Simonton reaches 100° on about 12 days a year, more than 92% of U.S. towns
Deep winter brings January lows near 43°. Its January nights stay gentler than in 92% of U.S. towns. The latest 30-year average runs 1.6° warmer than 1901–2000’s, with February up the most. The frost-free window for a garden runs roughly February 28 to November 30.
A year in Simonton at a glance
Each month’s typical high and low, and what it brings.
What stands out about Simonton’s climate
Compared with towns across the U.S., with Simonton’s place in Texas beside it.
What a year in Simonton feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 276 frost-free days a year
In half of years the last 32° night comes by February 28 and the first by November 30. Frost and day counts come from NOAA’s station at Sealy, TX, 12 miles from the town’s center, at about the same height.
The 2023 USDA map puts Simonton’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 24°. 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 49 inches of rain a year
September is the wettest month and February the driest. Rain falls on about 77 days a year. Snow is rare: about 0.0" in a normal year at Sugar Land, TX, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Simonton
31% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from January.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Sealy, TX.
Living with Simonton’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
276 frost-free days in zone 9a. The last frost comes by Feb 28 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 30.
Months with highs of 62–84° and lows of 40° or more: January, February, March, April, October, November and December.
Parks & trails →Of the yearly building losses FEMA expects in Simonton from natural hazards, river flooding is the largest share (65%); heat waves, cold waves, winter storms and ice storms together are 5%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Simonton and similar climates
TownRatings has no climate map of the towns around Simonton yet.
Climates most like Simonton’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 |
|---|---|---|---|---|
| Simonton, TX | 43° | 95° | 49" | 0.0" |
| Waycross, GA | 39° | 93° | 49" | 0.0" |
| Middleburg, FL | 43° | 92° | 52" | 0.0" |
| Shreveport, LA | 37° | 94° | 52" | 0.1" |
| Hardeeville, SC | 38° | 92° | 48" | 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 Simonton averaged 1.6° warmer than the 1900s. The biggest change is in February (+2.9°).
A bigger shift than in 64% 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 Simonton compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Simonton’s place among Texas’.
Simonton weather by month
Highs, lows and precipitation from NOAA’s grid at Simonton’s center; snow, wet days and snow on the ground from Sugar Land, TX. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 64° | 43° | 3.8" | 0.0" | 8 | 0 | 48° – 60° |
| February | 68° | 47° | 2.9" | 0.0" | 7 | 0 | 49° – 67° |
| March | 74° | 53° | 3.4" | 0.0" | 6 | 0 | 57° – 71° |
| April | 80° | 59° | 4.0" | 0.0" | 5 | 0 | 64° – 74° |
| May | 87° | 67° | 4.9" | 0.0" | 6 | 0 | 72° – 80° |
| June | 92° | 72° | 4.9" | 0.0" | 8 | 0 | 80° – 86° |
| July | 95° | 74° | 3.4" | 0.0" | 7 | 0 | 81° – 87° |
| August | 96° | 74° | 4.2" | 0.0" | 8 | 0 | 81° – 90° |
| September | 91° | 69° | 4.9" | 0.0" | 7 | 0 | 77° – 84° |
| October | 83° | 60° | 4.7" | 0.0" | 5 | 0 | 68° – 76° |
| November | 73° | 51° | 4.1" | 0.0" | 5 | 0 | 56° – 68° |
| December | 66° | 45° | 3.5" | 0.0" | 6 | 0 | 48° – 60° |
| Year | 81° | 59° | 48.8" | 0.0" | 77 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 49° to 67°. July is the most reliable, staying within 6°.
Where Simonton’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 Simonton’s center.
- Snow: Sugar Land, TX.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Sealy, 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 Simonton’s climate
What is the weather like in Simonton?
A typical July afternoon reaches 95°, a January night drops to 43°, and snow is almost unheard of. Milder January nights than 92% of U.S. towns; hotter July afternoons than 94% of U.S. towns.
How cold does it get in Simonton in winter?
January nights average 43°. About 13 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 48°.
How much snow does Simonton get?
About 0.0 inches in a normal winter at Sugar Land, TX, so most winters see none.
How hot does it get in Simonton?
July, with a typical high of 95° and a low of 74°. About 105 days a year reach 90° and 12 reach 100° (Sealy, TX).
When is the first and last frost in Simonton?
In half of years the last spring frost (32°) comes by February 28 and the first fall frost by November 30, about 276 frost-free days, at Sealy, TX.
What growing zone is Simonton in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 24°.
What is the best time of year to visit Simonton?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Simonton getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 64% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Simonton.
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.