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St. Petersburg, FL Weather on April 20
April 20th in St. Petersburg, FL typically brings warm spring weather, with average highs around 82°F and lows near 67°F. Over 55 years of records, the warmest April 20th was in 2011 (80°F average), while the coldest was 1983 (63°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 18% of April 20th dates historically, with the wettest April 20th recording 1.17" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
What to Expect on April 20
Planning for April 20th in St. Petersburg, FL? Stay hydrated and seek shade during peak afternoon hours.
April 20 Weather Records for St. Petersburg
- •The all-time record high for April 20th in St. Petersburg, FL is 89°F, set in 2025.
- •The coldest April 20th on record dropped to 55°F in 1983.
Frequently Asked Questions
What was the warmest April 20 ever in St. Petersburg?
The warmest April 20 in St. Petersburg, FL reached 89°F in 2025. That is 7°F above the long-term average high of 82°F.
What was the coldest April 20 ever in St. Petersburg?
The coldest April 20 in St. Petersburg, FL dropped to 55°F in 1983. That is 12°F below the long-term average low of 67°F.
What is the average temperature on April 20 in St. Petersburg?
On April 20, St. Petersburg averages a high of 82°F and a low of 67°F based on 55 years of NOAA weather observations from ST PETERSBURG.
How many years of weather data are available for April 20 in St. Petersburg?
We have 55 years of weather records for April 20 in St. Petersburg, FL, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 20 Weather History in St. Petersburg
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 89°F | 70°F | 0" | -- |
| 2024 | 84°F | 73°F | 0" | -- |
| 2023 | 85°F | 71°F | 0" | -- |
| 2022 | 80°F | 65°F | 0" | -- |
| 2021 | 78°F | 71°F | 0.03" | -- |
| 2020 | 80°F | 73°F | 0.05" | -- |
| 2019 | 71°F | 63°F | 0" | -- |
| 2018 | 82°F | 69°F | 0" | -- |
| 2017 | 84°F | 71°F | 0" | -- |
| 2016 | 81°F | 67°F | 0" | -- |
| 2015 | 84°F | 71°F | 0.61" | -- |
| 2014 | 73°F | 64°F | 0" | -- |
| 2013 | 76°F | 61°F | 0.13" | -- |
| 2012 | 84°F | 68°F | 0" | -- |
| 2011 | 88°F | 72°F | 0" | -- |
| 2010 | 81°F | 65°F | 0" | -- |
| 2009 | 79°F | 70°F | 0.03" | -- |
| 2008 | 83°F | 67°F | 0" | -- |
| 2007 | 81°F | 64°F | 0" | -- |
| 2006 | 87°F | 71°F | 0" | -- |
| 2005 | 79°F | 66°F | 0" | -- |
| 2004 | 80°F | 66°F | 0" | -- |
| 2003 | 83°F | 70°F | 0" | -- |
| 2002 | 85°F | 71°F | 0" | -- |
| 2001 | 79°F | 64°F | 0" | -- |
| 2000 | 84°F | 67°F | 0" | -- |
| 1999 | 77°F | 61°F | 0" | -- |
| 1998 | 78°F | 68°F | 0.18" | -- |
| 1997 | 75°F | 63°F | 0" | -- |
| 1996 | 83°F | 67°F | 0" | -- |
| 1995 | 85°F | 71°F | 0" | -- |
| 1994 | 86°F | 67°F | 1.17" | -- |
| 1993 | 80°F | 64°F | 0" | -- |
| 1992 | 85°F | 65°F | 0.13" | -- |
| 1991 | 83°F | 66°F | 0.3" | -- |
| 1990 | 79°F | 68°F | 0" | -- |
| 1989 | 83°F | 70°F | 0" | -- |
| 1988 | 83°F | 64°F | 0" | -- |
| 1987 | 84°F | 62°F | 0" | -- |
| 1986 | 80°F | 63°F | 0" | -- |
| 1985 | 82°F | 67°F | 0" | -- |
| 1984 | 82°F | 66°F | 0" | -- |
| 1983 | 71°F | 55°F | 0" | -- |
| 1982 | 85°F | 71°F | 0" | -- |
| 1981 | 83°F | 68°F | 0" | -- |
| 1980 | 80°F | 62°F | 0" | -- |
| 1979 | 85°F | 69°F | 0" | -- |
| 1978 | 82°F | 69°F | 0.03" | -- |
| 1977 | 86°F | 66°F | 0" | -- |
| 1976 | 86°F | 67°F | 0" | -- |
| 1975 | 84°F | 66°F | 0" | -- |
| 1974 | 85°F | 64°F | 0" | -- |
| 1973 | 84°F | 66°F | 0" | -- |
| 1972 | 87°F | 71°F | 0" | -- |
| 1971 | 86°F | 66°F | 0" | -- |
Based on 55 years of data from NOAA station: ST PETERSBURG
Monthly Climate Averages
Historical temperature and precipitation averages for St. Petersburg, FL, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.