Weather on March 21
Huntsville, AL
55 Years of Data
About This Date
March 21st in Huntsville, AL typically brings mild spring weather, with average highs around 66°F and lows near 39°F — a 27°F daily swing. Over 27 years of records, the warmest March 21st was in 2012 (69°F average), while the coldest was 2025 (36°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 22% of March 21st dates historically, with the wettest March 21st recording 2.29" of rain.
Planning for March 21st in Huntsville, AL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 79° | 48° | 63° | — | — |
| 2025coldest | 45° | 27° | 36° | — | — |
| 2024 | 73° | 47° | 60° | — | — |
| 2023 | 52° | 22° | 37° | — | — |
| 2022 | 69° | 34° | 51° | — | — |
| 2021 | 61° | 33° | 47° | — | — |
| 2020 | 72° | 49° | 60° | 2.29" | — |
| 2019 | 64° | 28° | 46° | 0.03" | — |
| 2018 | 53° | 33° | 43° | — | — |
| 2017 | 84° | 54° | 69° | — | — |
| 2016 | 56° | 33° | 44° | — | — |
| 2015 | 60° | 48° | 54° | — | — |
| 2014 | 69° | 31° | 50° | — | — |
| 2013 | 57° | 27° | 42° | — | — |
| 2012warmest | 83° | 56° | 69° | — | — |
| 2011 | 79° | 53° | 66° | — | — |
| 2010 | 70° | 47° | 58° | 0.23" | — |
| 2009 | 63° | 31° | 47° | — | — |
| 2008 | 62° | 33° | 48° | — | — |
| 2007 | 77° | 45° | 61° | — | — |
| 2006 | 63° | 33° | 48° | — | — |
| 2005 | 66° | 47° | 56° | — | — |
| 1975 | 77° | 41° | 59° | — | — |
| 1974 | 72° | 42° | 57° | 1.45" | — |
| 1973 | 63° | 39° | 51° | 0.18" | — |
| 1972 | 69° | 41° | 55° | 1.98" | — |
| 1971 | 57° | 25° | 41° | — | — |
Huntsville, AL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Huntsville, AL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Huntsville, AL 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 Huntsville, AL
Huntsville, AL has no months that meet our "pleasant" threshold — every season has tradeoffs.