Skip to content

USDA Hardiness Zone 8a

Frost Dates for 76849 — Junction, Texas

NOAA 1991–2020 normals from Junction Kimble Co Airport, TX (1,749 ft), 2 miles north.

Updated

In Junction, the last spring frost (32°F) is around March 25 in half of years and has passed by April 17 in nine years out of ten. The first fall frost comes around November 7, as early as October 26 one year in ten, leaving a typical freeze-free season of 229 days (NOAA, Junction Kimble Co Airport, TX).

Last spring frost
March 25

50% probability

First fall frost
November 7

50% probability

Growing season
229 days

freeze-free, 50%

Hardiness zone
8a

10 to 15°F (-12.2 to -9.4°C) coldest night

First snow
Rare

median, 1991–2020

Last snow
Rare

median, 1991–2020

Winters with snow
18%

5 of 28 observed

Snow per year
0.4"

NOAA normal

Frost risk by date in Junction

Half of springs at Junction Kimble Co Airport, TX see their last 32°F night by March 25; only one in ten is past it by March 3, and one in ten still has one after April 17. Planting tender crops after April 3 leaves a 30% risk of a frost on them, after April 8 20%, and after April 17 10%. The 23 days between the even-odds date and the one-in-ten date is wider than at 72% of the 339 Texas stations behind this site's ZIP pages, so a fixed calendar date is a gamble here.

In fall the first 32°F night comes by November 7 in half of years, as early as October 26 one year in ten, and holds off past November 25 one year in ten. A hard freeze of 28°F follows 12 days later, around November 19; in spring the one-in-ten date for 28°F is April 2, 15 days before the 32°F one. The freeze-free season lasts 229 days in a typical year, shorter than at 77% of the 339 Texas stations; it reaches 257 days one year in ten and falls short of 203 one year in ten. On average 52 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 13 days longer, to about April 7, and return around October 31. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 62%.

Spring: the chance of another night this cold after the date
Low90%80%70%60%50%40%30%20%10%
36°FMar 18Mar 26Mar 31Apr 4Apr 7Apr 12Apr 16Apr 20Apr 26
32°FMar 3Mar 9Mar 15Mar 20Mar 25Mar 30Apr 3Apr 8Apr 17
28°FFeb 17Feb 25Mar 2Mar 6Mar 9Mar 13Mar 19Mar 26Apr 2
24°FJan 27Feb 4Feb 13Feb 20Feb 26Mar 2Mar 6Mar 10Mar 16
20°F94% of yrsDec 28Jan 12Jan 21Jan 29Feb 4Feb 12Feb 22Mar 1Mar 7
16°F62% of yrsDec 13Dec 25Jan 1Jan 10Jan 19Jan 27Feb 3Feb 13Mar 1
Fall: the chance the first night this cold has come by the date
Low10%20%30%40%50%60%70%80%90%
36°FOct 17Oct 22Oct 25Oct 28Oct 31Nov 2Nov 4Nov 7Nov 13
32°FOct 26Oct 31Nov 2Nov 5Nov 7Nov 11Nov 14Nov 19Nov 25
28°FNov 3Nov 7Nov 11Nov 15Nov 19Nov 23Nov 27Dec 1Dec 7
24°FNov 12Nov 19Nov 24Nov 27Dec 1Dec 4Dec 8Dec 14Dec 25
20°F94% of yrsNov 24Nov 30Dec 5Dec 10Dec 16Dec 23Dec 29Jan 4Jan 19
16°F62% of yrsDec 3Dec 10Dec 19Dec 25Dec 29Jan 4Jan 11Jan 25Feb 7

Freeze probabilities 1991–2020 at Junction Kimble Co Airport, TX, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.

Frost risk on any date in 76849 →Compare Junction with another place →

Weather by month in Junction

July is the warmest month at Junction Kimble Co Airport, TX, averaging 95°F by day and 72°F at night; January is the coldest at 62°F and 34°F. A freezing night is all but certain in every month from November to February (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 88% of years and April still brings one in 36% of years.

Warmth for growing adds up to 6,452 growing degree days a year (base 50°F), more than at 53% of the 351 Texas stations. 42% of them (2,737) have built up by the end of June, and July adds the most, 1,037. Precipitation totals 22.4 inches a year, most in May (3.2") and least in January (0.9"); May to September bring 53% of it.

Monthly normals 1991–2020 at Junction Kimble Co Airport, TX
MonthHigh °FLow °FPrecip. in32°F nightNights ≤ 32°FGDD 50°F
Jan62340.9100%1674
Feb66381.199%10138
Mar73462.088%4313
Apr81531.836%1510
May87633.20%0769
Jun93702.80%0933
Jul95721.50%01037
Aug96712.00%01029
Sep89642.40%0798
Oct81542.222%1536
Nov70431.593%6226
Dec63341.099%1689

Monthly normals 1991–2020 at Junction Kimble Co Airport, TX (1,749 ft), NOAA NCEI. "32°F night": chance of at least one in the month. GDD: growing degree days, base 50°F.

Compared with the next station

The nearest other station, Harper 3ENE, TX, 36 miles east of Junction and 361 feet higher, has a last frost 10 days earlier (March 15), a first frost 8 days later (November 15), a season 14 days longer.

Frost dates for 78631 (Harper) →

When it snows in Junction, Texas

Measurable snow is rare here: only 5 of 28 winters from 1991 to 2020 recorded 0.1 inch or more at Junction 4SSW, TX, 2.9 miles away, so there is no typical first-snow date to plan around.

Planting calendar for 76849

What to do and when, from the 50% frost dates for Junction, Texas
WhenWhat to do
January 14 – January 28Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out.
January 28 – February 11Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early.
February 25 – March 11Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil.
March 25 onwardTransplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast.
by August 15Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops.
by October 24Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation.
November 7 onwardPlant garlic, mulch beds, lift tender bulbsGarlic wants a cold spell; bare soil loses structure over winter.

The weeks before and after the 50% dates are general rules of thumb, not NOAA figures; a seed packet gives the timing for each variety.

Where these figures come from

ZIP 76849 is 2 miles from Junction Kimble Co Airport, TX, which stands at 1,749 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 76849 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°C) over 1991–2020; a zone describes winter lows, not frost dates.

Frost dates across Texas →

Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.

Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.

Other zone 8a places in Texas