Summerlin South Weather in January
Average highs run from 51°F on January 1 to 55°F on January 31, and lows from 32°F to 33°F. Normal precipitation for the month is 1.37 in over about 4 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 53°F
- Average low
- 32°F
- Precipitation
- 1.37 in
- Snowfall
- 0.9 in
- Record high
- 77°FJan 26, 1975
- Record low
- 8°FJan 13, 1963
- Chance of a freeze
- 100%
- Daylight
- 9 h 46 min to 10 h 24 min
- Cloud cover
- 48%
- Humidity
- 51%
- Dew point
- 22°F
- Wind
- 8.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 51°F | 32°F | 69°F 1981 | 21°F 1954 | 11% | 1% |
| Jan 2 | 52°F | 32°F | 69°F 1981 | 13°F 1974 | 11% | 1% |
| Jan 3 | 52°F | 32°F | 69°F 1997 | 12°F 1974 | 11% | 1% |
| Jan 4 | 52°F | 32°F | 68°F 2007 | 14°F 1950 | 11% | 1% |
| Jan 5 | 52°F | 32°F | 71°F 2003 | 12°F 1950 | 11% | 1% |
| Jan 6 | 52°F | 32°F | 74°F 1962 | 12°F 1950 | 12% | 1% |
| Jan 7 | 52°F | 32°F | 75°F 1962 | 15°F 1971 | 12% | 1% |
| Jan 8 | 52°F | 32°F | 74°F 1962 | 20°F 1971 | 12% | 1% |
| Jan 9 | 52°F | 32°F | 67°F 2015 | 20°F 1964 | 12% | 1% |
| Jan 10 | 53°F | 32°F | 69°F 1953 | 20°F 1949 | 12% | 1% |
| Jan 11 | 53°F | 32°F | 70°F 1986 | 17°F 1962 | 12% | 1% |
| Jan 12 | 53°F | 32°F | 71°F 1980 | 14°F 1963 | 12% | 1% |
| Jan 13 | 53°F | 32°F | 67°F 1953 | 8°F 1963 | 12% | 1% |
| Jan 14 | 53°F | 32°F | 73°F 2026 | 14°F 1963 | 12% | 1% |
| Jan 15 | 53°F | 32°F | 71°F 1991 | 20°F 1949 | 12% | 1% |
| Jan 16 | 53°F | 32°F | 73°F 1976 | 23°F 1962 | 12% | 1% |
| Jan 17 | 53°F | 32°F | 74°F 2011 | 20°F 1949 | 12% | 1% |
| Jan 18 | 53°F | 32°F | 72°F 1971 | 20°F 1949 | 12% | 1% |
| Jan 19 | 54°F | 32°F | 74°F 1971 | 22°F 1963 | 12% | 1% |
| Jan 20 | 54°F | 32°F | 72°F 1971 | 18°F 1963 | 13% | 1% |
| Jan 21 | 54°F | 32°F | 70°F 2009 | 24°F 1958 | 13% | 1% |
| Jan 22 | 54°F | 32°F | 69°F 2009 | 24°F 1966 | 13% | 1% |
| Jan 23 | 54°F | 32°F | 72°F 1950 | 23°F 1962 | 13% | 1% |
| Jan 24 | 54°F | 33°F | 73°F 1970 | 22°F 1964 | 13% | 1% |
| Jan 25 | 54°F | 33°F | 75°F 1953 | 25°F 1950 | 13% | 1% |
| Jan 26 | 54°F | 33°F | 77°F 1975 | 18°F 1950 | 13% | 1% |
| Jan 27 | 54°F | 33°F | 73°F 1971 | 16°F 1950 | 14% | 1% |
| Jan 28 | 54°F | 33°F | 71°F 1971 | 20°F 1949 | 14% | 1% |
| Jan 29 | 54°F | 33°F | 72°F 2024 | 17°F 1979 | 14% | 1% |
| Jan 30 | 54°F | 33°F | 74°F 2016 | 18°F 1949 | 14% | 1% |
| Jan 31 | 55°F | 33°F | 75°F 2003 | 19°F 1949 | 14% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 6:52 AM, sunset 4:38 PM
- January 31
- sunrise 6:43 AM, sunset 5:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00266691 (Red Rock Canyon - Spg Mt Rch S), public domain. Records: NOAA GHCN-Daily, station USW00023169, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.