Henderson weather in December

In December, Henderson sees average daytime highs of 57°F and overnight lows near 40°F, with 0.7 in of precipitation across 2.5 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 60°F in the first days to 56°F by the end. The sky is clear or mostly clear about 57% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Henderson's 9th-clearest and 11th-windiest month. For the whole year in context, see Henderson's year-round climate.

Daytime high
57°
12th warmest
Overnight low
40°
1st coldest
Precipitation
0.7 in
2.5 wet days
Daylight
9 h 36 min
6:49 AM – 4:23 PM
Cloud cover
38%
9th clearest
Wind
4 mph
11th windiest
Solar energy
2.91 kWh/m²
Travel score
5.0
out of 10

Henderson is city in Clark County, Nevada, United States.

Density
1,024/km²
people per km²
Founded
1941

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 60°F in the first days to 56°F by the end.

A typical December day in Henderson reaches about 57°F in the afternoon and slips back to 40°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 49°F and 65°F. Set against its neighbours, December runs about 10°F cooler than November and about 2°F cooler than January.

30°40°50°60°70°151015202531
Avg high (°F)Avg low (°F)
16043
26042
36042
45942
55942
65942
75842
85841
95841
105841
115841
125741
135741
145740
155740
165640
175640
185640
195640
205640
215640
225640
235640
245640
255640
265640
275640
285640
295640
305640
315640

How December really feels in Henderson

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.

Henderson 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 daysDaylight (hours)Travel score
Jan59° / 41°0.73.29.85.4
Feb64° / 44°1.0410.66.7
Mar71° / 50°0.6311.78.1
Apr79° / 56°0.21.412.98.3
May89° / 64°0.10.813.95.6
Jun99° / 73°0.10.314.41.9
Jul104° / 80°0.32.314.20.1
Aug102° / 79°0.42.613.40.6
Sep94° / 71°0.31.312.23.5
Oct81° / 59°0.31.311.17.9
Nov67° / 47°0.41.410.17.9
Dec57° / 40°0.72.59.65.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27327
37228
47228
57129
67129
77129
87129
97129
107030
117030
127030
137030
147030
157030
167129
177129
187129
197129
207129
217129
227030
236931
246931
256931
266832
276733
286733
296733
306733
316634

Chance of precipitation in December

Any precipitation

Henderson gets around 0.7 in of rain and snow over 2.5 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 8% and peaks near 10% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
16
26
37
47
57
67
77
88
98
108
118
128
138
148
158
169
179
189
199
209
219
229
239
249
259
269
279
289
2910
3010
3110

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.

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 42 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 6 minutes over December. Sunrise moves from 6:38 AM to 6:56 AM, and sunset from 4:22 PM to 4:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:384:22
29.76:394:21
39.76:404:21
49.76:404:21
59.76:414:21
69.76:424:21
79.66:434:21
89.66:444:21
99.66:444:21
109.66:454:22
119.66:464:22
129.66:474:22
139.66:474:22
149.66:484:22
159.66:494:23
169.66:494:23
179.66:504:23
189.66:504:24
199.66:514:24
209.56:514:24
219.56:524:25
229.56:524:25
239.56:534:26
249.56:534:26
259.66:544:27
269.66:544:27
279.66:544:28
289.66:554:29
299.66:554:29
309.66:554:30
319.66:564:31

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.91 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.91 kWh/m² to a high of 8.58 kWh/m² in June across the year — December's 2.91 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.0Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
313.0Moderate
Planning a trip in December

Is December a good time to visit Henderson?

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

5.0
Sightseeing
8th-best month of the year
0.1
Beach & pool
12th-best month of the year

December is a reasonable time to visit Henderson for sightseeing.

What to pack for Henderson in December

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

In December, Henderson sees daytime highs around 57°F and nights near 40°F. Worth packing: a warm layer.

a warm layer

UV index in Henderson 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 Henderson peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Henderson?

Henderson sits at 36.0°N, 115.0°W, 1,867 ft above sea level, in United States. The nearest listed city is Whitney, 5.0 mi away.

Topography around Henderson

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

Within 2 miles, the terrain around Henderson has only modest variations in elevation — a maximum elevation change of 722 ft around an average of 1,890 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,924 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,188 ft.

The land around Henderson is covered by artificial surfaces (60%) and bare terrain (33%) within 2 miles, bare terrain (50%) and artificial surfaces (32%) within 10 miles, and bare terrain (62%) and shrubs (23%) within 50 miles.

2 miles
722 ft
10 miles
3,924 ft
50 miles
11,188 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
December weather nearby: Whitney 5.0 mi · Boulder City 9.3 mi · Winchester 9.9 mi · Paradise 9.9 mi · Las Vegas 13 mi · Sunrise Manor 13 mi · North Las Vegas 13 mi · Enterprise 14 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 Henderson (36.0397°, -114.9819°, elevation 1,867 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).