Las Vegas, NV weather in January
Expect cool, mostly dry weather in Las Vegas in January, with highs near 59°F and lows near 41°F. Rain falls on about 3 days. It is one of the coolest months in Las Vegas.
- Normal high
- 59°F
- Normal low
- 41°F
- Wet days
- 3
- 0.6 in total
- Muggy days
- 0
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 57°F | 60°F |
| Normal low | 39°F | 42°F |
| Chance of a wet day | 10% | 11% |
| Sunrise / sunset | 6:51 am / 4:36 pm | 6:42 am / 5:05 pm |
| Daylight | 9.8 h | 10.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical January day
- 6 am42°Fdew point 25°F
- 9 am47°Fdew point 26°F
- Noon55°Fdew point 24°F
- 3 pm58°Fdew point 24°F
- 6 pm54°Fdew point 25°F
- 9 pm48°Fdew point 26°F
NOAA hourly normals (local standard time) from Las Vegas Mccarran Airport (7 mi away); average wind 6 mph; clear or few clouds in 43% of daytime hours, mostly cloudy or overcast in 40%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F6 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow3 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below3 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain in January
Normal precipitation is 0.6 in; a dry January brings about 0.01 in and a wet one about 0.9 in (25th and 75th percentiles). Days with half an inch or more are rare. Snow is very rare.
How January varies from year to year
- Warmest January, 1991-20202003: average high 65°F
- Coolest January1993: average high 54°F
- Wettest January1995: 3.0 in
- Driest January1999: no measurable precipitation
- Highest reading75°F (January 31, 2003)
- Lowest reading22°F (January 1, 1991)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 57°F | 59°F | 63°F |
| Normal low | 40°F | 41°F | 44°F |
| Wet days | 3 | 3 | 4 |
| Comfortable days | 4 | 6 | 12 |
| Daylight | 9.7 h | 10.0 h | 10.9 h |
Highs change by +2°F from December and +4°F into February.
Nearby alternatives in January
- Warmer: Furnace Creek, CA98 mi · high 67°F · 2 wet days
- Cooler: Grand Canyon Village, AZ166 mi · high 44°F · 6 wet days
How Las Vegas ranks in January
- Normal high120th warmest of 378 cities; 1st of 3 in Nevada
- Wet days5th driest of 378
- Comfortable days120th most of 339
Frost in January
The last spring frost typically comes around Jan 20; in 1 year in 10 it comes after Feb 14. All frost dates for Las Vegas.
Heating and cooling
January has 481 heating degree days and 0 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How cold is Las Vegas in January?
The normal high is 59°F and the normal low is 41°F. From 1991 to 2020 the coldest January reading was 22°F (January 1, 1991).
Does it rain a lot in Las Vegas in January?
About 3 days in January have at least 0.01 in of precipitation, and the normal total is 0.6 in. The wettest January in 1991-2020 was in 1995 (3.0 in); the driest was in 1999, with no measurable precipitation.
Is January a good time to visit Las Vegas?
January ranks 7th of 12 months on our comfort score for Las Vegas (54 out of 100). It has about 6 comfortable days. The best month is March.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Las Vegas Mccarran Airport (USW00023169), 7.3 mi SSW of the city center, 2,131 ft (135 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mccarran International Airport (723860-23169), 7.3 mi SSW of the city center, 2,175 ft (179 ft higher than the city). Hourly observations, 1991-2020.