Frost dates / Arkansas / Rogers

Frost dates in Rogers, AR

The station on this page is BENTONVILLE 4 S, AR US (USC00030586), 3.5 miles from the city point. Population in the Census 2024 estimate is 75,639.

Zone 7aUSDA average annual extreme minimum 0°F to 5°F, from ZIP 72758 (1.4 miles from the city point used on this page).

Median last 32°F is April 12. Median first 32°F is October 26. The 50% growing-season length is 195 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

Probability	Date	How to read it
90%	March 27	Earlier date. A last 32°F on or after this day is common.
50%	April 12	Median.
10%	April 29	Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

Probability	Date	How to read it
10%	October 13	Earlier date. A first 32°F on or before this day is uncommon.
50%	October 26	Median.
90%	November 9	Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this long	Days
10%	220
50%	195
90%	173

28°F threshold

	10%	50%	90%
Last, on or after	April 18	March 31	March 12
First, on or before	October 20	November 4	November 22
Season at least	243 days	217 days	195 days

36°F threshold

	10%	50%	90%
Last, on or after	May 8	April 24	April 9
First, on or before	October 3	October 17	October 29
Season at least	194 days	175 days	157 days

Station BENTONVILLE 4 S, AR US (USC00030586). Completeness flag R, 15 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 371.9 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

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Rogers, AR

Zone 7aAverage annual extreme minimum 0°F to 5°F

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Arkansas. Nearest qualified station: BENTONVILLE 4 S, AR US (USC00030586), 3.5 miles. Median last 32°F April 12. Median first 32°F October 26. The 50% growing-season length is 195 days.

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32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	April 29	April 12	March 27
First 32°F on or before	October 13	October 26	November 9

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

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Planting calendar

Frost dates for Arkansas are above. Planting windows appear for states with a cited extension guide. The fall and seed tools use the numbers you enter and the station dates.

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