Weather on December 21
Saint Petersburg, FL
55 Years of Data
About This Date
December 21st in Saint Petersburg, FL typically brings pleasant winter weather, with average highs around 70°F and lows near 57°F. Over 55 years of records, the warmest December 21st was in 1971 (75°F average), while the coldest was 1996 (49°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 24% of December 21st dates historically, with the wettest December 21st recording 0.85" of rain. The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Saint Petersburg, FL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 63° | 72° | — | — |
| 2024 | 59° | 51° | 55° | — | — |
| 2023 | 69° | 57° | 63° | — | — |
| 2022 | 67° | 60° | 63° | 0.49" | — |
| 2021 | 72° | 63° | 67° | 0.79" | — |
| 2020 | 70° | 56° | 63° | — | — |
| 2019 | 72° | 65° | 68° | 0.14" | — |
| 2018 | 67° | 57° | 62° | 0.14" | — |
| 2017 | 78° | 69° | 74° | — | — |
| 2016 | 67° | 59° | 63° | — | — |
| 2015 | 74° | 62° | 68° | — | — |
| 2014 | 75° | 64° | 70° | 0.04" | — |
| 2013 | 83° | 65° | 74° | — | — |
| 2012 | 72° | 57° | 64° | — | — |
| 2011 | 80° | 62° | 71° | — | — |
| 2010 | 65° | 51° | 58° | — | — |
| 2009 | 61° | 45° | 53° | — | — |
| 2008 | 74° | 61° | 67° | — | — |
| 2007 | 74° | 60° | 67° | 0.56" | — |
| 2006 | 77° | 66° | 72° | — | — |
| 2005 | 58° | 49° | 53° | — | — |
| 2004 | 68° | 46° | 57° | — | — |
| 2003 | 61° | 44° | 52° | — | — |
| 2002 | 62° | 53° | 58° | — | — |
| 2001 | 72° | 55° | 63° | — | — |
| 2000 | 58° | 41° | 49° | — | — |
| 1999 | 77° | 64° | 71° | — | — |
| 1998 | 79° | 66° | 72° | — | — |
| 1997 | 71° | 61° | 66° | — | — |
| 1996coldest | 57° | 41° | 49° | — | — |
| 1995 | 58° | 47° | 52° | — | — |
| 1994 | 66° | 61° | 63° | 0.85" | — |
| 1993 | 69° | 52° | 60° | 0.12" | — |
| 1992 | 77° | 63° | 70° | — | — |
| 1991 | 74° | 56° | 65° | — | — |
| 1990 | 78° | 67° | 72° | — | — |
| 1989 | 64° | 53° | 59° | — | — |
| 1988 | 78° | 60° | 69° | — | — |
| 1987 | 76° | 64° | 70° | — | — |
| 1986 | 69° | 57° | 63° | — | — |
| 1985 | 67° | 55° | 61° | — | — |
| 1984 | 79° | 63° | 71° | — | — |
| 1983 | 68° | 62° | 65° | — | — |
| 1982 | 68° | 50° | 59° | — | — |
| 1981 | 62° | 40° | 51° | — | — |
| 1980 | 68° | 51° | 60° | — | — |
| 1979 | 70° | 52° | 61° | — | — |
| 1978 | 78° | 65° | 71° | 0.02" | — |
| 1977 | 70° | 56° | 63° | 0.44" | — |
| 1976 | 72° | 46° | 59° | 0.67" | — |
| 1975 | 58° | 49° | 53° | — | — |
| 1974 | 73° | 60° | 67° | — | — |
| 1973 | 66° | 52° | 59° | 0.06" | — |
| 1972 | 75° | 60° | 68° | 0.07" | — |
| 1971warmest | 80° | 70° | 75° | — | — |
Saint Petersburg, FL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Saint Petersburg, FL Monthly Precipitation
Average rainfall per month, in inches.
Saint Petersburg, FL 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 Saint Petersburg, FL
Most pleasant months in Saint Petersburg, FL: January, February, March, April, November, December.
What to expect on December 21st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
December 21st outlook →