Las Vegas weather in January

In January, Las Vegas sees average daytime highs of 34°C and overnight lows near 23°C, with 9 mm of rain across 2.2 wet days and about 11.5 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 43% of the time in January, and the air most often feels muggy.

Daylight stretches from about 11 h 30 min at the start of January to 11 h 36 min by month's end. Set against the rest of the year, January is Las Vegas's 1st-clearest and 3rd-windiest month. For the whole year in context, see Las Vegas's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
23°
7th coldest
Rainfall
9 mm
2.2 wet days
Daylight
11 h 30 min
6:29 AM – 5:59 PM
Cloud cover
48%
1st clearest
Wind
8 km/h
3rd windiest
Solar energy
5.31 kWh/m²
Travel score
3.4
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical January day in Las Vegas reaches about 34°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C cooler than February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83423
93423
103423
113423
123423
133423
143423
153423
163423
173423
183423
193423
203423
213423
223523
233523
243523
253523
263523
273523
283523
293523
303523
313523

How January really feels in Las Vegas

Once humidity and wind are folded in, January averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Las Vegas weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 23°92.211.53.4
Feb35° / 24°81.911.72.8
Mar36° / 25°305.111.92.3
Apr34° / 25°13515.112.22.4
May32° / 24°26724.412.42.6
Jun30° / 23°2722612.52.8
Jul30° / 23°2452812.52.8
Aug30° / 23°21827.712.32.8
Sep31° / 23°19326.112.12.7
Oct32° / 23°1722511.82.7
Nov32° / 23°11118.511.63.0
Dec33° / 23°407.511.53.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of January, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36535
46634
56634
66733
76832
86832
96931
106832
116931
126931
137030
147030
156931
166931
176931
186931
196931
206832
216832
226832
236832
246733
256733
266733
276634
286634
296634
306634
316634

Chance of precipitation in January

Any precipitation

Las Vegas gets around 9 mm of rain over 2.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 13% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
113
212
311
411
510
610
710
89
99
108
118
128
137
147
157
167
176
186
196
206
216
225
235
245
255
265
275
284
294
305
315

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the muggy band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10235819
21245718
31255816
41265815
51275814
61295713
71305712
81315711
92325610
10232579
11233569
12234568
13235567
14236557
15337546
16338545
17339535
18340525
19441514
20442504
21443494
22543484
23544474
24544474
25645464
26645454
27645444
28646434
29746435
30746425
31746416

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 30 min at the start of January to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:24 AM to 6:30 AM, and sunset from 5:51 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:245:51
211.56:255:52
311.56:255:52
411.56:255:53
511.56:265:53
611.56:265:54
711.56:265:54
811.56:275:55
911.56:275:55
1011.56:275:56
1111.56:285:56
1211.56:285:57
1311.56:285:57
1411.56:285:58
1511.56:295:58
1611.56:295:59
1711.56:295:59
1811.56:296:00
1911.56:296:00
2011.56:306:01
2111.56:306:01
2211.56:306:02
2311.56:306:02
2411.56:306:02
2511.56:306:03
2611.56:306:03
2711.66:306:04
2811.66:306:04
2911.66:306:04
3011.66:306:05
3111.66:306:05

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.31 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 5.87 kWh/m² in March across the year — January's 5.31 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in January

Hazard calendar for Las Vegas

In seasonPeak

None of Las Vegas's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Las Vegas's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Las Vegas?

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

3.4
Sightseeing
2nd-best month of the year
7.0
Beach & pool
1st-best month of the year

January is a weaker month for outdoor sightseeing in Las Vegas. The water and warmth also suit a beach or pool day.

What to pack for Las Vegas in January

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

In January, Las Vegas sees daytime highs around 34°C and nights near 23°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Las Vegas in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Las Vegas peaks around February 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highFeb 22UV 13Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Las Vegas in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Las Vegas is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2233 µg/m³Dec 2014 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar33Moderate
Apr31Moderate
May30Moderate
Jun30Moderate
Jul25Moderate
Aug22Moderate
Sep21Moderate
Oct21Moderate
Nov18Moderate
Dec14Moderate
Location & terrain

Where is Las Vegas?

Las Vegas sits at 9.5°N, 68.6°W, 120 m above sea level, in Venezuela. The nearest listed city is San Carlos, 15 km away.

Topography around Las Vegas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Las Vegas.

Within 3 km, the terrain around Las Vegas has only modest variations in elevation — a maximum elevation change of 27 m around an average of 115 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 195 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,700 m.

The land around Las Vegas is covered by grassland (50%) and trees (29%) within 3 km, grassland (53%) and trees (41%) within 16 km, and trees (48%) and grassland (40%) within 80 km.

3 km
27 m
16 km
195 m
80 km
1,700 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: San Carlos 15 km · Tinaco 28 km · San Rafael de Onoto 41 km · Tinaquillo 55 km · El Pao 56 km · Villa Bruzual 58 km · Acarigua 62 km · Píritu 66 km

Venezuela travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 0% of US
price level, 2011
GDP per capita
$3,495
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
12.6
per 100k, 2022
Road deaths
39
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 520
Religion
Roman Catholic 48%Protestant 32%none 14%believer 4%

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 Las Vegas (9.5372°, -68.6302°, elevation 120 m), 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).