Frost Dates for 71202 — Monroe, Louisiana

Half of springs at Monroe Delta Cc, LA see their last 32°F night by March 9; only one in ten is past it by February 21, and one in ten still has one after March 28. Planting tender crops after March 16 leaves a 30% risk of a frost on them, after March 22 20%, and after March 28 10%. The 19 days between the even-odds date and the one-in-ten date is narrower than at 78% of the 88 Louisiana stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 14 in half of years, as early as October 31 one year in ten, and holds off past December 1 one year in ten. A hard freeze of 28°F follows 12 days later, around November 26; in spring the one-in-ten date for 28°F is March 15, 13 days before the 32°F one. The freeze-free season lasts 248 days in a typical year, shorter than at 80% of the 88 Louisiana stations; it reaches 274 days one year in ten and falls short of 225 one year in ten. On average 44 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 17 days longer, to about March 26, and return around November 2. Nights of 24°F, cold enough to damage hardier plants, come in 97% of winters and 16°F in 37%.

July is the warmest month at Monroe Delta Cc, LA, averaging 94°F by day and 72°F at night; January is the coldest at 58°F and 35°F. A freezing night is all but certain in every month from December to February (a 90% chance or more). From April to September the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 73% of years.

Warmth for growing adds up to 6,150 growing degree days a year (base 50°F), fewer than at 78% of the 88 Louisiana stations. 41% of them (2,511) have built up by the end of June, and July adds the most, 1,024. Precipitation totals 56.6 inches a year, most in April (6.4") and least in September (3.6"); May to September bring 35% of it.

The nearest other station, Monroe Regional Airport, LA, 5 miles northeast of Monroe, has a last frost 1 day earlier (March 8), a first frost 1 day later (November 15), a season 5 days longer.

Measurable snow is rare here: only 11 of 27 winters from 1991 to 2020 recorded 0.1 inch or more at Monroe Delta Cc, LA, 4.2 miles away, so there is no typical first-snow date to plan around.

ZIP 71202 is 4 miles from Monroe Delta Cc, LA, which stands at 70 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 71202 in zone 8b, the band where the coldest night of the year averaged 15 to 20°F (-9.4 to -6.7°C) over 1991–2020; a zone describes winter lows, not frost dates.