Your nature year
Conroe, Texasthrough the year
When do frost, green-up and fall color come to Conroe?
Spring green-up reaches town around Jan 26, with first blooms around Feb 20. Spring takes about 4 weeks to go from leaf to bloom.
At the nearest NOAA station, Conroe, the average first fall frost is Dec 2 and the last spring frost Feb 24, which leaves Conroe some 281 growing days. Trinity River Refuge, 46 miles from Conroe, is the nearest spring migration spot on this site, during the spring (March to May) (local timing). For wildlife by season, the nearest is Attwater Prairie Chicken Refuge (65 mi, late February through early April (local timing)). Within 150 miles we follow 3 places, out to Big Thicket National Preserve 70 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)
Conroe's year at a glance
- Frost possible
- Frost-free, ~Feb 24 to ~Dec 2
- First leaf ~Jan 26
- First bloom ~Feb 20
- Today
Near Conroe right now
- First fall frost usually around Dec 2 · last spring frost around Feb 24NOAA 1991–2020 normals, Conroe (0.1 mi, 50% dates)~2 months
- Fall foliage · Big Thicket National Preserve · 70 miusually late November through early December~8 weeks
Conroe's nature year
- Jan: Spring green-upJan
- Wildlife by season · Attwater Prairie Chicken RefugeFeb–Apr
- Feb: Last spring frostFeb
- Spring migration · Trinity River RefugeMar–May
- Wildflowers · Big Thicket National PreserveMar–Apr
- Fall foliage · Big Thicket National PreserveNov–Dec
- Dec: First fall frostDec
Nearby, season by season
Fall foliage
- Big Thicket National Preserve · 70 miusually late November through early December~8 weeks
Spring migration
- Trinity River Refuge · 46 miLocal timing: during the spring (March to May)~5 months
Wildflowers
- Big Thicket National Preserve · 70 miAt one spot: late March and April~6 months
Wildlife by season
- Attwater Prairie Chicken Refuge · 65 miLocal timing: late February through early April~5 months
Frost and green-up
Last spring frost
Feb 24
Average (50% date)
First fall frost
Dec 2
About 281 days without frost between
Spring green-up
Jan 26
First bloom around Feb 20
Frost: NOAA 1991–2020 climate normals at Conroe (0.1 mi from Conroe), 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 Conroe?
On average around Dec 2, and the last spring frost around Feb 24: about 281 days without frost between. These are NOAA's 1991–2020 normals at Conroe, 0.1 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach Conroe?
The USA-NPN Spring Index puts first leaf around Jan 26 and first bloom around Feb 20, on average for 1991–2020 at the town.
Where can I see fall foliage near Conroe?
Big Thicket National Preserve, 70 miles (usually late November through early December). Distances are straight-line.
Where can I see spring migration near Conroe?
Trinity River Refuge, 46 miles (local timing: during the spring (March to May)). 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)