Weather on December 18
Tucson, AZ
55 Years of Data
About This Date
December 18th in Tucson, AZ typically brings mild winter weather, with average highs around 68°F and lows near 42°F — a 26°F daily swing. Over 55 years of records, the warmest December 18th was in 1979 (66°F average), while the coldest was 1990 (42°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 16% of December 18th dates historically, with the wettest December 18th recording 2.92" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 18th in Tucson, AZ? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 46° | 60° | — | — |
| 2024 | 82° | 43° | 62° | — | — |
| 2023 | 80° | 45° | 62° | — | — |
| 2022 | 64° | 42° | 53° | — | — |
| 2021 | 62° | 30° | 46° | — | — |
| 2020 | 65° | 39° | 52° | — | — |
| 2019 | 63° | 44° | 53° | — | — |
| 2018 | 65° | 42° | 53° | — | — |
| 2017 | 60° | 44° | 52° | — | — |
| 2016 | 60° | 28° | 44° | — | — |
| 2015 | 71° | 33° | 52° | — | — |
| 2014 | 58° | 43° | 50° | 0.03" | — |
| 2013 | 79° | 50° | 64° | — | — |
| 2012 | 68° | 35° | 52° | — | — |
| 2011 | 58° | 42° | 50° | 0.13" | — |
| 2010 | 68° | 44° | 56° | — | — |
| 2009 | 70° | 33° | 51° | — | — |
| 2008 | 66° | 47° | 56° | 0.15" | — |
| 2007 | 69° | 38° | 53° | — | — |
| 2006 | 58° | 44° | 51° | — | — |
| 2005 | 66° | 37° | 52° | — | — |
| 2004 | 68° | 39° | 54° | — | — |
| 2003 | 78° | 37° | 58° | — | — |
| 2002 | 53° | 41° | 47° | 0.13" | — |
| 2001 | 63° | 34° | 48° | — | — |
| 2000 | 62° | 37° | 50° | — | — |
| 1999 | 72° | 37° | 54° | — | — |
| 1998 | 67° | 47° | 57° | — | — |
| 1997 | 75° | 40° | 57° | — | — |
| 1996 | 83° | 31° | 57° | — | — |
| 1995 | 61° | 37° | 49° | — | — |
| 1994 | 78° | 47° | 62° | — | — |
| 1993 | 71° | 43° | 57° | — | — |
| 1992 | 62° | 42° | 52° | 0.08" | — |
| 1991 | 59° | 50° | 55° | 1.5" | — |
| 1990coldest | 54° | 31° | 42° | — | — |
| 1989 | 64° | 39° | 52° | — | — |
| 1988 | 70° | 52° | 61° | — | — |
| 1987 | 61° | 50° | 55° | 0.13" | — |
| 1986 | 65° | 45° | 55° | 0.1" | — |
| 1985 | 71° | 37° | 54° | — | — |
| 1984 | 65° | 43° | 54° | — | — |
| 1983 | 66° | 43° | 54° | — | — |
| 1982 | 73° | 43° | 58° | — | — |
| 1981 | 75° | 42° | 59° | — | — |
| 1980 | 79° | 51° | 65° | — | — |
| 1979warmest | 81° | 51° | 66° | — | — |
| 1978 | 62° | 56° | 59° | 2.92" | — |
| 1977 | 76° | 45° | 60° | — | — |
| 1976 | 72° | 45° | 58° | — | — |
| 1975 | 74° | 39° | 56° | — | — |
| 1974 | 66° | 41° | 54° | — | — |
| 1973 | 68° | 42° | 55° | — | — |
| 1972 | 77° | 46° | 62° | — | — |
| 1971 | 57° | 45° | 51° | — | — |
Tucson, AZ Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Tucson, AZ Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Tucson, 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 Tucson, AZ
Tucson, AZ has no months that meet our "pleasant" threshold — every season has tradeoffs.