Weather on January 15
Flagstaff, AZ
55 Years of Data
About This Date
January 15th in Flagstaff, AZ typically brings chilly winter weather, with average highs around 44°F and lows near 17°F — a 27°F daily swing. Over 56 years of records, the warmest January 15th was in 2026 (43°F average), while the coldest was 2013 (9°F) — a 34°F range across recorded history. Precipitation has occurred on 25% of recorded January 15th dates, with snow falling 20% of the time (heaviest snowfall: 14.8"). The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for January 15th in Flagstaff, AZ? Bring layers as temperatures can vary throughout the day. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 60° | 26° | 43° | — | — |
| 2025 | 39° | 20° | 30° | — | — |
| 2024 | 48° | 23° | 36° | — | — |
| 2023 | 33° | 29° | 31° | 1.07" | 14.8" |
| 2022 | 44° | 18° | 31° | — | — |
| 2021 | 59° | 20° | 40° | — | — |
| 2020 | 45° | 15° | 30° | — | — |
| 2019 | 37° | 30° | 34° | 0.97" | 4.8" |
| 2018 | 57° | 23° | 40° | — | — |
| 2017 | 38° | 30° | 34° | — | — |
| 2016 | 31° | 8° | 20° | 0.21" | 3" |
| 2015 | 44° | 22° | 33° | — | — |
| 2014 | 59° | 19° | 39° | — | — |
| 2013coldest | 27° | -9° | 9° | — | — |
| 2012 | 43° | 26° | 34° | 0.02" | — |
| 2011 | 49° | 22° | 35° | — | — |
| 2010 | 45° | 20° | 32° | — | — |
| 2009 | 51° | 13° | 32° | — | — |
| 2008 | 45° | 4° | 24° | — | — |
| 2007 | 19° | 5° | 12° | — | — |
| 2006 | 38° | 20° | 29° | 0.01" | 0.1" |
| 2005 | 54° | 12° | 33° | — | — |
| 2004 | 40° | 23° | 31° | — | — |
| 2003 | 50° | 23° | 37° | — | — |
| 2002 | 43° | 26° | 34° | — | — |
| 2001 | 27° | 4° | 15° | 0.19" | — |
| 2000 | 60° | 23° | 42° | — | — |
| 1999 | 56° | 14° | 35° | — | — |
| 1998 | 43° | 11° | 27° | — | — |
| 1997 | 38° | -7° | 15° | — | — |
| 1996 | 53° | 18° | 35° | — | — |
| 1995 | 39° | 27° | 33° | 0.03" | 0.3" |
| 1994 | 53° | 24° | 39° | — | — |
| 1993 | 40° | 30° | 35° | — | — |
| 1992 | 32° | 3° | 18° | — | — |
| 1991 | 48° | 23° | 36° | 0.02" | 0.3" |
| 1990 | 39° | 21° | 30° | 0.23" | 4.3" |
| 1989 | 35° | 0° | 18° | — | — |
| 1988 | 44° | 17° | 31° | — | — |
| 1987 | 30° | 12° | 21° | 0.39" | 7.5" |
| 1986 | 43° | 31° | 37° | 0.2" | — |
| 1985 | 48° | 8° | 28° | — | — |
| 1984 | 42° | 15° | 29° | — | — |
| 1983 | 52° | 16° | 34° | — | — |
| 1982 | 48° | 13° | 30° | — | — |
| 1981 | 48° | 27° | 37° | — | — |
| 1980 | 37° | 27° | 32° | 0.06" | 0.6" |
| 1979 | 36° | 27° | 31° | 0.22" | 2.5" |
| 1978 | 37° | 32° | 35° | 0.92" | 8.9" |
| 1977 | 47° | -2° | 22° | — | — |
| 1976 | 52° | 14° | 33° | — | — |
| 1975 | 62° | 9° | 35° | — | — |
| 1974 | 55° | 12° | 34° | — | — |
| 1973 | 51° | 11° | 31° | — | — |
| 1972 | 43° | 14° | 28° | — | — |
| 1971 | 54° | 9° | 31° | — | — |
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.