Sonterra reaches 100° on about 21 days a year, more than 95% of U.S. towns
A typical July afternoon reaches 95°, a January night drops to 38°, and snow is almost unheard of.
A year in Sonterra at a glance
Each month’s typical high and low, and what it brings.
What stands out about Sonterra’s climate
Compared with towns across the U.S., with Sonterra’s place in Texas beside it.
What a year in Sonterra feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 259 frost-free days a year
In half of years the last 32° night comes by March 6 and the first by November 24. Frost and day counts come from NOAA’s station at Georgetown Lake, TX, 12 miles from the town’s center, at about the same height.
The 2023 USDA map puts Sonterra’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 20°. 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 35 inches of rain a year
May is the wettest month and July the driest. Rain falls on about 55 days a year. Snow is rare: about 0.0" in a normal year at Florence, TX, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Sonterra
41% 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 Georgetown Lake, TX.
Living with Sonterra’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
259 frost-free days in zone 8b. The last frost comes by Mar 6 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 24.
Months with highs of 62–84° and lows of 40° or more: February, March, April, October and November. 2.7 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Sonterra from natural hazards, river flooding is the largest share (33%); heat waves, cold waves, winter storms and ice storms together are 31%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Sonterra and similar climates
TownRatings has no climate map of the towns around Sonterra yet.
Climates most like Sonterra’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Sonterra, TX | 38° | 95° | 35" | 0.0" |
| Chico, CA | 38° | 96° | 31" | 0.0" |
| Lone Grove, OK | 31° | 94° | 39" | 2.7" |
| Cayce, SC | 35° | 93° | 46" | 1.2" |
| Dublin, GA | 37° | 93° | 47" | 0.0" |
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 Sonterra averaged 1.3° warmer than the 1900s. The biggest change is in February (+2.3°).
A smaller shift than in 55% 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 Sonterra compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Sonterra’s place among Texas’.
Sonterra weather by month
Highs, lows and precipitation from NOAA’s grid at Sonterra’s center; snow, wet days and snow on the ground from Florence, TX. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 61° | 38° | 2.5" | 0.0" | 6 | 0 | 44° – 56° |
| February | 65° | 42° | 2.2" | 0.0" | 5 | 0 | 45° – 61° |
| March | 71° | 49° | 2.9" | 0.0" | 5 | 0 | 53° – 66° |
| April | 78° | 55° | 2.8" | 0.0" | 5 | 0 | 61° – 73° |
| May | 85° | 64° | 4.5" | 0.0" | 6 | 0 | 71° – 80° |
| June | 92° | 70° | 3.5" | 0.0" | 5 | 0 | 77° – 84° |
| July | 95° | 73° | 2.0" | 0.0" | 3 | 0 | 79° – 88° |
| August | 96° | 73° | 2.6" | 0.0" | 3 | 0 | 79° – 90° |
| September | 90° | 67° | 3.4" | 0.0" | 4 | 0 | 74° – 84° |
| October | 81° | 57° | 3.7" | 0.0" | 4 | 0 | 65° – 74° |
| November | 70° | 47° | 2.7" | 0.0" | 4 | 0 | 51° – 64° |
| December | 62° | 39° | 2.6" | 0.0" | 5 | 0 | 44° – 54° |
| Year | 79° | 56° | 35.3" | 0.0" | 55 | 0 |
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 61°. June is the most reliable, staying within 7°.
Where Sonterra’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 Sonterra’s center.
- Snow: Florence, TX.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Georgetown Lake, TX, 12 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 Sonterra’s climate
What is the weather like in Sonterra?
A typical July afternoon reaches 95°, a January night drops to 38°, and snow is almost unheard of. Milder January nights than 85% of U.S. towns; hotter July afternoons than 95% of U.S. towns.
How cold does it get in Sonterra in winter?
January nights average 38°. About 28 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 44°.
How much snow does Sonterra get?
About 0.0 inches in a normal winter at Florence, TX, so most winters see none.
How hot does it get in Sonterra?
July, with a typical high of 95° and a low of 73°. About 112 days a year reach 90° and 21 reach 100° (Georgetown Lake, TX).
When is the first and last frost in Sonterra?
In half of years the last spring frost (32°) comes by March 6 and the first fall frost by November 24, about 259 frost-free days, at Georgetown Lake, TX.
What growing zone is Sonterra in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 20°.
What is the best time of year to visit Sonterra?
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 Sonterra getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 55% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Sonterra.
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.