Lumberton climate

Lumberton Frost Dates and Growing Season

NOAA 1991-2020 normals for Poplarville Exp Stn, 19.9 km from Lumberton, elevation 313 ft

Frost and the growing season

NOAA's 1991-2020 freeze probabilities for Poplarville Exp Stn. A median date has an even chance of a later freeze in spring, or an earlier one in fall.

The last spring freeze typically comes around March 10 and the first fall freeze around November 21, a growing season of about 257 days.

Median at 36°F
last March 25, first November 8
Median at 32°F
last March 10, first November 21
Median at 28°F
last February 24, first December 3

Last freeze in spring

The chance of a later freeze than the date shown. At 10 percent, one spring in ten still freezes after the date; planting after the 10 percent date for 32°F is the cautious choice.

Threshold10%20%30%40%50%60%70%80%90%
36°FApr 17Apr 8Apr 4Mar 30Mar 25Mar 21Mar 16Mar 11Mar 2
32°FApr 1Mar 23Mar 18Mar 14Mar 10Mar 5Mar 1Feb 24Feb 16
28°FMar 16Mar 10Mar 4Feb 28Feb 24Feb 18Feb 11Feb 2Jan 27
24°FMar 6Feb 26Feb 19Feb 11Feb 2Jan 30Jan 25Jan 15Jan 4
20°FFeb 25Feb 11Jan 31Jan 28Jan 23Jan 17Jan 11Jan 4Dec 26
16°FFeb 7Jan 31Jan 28Jan 24Jan 19Jan 13Jan 9Jan 5Jan 1

First freeze in fall

The chance of an earlier freeze than the date shown. At 10 percent, one fall in ten freezes before the date.

Threshold10%20%30%40%50%60%70%80%90%
36°FOct 25Oct 30Nov 2Nov 5Nov 8Nov 11Nov 15Nov 19Nov 26
32°FNov 2Nov 7Nov 12Nov 17Nov 21Nov 25Dec 1Dec 4Dec 12
28°FNov 10Nov 18Nov 25Nov 30Dec 3Dec 7Dec 14Dec 23Jan 3
24°FNov 26Dec 4Dec 11Dec 19Dec 26Jan 1Jan 4Jan 10Jan 20
20°FDec 11Dec 21Dec 30Jan 2Jan 7Jan 11Jan 16Jan 23Feb 3
16°FDec 28Jan 2Jan 6Jan 9Jan 12Jan 18Jan 22Jan 27Feb 2

Growing season length

Days between the last spring and first fall freeze at each threshold, with the chance of a season at least that long.

Threshold10%20%30%40%50%60%70%80%90%
36°F257248241235230226220213205
32°F287276268263257250244236227
28°F320307299292285279272263253
24°F362344335328320312304296283
20°F365365365362353344337328311
16°F365365365365365365365355342

How often it gets that cold

The share of years with at least one night at or below each temperature.

36°F or colder
100% of years
32°F or colder
100% of years
28°F or colder
100% of years
24°F or colder
93% of years
20°F or colder
65% of years
16°F or colder
30% of years

Degree days

A degree day is one degree of the daily mean temperature beyond a base, for one day. Heating degree days count cold (the fuel a house burns), cooling degree days heat, growing degree days the warmth a crop needs; each crop has its own base.

Heating degree days, base 65°F
1,931
Cooling degree days, base 65°F
2,321
Growing degree days, base 40°F
9,581
Growing degree days, base 45°F
7,867
Growing degree days, base 50°F
6,256
Growing degree days, base 55°F
4,779
Growing degree days, base 60°F
3,460

Growing degree days by month, base 50°F

Heating and cooling by month

MonthHeating DDCooling DDGrowing DD 50
January5025112
February3558146
March21532307
April8093466
May10262718
June0421871
July0488953
August0487952
September2351799
October65139542
November25824252
December4459139

What this means

NOAA computes these from the daily lows at the station over 1991-2020, fitting the dates of each year's last and first freeze to a distribution, so a date can be stated at any level of risk. 36°F is a frost risk for tender plants on a clear, calm night, since the ground cools below the air above it; 32°F is a freeze; 28°F is a hard freeze that kills most annuals.

The station is 19.9 km from Lumberton. Low ground, valleys and open fields freeze earlier and later than a town center or a hillside.

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Sources

NOAA NCEI U.S. Climate Normals, 1991-2020, annual and seasonal normals for station USC00227128 (Poplarville Exp Stn). Public domain.