Rocky Mount, NC frost dates

From NOAA weather station Rocky Mt Wilson AP (USW00093759), elevation 160 ft. The station is named for Rocky Mount, and its coordinates are 9.2 miles from the Census Bureau’s internal point for Rocky Mount city.

Summary

In the 1991–2020 record, the median last spring freeze (32°F) at Rocky Mt Wilson AP is Apr 1 and the median first fall freeze is Nov 5, for a typical freeze-free season of 219 days. In about 1 year in 10 the last spring freeze comes after Apr 16, and in about 1 year in 10 the first fall freeze arrives by Oct 25. The station averages 69 nights per year with a low of 32°F or colder.

Compared with the median of 187 North Carolina stations in this dataset, the median last freeze here is the same day as the state median (Apr 1), the median first freeze is 1 day later than the state median (Nov 4), and the growing season ranks #89 of 187 by length (longest = #1). The spread between the 90% and 10% spring dates is 31 days, a measure of how variable spring is here.

Freeze probability table

Spring: chance the last freeze falls after the date. Fall: chance the first freeze falls on or before the date. Season: days between, exceeded in 90% / 50% / 10% of years.
ThresholdLast spring occurrenceFirst fall occurrenceSeason length (days)
90% / 50% / 10%
Early (90% chance of a later freeze)Median (50%)Cautious (10% chance of a later freeze)Early (10% chance by then)Median (50%)Late (90% chance by then)
36°F (light frost possible)Mar 30Apr 13May 1Oct 16Oct 28Nov 8176 / 197 / 217
32°F (freeze)Mar 16Apr 1Apr 16Oct 25Nov 5Nov 19200 / 219 / 240
28°F (hard freeze)Mar 1Mar 21Apr 6Nov 1Nov 16Dec 4219 / 241 / 268

Read the spring “Cautious” column as the safer planting date: only about 1 year in 10 has a freeze after it. NOAA computes these from daily minimum temperatures at the station; your yard can differ, especially in low spots or at a different elevation.

Planting calendar for Rocky Mount

Pick how much frost risk you accept. The calendar applies generic, extension-published timing rules to this station’s dates. See the rules and sources.

CropStart seeds indoorsPlant outdoors (spring)Latest fall planting (est.)Days to harvest

Fall estimates count back from the median first fall freeze (32°F for tender crops, 28°F hard freeze for cool-season crops) by the longer days-to-harvest figure. These are rough planning aids, not recommendations for any specific variety; check seed packets and your county extension office.

Towns that use this station as their nearest

Census places within 15 miles whose closest station in this dataset is Rocky Mt Wilson AP: Sharpsburg (4 mi), Elm City (4 mi), Nashville (9 mi), Dortches (11 mi), Momeyer (11 mi), Spring Hope (14 mi), Red Oak (14 mi).

Nearby stations

About this station’s data

Raw values from the NOAA file (32°F)
FieldValue
ANN-TMIN-PRBLST-T32FP1004/16
ANN-TMIN-PRBLST-T32FP5004/01
ANN-TMIN-PRBLST-T32FP9003/16
ANN-TMIN-PRBFST-T32FP1010/25
ANN-TMIN-PRBFST-T32FP5011/05
ANN-TMIN-PRBFST-T32FP9011/19
ANN-TMIN-PRBGSL-T32FP10240.0
ANN-TMIN-PRBGSL-T32FP50219.0
ANN-TMIN-PRBGSL-T32FP90200.0