Glendale Weather in December
Average highs run from 67°F on December 1 to 63°F on December 31, and lows from 42°F to 40°F. Normal precipitation for the month is 0.90 in over about 4 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 64°F
- Average low
- 40°F
- Precipitation
- 0.90 in
- Record high
- 84°FDec 16, 1980
- Record low
- 21°FDec 8, 1978
- Chance of a freeze
- 77%
- Daylight
- 10 h 06 min to 9 h 58 min
- Cloud cover
- 42%
- Humidity
- 45%
- Dew point
- 28°F
- Wind
- 6.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 67°F | 42°F | 80°F 1964 | 32°F 1975 | 9% |
| Dec 2 | 67°F | 42°F | 80°F 2008 | 32°F 2004 | 9% |
| Dec 3 | 66°F | 42°F | 80°F 2017 | 31°F 1991 | 9% |
| Dec 4 | 66°F | 42°F | 80°F 1965 | 29°F 1973 | 9% |
| Dec 5 | 65°F | 41°F | 81°F 1965 | 30°F 1968 | 10% |
| Dec 6 | 65°F | 41°F | 81°F 1965 | 30°F 1971 | 10% |
| Dec 7 | 65°F | 41°F | 80°F 1965 | 23°F 1978 | 10% |
| Dec 8 | 65°F | 41°F | 83°F 1996 | 21°F 1978 | 10% |
| Dec 9 | 64°F | 41°F | 82°F 1981 | 24°F 1978 | 10% |
| Dec 10 | 64°F | 40°F | 79°F 1995 | 26°F 1971 | 11% |
| Dec 11 | 64°F | 40°F | 78°F 2004 | 27°F 1971 | 11% |
| Dec 12 | 64°F | 40°F | 79°F 2010 | 25°F 1972 | 11% |
| Dec 13 | 64°F | 40°F | 79°F 1996 | 26°F 1968 | 11% |
| Dec 14 | 63°F | 40°F | 78°F 1969 | 25°F 1972 | 11% |
| Dec 15 | 63°F | 40°F | 78°F 1969 | 27°F 1964 | 11% |
| Dec 16 | 63°F | 40°F | 84°F 1980 | 28°F 1964 | 12% |
| Dec 17 | 63°F | 40°F | 83°F 1980 | 29°F 1971 | 12% |
| Dec 18 | 63°F | 40°F | 80°F 2024 | 27°F 1968 | 12% |
| Dec 19 | 63°F | 40°F | 79°F 2024 | 21°F 1968 | 12% |
| Dec 20 | 63°F | 40°F | 78°F 2024 | 29°F 1996 | 12% |
| Dec 21 | 63°F | 40°F | 75°F 1969 | 29°F 1968 | 12% |
| Dec 22 | 63°F | 40°F | 76°F 2005 | 22°F 1968 | 12% |
| Dec 23 | 63°F | 40°F | 76°F 1971 | 25°F 1968 | 12% |
| Dec 24 | 63°F | 40°F | 78°F 1971 | 26°F 1974 | 12% |
| Dec 25 | 63°F | 40°F | 79°F 2005 | 26°F 1990 | 12% |
| Dec 26 | 63°F | 40°F | 76°F 1980 | 25°F 1990 | 12% |
| Dec 27 | 63°F | 40°F | 79°F 1980 | 25°F 1966 | 12% |
| Dec 28 | 63°F | 40°F | 76°F 1980 | 25°F 1988 | 12% |
| Dec 29 | 63°F | 40°F | 83°F 1980 | 22°F 1966 | 12% |
| Dec 30 | 63°F | 40°F | 80°F 1980 | 27°F 1969 | 12% |
| Dec 31 | 63°F | 40°F | 77°F 1980 | 25°F 1969 | 12% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:15 AM, sunset 5:21 PM
- December 31
- sunrise 7:33 AM, sunset 5:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00029634 (Youngtown), public domain. Records: NOAA GHCN-Daily, station USC00029634, 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.