Your nature year
San Antonio, Texasthrough the year
Also for Schertz, TX, Cibolo, TX, Converse, TX: the same nearby places.
When do frost, green-up and fall color come to San Antonio?
LBJ National Historical Park, 57 miles from San Antonio, is the nearest texas bluebonnets spot on this site, March and April (local timing). Aransas Refuge (131 mi) is the pick for winter wildlife, typically arriving in late October and departing by mid-April (local timing).
Expect about 276 frost-free days in San Antonio: the last spring frost usually comes around Feb 25, the first fall one around Nov 28, going by NOAA's San Antonio Incarnate Word station 3.2 miles away. About 3 weeks pass between first leaf and first bloom here. The USA-NPN spring index puts first leaf here around Jan 24 and first bloom around Feb 17. Within 150 miles we follow 3 places, out to Attwater Prairie Chicken Refuge 136 miles to the east.
Updated Sep 27. Sources: US Census Bureau, 2024 Gazetteer (places) ↗ (opens in a new tab), US Census Bureau, city and town population estimates, 2024 ↗ (opens in a new tab), NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) ↗ (opens in a new tab)
San Antonio's year at a glance
- Frost possible
- Frost-free, ~Feb 25 to ~Nov 28
- First leaf ~Jan 24
- First bloom ~Feb 17
- Today
Near San Antonio right now
- First fall frost usually around Nov 28 · last spring frost around Feb 25NOAA 1991–2020 normals, San Antonio Incarnate Word (3.2 mi, 50% dates)~2 months
- Winter wildlife · Aransas Refuge · 131 miLocal timing: typically arriving in late October and departing by mid-April~3 weeks
San Antonio's nature year
- Jan: Spring green-upJan
- Wildlife by season · Attwater Prairie Chicken RefugeFeb–Apr
- Feb: Last spring frostFeb
- Texas bluebonnets · LBJ National Historical ParkMar–Apr
- Winter wildlife · Aransas RefugeOct–Apr
- Nov: First fall frostNov
Nearby, season by season
Texas bluebonnets
- LBJ National Historical Park · 57 miLocal timing: March and April~5 months
Wildlife by season
- Attwater Prairie Chicken Refuge · 136 miLocal timing: late February through early April~5 months
Winter wildlife
- Aransas Refuge · 131 miLocal timing: typically arriving in late October and departing by mid-April~3 weeks
Frost and green-up
Last spring frost
Feb 25
Average (50% date)
First fall frost
Nov 28
About 276 days without frost between
Spring green-up
Jan 24
First bloom around Feb 17
Frost: NOAA 1991–2020 climate normals at San Antonio Incarnate Word (3.2 mi from San Antonio), the day a 32 °F night is as likely as not. Green-up: the USA-NPN Spring Index, 1991–2020 average at the town.
Questions people ask
When is the first frost in San Antonio?
On average around Nov 28, and the last spring frost around Feb 25: about 276 days without frost between. These are NOAA's 1991–2020 normals at San Antonio Incarnate Word, 3.2 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach San Antonio?
The USA-NPN Spring Index puts first leaf around Jan 24 and first bloom around Feb 17, on average for 1991–2020 at the town.
Where can I see Texas bluebonnets near San Antonio?
LBJ National Historical Park, 57 miles (local timing: March and April). Distances are straight-line.
Where can I see wildlife by season near San Antonio?
Attwater Prairie Chicken Refuge, 136 miles (local timing: late February through early April). Distances are straight-line.
How we know
US Census Bureau, 2024 Gazetteer (places) (opens in a new tab) (Sep 27) · US Census Bureau, city and town population estimates, 2024 (opens in a new tab) (Sep 27) · NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) (opens in a new tab) (Sep 27) · USA National Phenology Network, Spring Index 1991–2020 averages (opens in a new tab) (Sep 27)