29.96:414:35
39.96:424:35
49.96:434:35
59.86:444:35
69.86:454:35
79.86:454:35
89.86:464:35
99.86:474:35
109.86:484:35
119.86:484:35
129.86:494:36
139.86:504:36
149.86:504:36
159.86:514:36
169.86:514:37
179.76:524:37
189.76:534:37
199.76:534:38
209.76:544:38
219.76:544:39
229.76:554:39
239.76:554:40
249.76:564:40
259.76:564:41
269.76:564:41
279.76:574:42
289.86:574:42
299.86:574:43
309.86:584:44
319.86:584:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.07 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.07 kWh/m² to a high of 8.41 kWh/m² in June across the year — December's 3.07 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.1Moderate
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
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in December

Is December a good time to visit Beaumont?

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

4.7
Sightseeing
10th-best month of the year
0.1
Beach & pool
10th-best month of the year

December is a reasonable time to visit Beaumont for sightseeing.

What to pack for Beaumont in December

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

In December, Beaumont sees daytime highs around 57°F and nights near 39°F. Worth packing: a warm layer. About 5 days see rain.

a warm layer

UV index in Beaumont 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 Beaumont peaks around July 12 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 highHighModerateJul 12UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar6High
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Beaumont 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 Beaumont is worst in September — around 40 µg/m³ PM2.5 (poor), about 5.4× the cleanest month (December, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1437 µg/m³Dec 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr10Good
May8Good
Jun19Moderate
Jul12Moderate
Aug20Moderate
Sep40Poor
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is Beaumont?

Beaumont sits at 33.9°N, 117.0°W, 2,612 ft above sea level, in United States. The nearest listed city is Banning, 5.6 mi away.

Topography around Beaumont

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

Within 2 miles, the terrain around Beaumont has only modest variations in elevation — a maximum elevation change of 420 ft around an average of 2,598 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 7,398 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,535 ft.

The land around Beaumont is covered by artificial surfaces (47%) and grassland (29%) within 2 miles, grassland (38%) and shrubs (37%) within 10 miles, and shrubs (32%) within 50 miles.

2 miles
420 ft
10 miles
7,398 ft
50 miles
11,535 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Banning 5.6 mi · Yucaipa 8.1 mi · San Jacinto 9.9 mi · Hemet 12 mi · East Hemet 13 mi · Moreno Valley 14 mi · Redlands 15 mi · Menifee 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 Beaumont (33.9295°, -116.9772°, elevation 2,612 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).