Weather on January 18
Flagstaff, AZ
55 Years of Data
About This Date
January 18th in Flagstaff, AZ typically brings chilly winter weather, with average highs around 45°F and lows near 16°F — a 29°F daily swing. Over 56 years of records, the warmest January 18th was in 1971 (47°F average), while the coldest was 2007 (13°F) — a 34°F range across recorded history. Precipitation has occurred on 13% of recorded January 18th dates, with snow falling 13% of the time (heaviest snowfall: 13.2"). The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for January 18th in Flagstaff, AZ? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 62° | 18° | 40° | — | — |
| 2025 | 43° | 13° | 28° | — | — |
| 2024 | 52° | 23° | 38° | — | — |
| 2023 | 39° | 7° | 23° | 0.05" | 1.2" |
| 2022 | 37° | 24° | 31° | — | — |
| 2021 | 50° | 19° | 35° | — | — |
| 2020 | 41° | 10° | 26° | — | — |
| 2019 | 42° | 21° | 32° | — | — |
| 2018 | 58° | 19° | 39° | — | — |
| 2017 | 44° | 19° | 32° | — | — |
| 2016 | 43° | 15° | 29° | — | — |
| 2015 | 61° | 26° | 44° | — | — |
| 2014 | 53° | 15° | 34° | — | — |
| 2013 | 41° | 5° | 23° | — | — |
| 2012 | 45° | 18° | 31° | — | — |
| 2011 | 56° | 21° | 38° | — | — |
| 2010 | 34° | 24° | 29° | 0.24" | 5.3" |
| 2009 | 45° | 20° | 32° | — | — |
| 2008 | 32° | -3° | 15° | — | — |
| 2007coldest | 32° | -6° | 13° | — | — |
| 2006 | 47° | 18° | 32° | — | — |
| 2005 | 51° | 20° | 35° | — | — |
| 2004 | 47° | 16° | 31° | — | — |
| 2003 | 57° | 21° | 39° | — | — |
| 2002 | 39° | 13° | 26° | — | — |
| 2001 | 32° | 4° | 18° | — | — |
| 2000 | 61° | 27° | 44° | — | — |
| 1999 | 54° | 24° | 39° | — | — |
| 1998 | 52° | 21° | 36° | — | — |
| 1997 | 40° | -2° | 19° | — | — |
| 1996 | 40° | 5° | 22° | — | — |
| 1995 | 36° | -8° | 14° | — | — |
| 1994 | 54° | 18° | 36° | — | — |
| 1993 | 37° | 30° | 34° | 1.24" | 9.9" |
| 1992 | 37° | 15° | 26° | — | — |
| 1991 | 43° | 23° | 33° | — | — |
| 1990 | 33° | 11° | 22° | 0.09" | 1.3" |
| 1989 | 44° | 18° | 31° | — | — |
| 1988 | 31° | 14° | 22° | 0.47" | 8.9" |
| 1987 | 39° | 5° | 22° | — | — |
| 1986 | 54° | 32° | 43° | — | — |
| 1985 | 61° | 17° | 39° | — | — |
| 1984 | 41° | -3° | 19° | — | — |
| 1983 | 43° | 24° | 33° | — | — |
| 1982 | 41° | 18° | 29° | — | — |
| 1981 | 49° | 24° | 36° | — | — |
| 1980 | 34° | 24° | 29° | 1.23" | 13.2" |
| 1979 | 33° | 22° | 27° | 0.79" | 7.3" |
| 1978 | 45° | 12° | 28° | — | — |
| 1977 | 46° | 25° | 35° | — | — |
| 1976 | 52° | 24° | 38° | — | — |
| 1975 | 53° | 16° | 34° | — | — |
| 1974 | 44° | 19° | 32° | — | — |
| 1973 | 40° | 17° | 28° | — | — |
| 1972 | 48° | 16° | 32° | — | — |
| 1971warmest | 64° | 30° | 47° | — | — |
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.