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Huntsville, AL Weather on April 20
April 20th in Huntsville, AL typically brings pleasant spring weather, with average highs around 75°F and lows near 49°F — a 26°F daily swing. Over 26 years of records, the warmest April 20th was in 2011 (75°F average), while the coldest was 2013 (48°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 19% of April 20th dates historically, with the wettest April 20th recording 3.2" of rain.
What to Expect on April 20
Planning for April 20th in Huntsville, AL? Great weather for outdoor activities.
April 20 Weather Records for Huntsville
- •The all-time record high for April 20th in Huntsville, AL is 88°F, set in 1971.
- •The coldest April 20th on record dropped to 33°F in 2013.
- •Last year (1971), April 20th was 13°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest April 20 ever in Huntsville?
The warmest April 20 in Huntsville, AL reached 88°F in 1971. That is 13°F above the long-term average high of 75°F.
What was the coldest April 20 ever in Huntsville?
The coldest April 20 in Huntsville, AL dropped to 33°F in 2013. That is 16°F below the long-term average low of 49°F.
What is the average temperature on April 20 in Huntsville?
On April 20, Huntsville averages a high of 75°F and a low of 49°F based on 26 years of NOAA weather observations from REDSTONE ARSENAL.
How many years of weather data are available for April 20 in Huntsville?
We have 26 years of weather records for April 20 in Huntsville, AL, 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 Huntsville
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 62°F | 0" | -- |
| 2024 | 76°F | 55°F | -- | -- |
| 2023 | 82°F | 49°F | 0" | -- |
| 2022 | 60°F | 39°F | 0" | -- |
| 2021 | 66°F | 41°F | 0" | -- |
| 2020 | 63°F | 46°F | 3.2" | -- |
| 2019 | 60°F | 41°F | 1.4" | -- |
| 2018 | 71°F | 36°F | 0" | -- |
| 2017 | 85°F | 60°F | 0" | -- |
| 2016 | 84°F | 55°F | 0" | -- |
| 2015 | 68°F | 55°F | 0" | -- |
| 2014 | 78°F | 43°F | 0" | -- |
| 2013 | 63°F | 33°F | 0" | -- |
| 2012 | 74°F | 52°F | 0" | -- |
| 2011 | 84°F | 67°F | 0.81" | -- |
| 2010 | 72°F | 40°F | 0" | -- |
| 2009 | 70°F | 56°F | 1.75" | -- |
| 2008 | 70°F | 47°F | 0" | -- |
| 2007 | 71°F | 38°F | 0" | -- |
| 2006 | 82°F | 61°F | 0.58" | -- |
| 2005 | 79°F | 45°F | 0" | -- |
| 1975 | 72°F | 40°F | 0" | -- |
| 1974 | 82°F | 48°F | 0" | -- |
| 1973 | 82°F | 59°F | 0" | -- |
| 1972 | 85°F | 57°F | 0" | -- |
| 1971 | 88°F | 52°F | 0" | -- |
Based on 26 years of data from NOAA station: REDSTONE ARSENAL
Monthly Climate Averages
Historical temperature and precipitation averages for Huntsville, AL, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.