Weather on December 14
Flagstaff, AZ
55 Years of Data
About This Date
December 14th in Flagstaff, AZ typically brings chilly winter weather, with average highs around 43°F and lows near 15°F — a 28°F daily swing. Over 55 years of records, the warmest December 14th was in 2016 (42°F average), while the coldest was 1972 (7°F) — a 35°F range across recorded history. Precipitation has occurred on 16% of recorded December 14th dates, with snow falling 15% of the time (heaviest snowfall: 8.6"). The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for December 14th in Flagstaff, AZ? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 21° | 39° | — | — |
| 2024 | 50° | 17° | 34° | — | — |
| 2023 | 48° | 14° | 31° | — | — |
| 2022 | 36° | 3° | 20° | — | — |
| 2021 | 45° | 30° | 38° | 0.47" | 0.3" |
| 2020 | 37° | 16° | 27° | — | — |
| 2019 | 47° | 29° | 38° | — | — |
| 2018 | 47° | 13° | 30° | — | — |
| 2017 | 43° | 22° | 33° | — | — |
| 2016warmest | 57° | 26° | 42° | — | — |
| 2015 | 27° | 15° | 21° | 0.33" | 6.6" |
| 2014 | 40° | 22° | 31° | — | — |
| 2013 | 36° | 13° | 25° | — | — |
| 2012 | 33° | 26° | 30° | 0.85" | 8.6" |
| 2011 | 35° | 8° | 22° | 0.02" | 2.2" |
| 2010 | 56° | 22° | 39° | — | — |
| 2009 | 39° | 9° | 24° | — | — |
| 2008 | 31° | 14° | 22° | 0.06" | 0.3" |
| 2007 | 29° | -3° | 13° | — | — |
| 2006 | 56° | 21° | 38° | — | — |
| 2005 | 40° | 11° | 25° | — | — |
| 2004 | 53° | 18° | 35° | — | — |
| 2003 | 43° | 23° | 33° | — | — |
| 2002 | 51° | 22° | 36° | — | — |
| 2001 | 36° | 6° | 21° | 0.07" | — |
| 2000 | 39° | 21° | 30° | — | — |
| 1999 | 31° | 17° | 24° | — | — |
| 1998 | 49° | 17° | 33° | — | — |
| 1997 | 50° | 10° | 30° | — | — |
| 1996 | 43° | 18° | 30° | — | — |
| 1995 | 44° | 31° | 37° | 0.03" | 0.2" |
| 1994 | 39° | 12° | 26° | — | — |
| 1993 | 51° | 14° | 33° | — | — |
| 1992 | 34° | 13° | 23° | — | — |
| 1991 | 44° | 15° | 30° | — | — |
| 1990 | 46° | 19° | 33° | — | — |
| 1989 | 57° | 5° | 31° | — | — |
| 1988 | 50° | 23° | 37° | — | — |
| 1987 | 24° | 11° | 17° | — | — |
| 1986 | 44° | 12° | 28° | — | — |
| 1985 | 41° | 6° | 24° | — | — |
| 1984 | 27° | 8° | 17° | 0.21" | 2.1" |
| 1983 | 47° | 27° | 37° | — | — |
| 1982 | 44° | 5° | 25° | — | — |
| 1981 | 54° | 22° | 38° | — | — |
| 1980 | 49° | 33° | 41° | — | — |
| 1979 | 45° | 8° | 26° | — | — |
| 1978 | 52° | 11° | 31° | — | — |
| 1977 | 63° | 19° | 41° | — | — |
| 1976 | 55° | 11° | 33° | — | — |
| 1975 | 27° | 13° | 20° | 0.16" | 1.6" |
| 1974 | 40° | 6° | 23° | — | — |
| 1973 | 51° | 25° | 38° | — | — |
| 1972coldest | 29° | -14° | 7° | — | — |
| 1971 | 28° | -7° | 11° | — | — |
Flagstaff, AZ Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Flagstaff, AZ Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Flagstaff, AZ Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Flagstaff, AZ
Most pleasant months in Flagstaff, AZ: May, June, July, August, September.