Ashburn, GA frost dates

From NOAA weather station Ashburn 3 ENE (USC00090406), elevation 435 ft. The station is named for Ashburn, and its coordinates are 1.8 miles from the Census Bureau’s internal point for Ashburn city.

Summary

In the 1991–2020 record, the median last spring freeze (32°F) at Ashburn 3 ENE is Mar 11 and the median first fall freeze is Nov 20, for a typical freeze-free season of 256 days. In about 1 year in 10 the last spring freeze comes after Mar 29, and in about 1 year in 10 the first fall freeze arrives by Nov 1. The station averages 36 nights per year with a low of 32°F or colder.

Compared with the median of 126 Georgia stations in this dataset, the median last freeze here is 10 days earlier than the state median (Mar 21), the median first freeze is 8 days later than the state median (Nov 12), and the growing season ranks #27 of 126 by length (longest = #1). The spread between the 90% and 10% spring dates is 38 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 4Mar 23Apr 9Oct 23Nov 7Nov 25207 / 229 / 257
32°F (freeze)Feb 19Mar 11Mar 29Nov 1Nov 20Dec 12228 / 256 / 284
28°F (hard freeze)Jan 28Feb 26Mar 17Nov 12Dec 6Jan 4256 / 287 / 321

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 Ashburn

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 Ashburn 3 ENE: Ashburn (2 mi), Sycamore (2 mi), Arabi (10 mi), Rebecca (11 mi), Sumner (15 mi).

Nearby stations

About this station’s data

Raw values from the NOAA file (32°F)
FieldValue
ANN-TMIN-PRBLST-T32FP1003/29
ANN-TMIN-PRBLST-T32FP5003/11
ANN-TMIN-PRBLST-T32FP9002/19
ANN-TMIN-PRBFST-T32FP1011/01
ANN-TMIN-PRBFST-T32FP5011/20
ANN-TMIN-PRBFST-T32FP9012/12
ANN-TMIN-PRBGSL-T32FP10284.0
ANN-TMIN-PRBGSL-T32FP50256.0
ANN-TMIN-PRBGSL-T32FP90228.0