Frost dates / Virginia / Newport News

Frost dates in Newport News, VA

The station on this page is NEWPORT NEWS INTL AP, VA US (USW00093741), 4.2 miles from the city point. Population in the Census 2024 estimate is 183,056.

Zone 8aUSDA average annual extreme minimum 10°F to 15°F, from ZIP 23606 (0.8 miles from the city point used on this page).

Median last 32°F is April 1. Median first 32°F is November 9. The 50% growing-season length is 221 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 18	Earlier date. A last 32°F on or after this day is common.
50%	April 1	Median.
10%	April 18	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 31	Earlier date. A first 32°F on or before this day is uncommon.
50%	November 9	Median.
90%	November 25	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%	241
50%	221
90%	203

28°F threshold

	10%	50%	90%
Last, on or after	April 4	March 20	March 2
First, on or before	November 5	November 20	December 8
Season at least	270 days	244 days	222 days

36°F threshold

	10%	50%	90%
Last, on or after	May 3	April 15	March 31
First, on or before	October 20	October 31	November 11
Season at least	217 days	198 days	178 days

Station NEWPORT NEWS INTL AP, VA US (USW00093741). Completeness flag R, 12 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 12.8 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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Newport News, VA

Zone 8aAverage annual extreme minimum 10°F to 15°F

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

Virginia. Nearest qualified station: NEWPORT NEWS INTL AP, VA US (USW00093741), 4.2 miles. Median last 32°F April 1. Median first 32°F November 9. The 50% growing-season length is 221 days.

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32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	April 18	April 1	March 18
First 32°F on or before	October 31	November 9	November 25

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 Virginia 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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