Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 76877 — San Saba, TX

ZIP code 76877 (San Saba, San Saba County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 16 and the first fall frost November 13.

Where ZIP 76877 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone8b15 to 20 °F
Coldest night−9.4 to −6.7 °C
Last frostMar 16
First frostNov 13
2012 zone8a

Was 8a on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for San Saba, TX…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in San Saba, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 16median — 50% chance of a later frost
Safe for tender plantsApril 8only 10% chance of frost after
First fall frostNovember 13median — 10% chance by Oct 30
Growing season239 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 4 and returns around November 24.

From the NOAA station San Saba 7nw, TX — 9 miles away, elevation 1,329 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 76877

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 2 – Feb 16
SpinachSow outdoors · Feb 2 – Feb 23
Broccoli, cabbageStart indoors · Jan 5 – Jan 19
Broccoli, cabbageTransplant · Feb 23 – Mar 9
Onion setsPlant outdoors · Feb 16 – Mar 2
PotatoesPlant outdoors · Feb 23 – Mar 9
LettuceSow outdoors · Feb 16 – Mar 2
Carrots, beetsSow outdoors · Feb 23 – Mar 9
TomatoesStart indoors · Jan 19 – Feb 2
TomatoesTransplant · Mar 23 – Apr 6
Peppers, eggplantStart indoors · Jan 5 – Jan 19
Peppers, eggplantTransplant · Mar 30 – Apr 13
BeansSow outdoors · Mar 23 – Apr 6
Sweet cornSow outdoors · Mar 23 – Apr 6
Cucumbers, squashSow outdoors · Mar 23 – Apr 6
Fall lettuce, spinachSow outdoors · Sep 18 – Oct 2
GarlicPlant cloves · Oct 30 – Dec 4
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 16) and first fall frost (Nov 13) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 76877 came on Feb 6 — 5 days later than the 1991–2020 average (Feb 1).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in San Saba, TX

The soil mapped at the center of ZIP 76877 is Roughcreek — very stony clay loam, well drained.

TextureVery stony clay loamholds water and nutrients; slow to drain and warm up
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Roughcreek very stony clay loam, gently rolling.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 76877; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in San Saba, TX

Summer high96 °Faverage high, August
Winter low33 °Faverage low, January
Hot days107days a year at 90 °F or more
Freezing nights51nights a year at 32 °F or less
Growing degree days6,205base 50 °F — the season’s usable heat
Longest day14 h 10 mindaylight on June 21
Shortest day10 h 07 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation28.6 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 59 °F, low 33 °F 59°33° JanFebruary: average high 64 °F, low 37 °F 64°37° FebMarch: average high 70 °F, low 44 °F 70°44° MarApril: average high 78 °F, low 52 °F 78°52° AprMay: average high 85 °F, low 62 °F 85°62° MayJune: average high 92 °F, low 68 °F 92°68° JunJuly: average high 95 °F, low 71 °F 95°71° JulAugust: average high 96 °F, low 71 °F 96°71° AugSeptember: average high 88 °F, low 64 °F 88°64° SepOctober: average high 80 °F, low 54 °F 80°54° OctNovember: average high 69 °F, low 43 °F 69°43° NovDecember: average high 61 °F, low 35 °F 61°35° Dec

Precipitation by month inches

0″1″2″3″4″January: 1.68 in precipitation 1.7 JanFebruary: 1.98 in precipitation 2.0 FebMarch: 2.58 in precipitation 2.6 MarApril: 1.87 in precipitation 1.9 AprMay: 3.93 in precipitation 3.9 MayJune: 3.48 in precipitation 3.5 JunJuly: 2.02 in precipitation 2.0 JulAugust: 2.02 in precipitation 2.0 AugSeptember: 2.53 in precipitation 2.5 SepOctober: 3.08 in precipitation 3.1 OctNovember: 1.80 in precipitation 1.8 NovDecember: 1.59 in precipitation 1.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: San Saba 7nw, TX (9 mi away); precipitation: San Saba 7nw, TX (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

768328b
Cherokee, TX · 13 mi
768718b
Richland Springs, TX · 15 mi
768698b
Pontotoc, TX · 21 mi
768858b
Valley Spring, TX · 21 mi
768878b
Voca, TX · 25 mi
768448b
Goldthwaite, TX · 26 mi
768428b
Fredonia, TX · 26 mi
768728b
Rochelle, TX · 26 mi

Texas planting zones →

Questions about 76877

What planting zone is ZIP code 76877?

ZIP code 76877 (San Saba, TX) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in San Saba, TX?

The median last spring frost (32 °F) near 76877 is March 16; after April 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, San Saba 7nw station.

When is the first frost in San Saba, TX?

The median first fall frost near 76877 is November 13, giving a median frost-free growing season of 239 days.

When should I plant tomatoes in 76877?

Start tomato seeds indoors around Jan 19 – Feb 2 and set transplants outside around Mar 23 – Apr 6, one to three weeks after the median last frost.

How much rain and snow does 76877 get?

About 28.6 inches of precipitation a year (NOAA 1991–2020 normals, San Saba 7nw station).

How hot do summers get in San Saba, TX?

The average high peaks at 96 °F in August, with about 107 days a year at 90 °F or more.

What kind of soil does 76877 have?

The USDA soil survey maps Roughcreek at the center of ZIP 76877: very stony clay loam, well drained, pH about 7.0 (neutral).

Did spring come early in San Saba, TX in 2026?

Spring leaf-out near 76877 came on Feb 6 in 2026, 5 days later than the 1991–2020 average (Feb 1), according to the USA National Phenology Network Spring Index.

What kind of onions grow in San Saba, TX?

Short-day onions: the longest day near 76877 is 14 h 10 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 76877 change?

Yes. The 2012 USDA map put 76877 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.