Photo: Larry D. Moore · CC BY 4.0Groveton reaches 100° on about 19 days a year, more than 95% of U.S. towns
The coldest hours of a January night bottom out at 39° on average. In January, nights here are milder than in 86% of U.S. towns. March has warmed most since 1901–2000, part of a 0.7° rise. Radiators earn their keep from January, the months that average under 50°.
A year in Groveton at a glance
Each month’s typical high and low, and what it brings.
What stands out about Groveton’s climate
Compared with towns across the U.S., with Groveton’s place in Texas beside it.
What a year in Groveton feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 267 frost-free days a year
In half of years the last 32° night comes by March 2 and the first by November 26. Frost and day counts come from NOAA’s station at Groveton, TX, 10 miles from the town’s center, at about the same height.
The 2023 USDA map puts Groveton’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 21°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 50 inches of rain a year
October is the wettest month and August the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Groveton
37% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from December through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Groveton, TX.
Living with Groveton’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
267 frost-free days in zone 9a. The last frost comes by Mar 2 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 26.
Months with highs of 62–84° and lows of 40° or more: February, March, April, October and November.
Parks & trails →Cold waves are 39% of the yearly building losses FEMA expects in Groveton from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Groveton and similar climates
TownRatings has no climate map of the towns around Groveton yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Groveton averaged 0.7° warmer than the 1900s. The biggest change is in March (+1.6°).
A smaller shift than in 92% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Groveton compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Groveton’s place among Texas’.
Groveton weather by month
Highs, lows and precipitation from NOAA’s grid at Groveton’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 60° | 39° | 4.4" | 44° – 55° |
| February | 64° | 43° | 3.7" | 45° – 62° |
| March | 71° | 49° | 4.0" | 54° – 67° |
| April | 78° | 56° | 3.9" | 62° – 72° |
| May | 85° | 64° | 4.8" | 71° – 79° |
| June | 91° | 70° | 4.6" | 78° – 85° |
| July | 94° | 73° | 3.5" | 81° – 88° |
| August | 95° | 72° | 3.4" | 79° – 90° |
| September | 89° | 67° | 3.9" | 75° – 82° |
| October | 80° | 56° | 4.9" | 64° – 75° |
| November | 69° | 47° | 4.4" | 53° – 63° |
| December | 62° | 40° | 4.7" | 43° – 56° |
| Year | 78° | 56° | 50.2" |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 45° to 62°. June is the most reliable, staying within 7°.
Where Groveton’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Groveton’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Groveton, TX, 10 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Groveton’s climate
What is the weather like in Groveton?
A typical July afternoon reaches 94°, a January night drops to 39°. Milder January nights than 86% of U.S. towns; hotter July afternoons than 93% of U.S. towns.
How cold does it get in Groveton in winter?
January nights average 39°. About 26 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 44°.
How hot does it get in Groveton?
July, with a typical high of 94° and a low of 73°. About 115 days a year reach 90° and 19 reach 100° (Groveton, TX).
When is the first and last frost in Groveton?
In half of years the last spring frost (32°) comes by March 2 and the first fall frost by November 26, about 267 frost-free days, at Groveton, TX.
What growing zone is Groveton in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 21°.
What is the best time of year to visit Groveton?
By one simple rule (highs of 62–84° and lows of 40° or more), February, March, April, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Groveton getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 92% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Groveton.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.