Frost Dates for 35653 — Russellville, Alabama

Half of springs at Russellville #2, AL see their last 32°F night by March 31; only one in ten is past it by March 13, and one in ten still has one after April 16. Planting tender crops after April 6 leaves a 30% risk of a frost on them, after April 9 20%, and after April 16 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 80% of the 115 Alabama stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 4 in half of years, as early as October 21 one year in ten, and holds off past November 24 one year in ten. A hard freeze of 28°F follows 12 days later, around November 16; in spring the one-in-ten date for 28°F is April 3, 13 days before the 32°F one. The freeze-free season lasts 221 days in a typical year, shorter than at 70% of the 115 Alabama stations; it reaches 246 days one year in ten and falls short of 197 one year in ten. On average 71 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 11 days longer, to about April 11, and return around October 26. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 83%.

July is the warmest month at Russellville #2, AL, averaging 91°F by day and 70°F at night; January is the coldest at 51°F and 32°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 48% of years.

Warmth for growing adds up to 5,173 growing degree days a year (base 50°F), fewer than at 67% of the 115 Alabama stations. 39% of them (2,012) have built up by the end of June, and July adds the most, 941. Precipitation totals 56.7 inches a year, most in March (5.4") and least in June (3.8"); May to September bring 40% of it.

The nearest other station, Russellville 4 SSE, AL, 6 miles southeast of Russellville, has a last frost 5 days later (April 5), a first frost 7 days earlier (October 28), a season 16 days shorter.

Measurable snow is rare here: only 6 of 21 winters from 1991 to 2020 recorded 0.1 inch or more at Russellville #2, AL, 2.9 miles away, so there is no typical first-snow date to plan around.

ZIP 35653 is 3 miles from Russellville #2, AL, which stands at 830 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 35653 in zone 7b, the band where the coldest night of the year averaged 5 to 10°F (-15.0 to -12.2°C) over 1991–2020; a zone describes winter lows, not frost dates.