Photo: Renelibrary · CC BY-SA 3.0Walnut Springs reaches 100° on about 25 days a year, more than 97% of U.S. towns
The coldest hours of a January night bottom out at 35° on average. Only 60° separates winter nights from summer afternoons. In January, nights here are milder than in 80% of U.S. towns. Seedlings are safe outdoors from about March 28, with the first autumn frost due around November 7.
A year in Walnut Springs at a glance
Each month’s typical high and low, and what it brings.
What stands out about Walnut Springs’ climate
Compared with towns across the U.S., with Walnut Springs’ place in Texas beside it.
What a year in Walnut Springs feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 225 frost-free days a year
In half of years the last 32° night comes by March 28 and the first by November 7. Frost and day counts come from NOAA’s station at Rainbow, TX, 14 miles from the town’s center, 280 ft lower.
The 2023 USDA map puts Walnut Springs’ center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 15°. 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 36 inches of rain a year
May is the wettest month and July the driest. Rain falls on about 66 days a year. Snow is rare: about 0.2" in a normal year at Morgan, TX, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Walnut Springs
51% of the work is heating. 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 Rainbow, TX.
Living with Walnut Springs’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
225 frost-free days in zone 8b. The last frost comes by Mar 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 7.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Walnut Springs from natural hazards, river flooding is the largest share (42%); heat waves, cold waves, winter storms and ice storms together are 11%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Walnut Springs and similar climates
TownRatings has no climate map of the towns around Walnut Springs yet.
Climates most like Walnut Springs’, 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 |
|---|---|---|---|---|
| Walnut Springs, TX | 35° | 95° | 36" | 0.2" |
| Chico, CA | 38° | 96° | 31" | 0.0" |
| Ardmore, OK | 31° | 94° | 39" | 2.7" |
| Lugoff, SC | 33° | 92° | 43" | 0.4" |
| Grants Pass, OR | 34° | 90° | 33" | 0.9" |
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 Walnut Springs averaged 0.7° warmer than the 1900s. The biggest change is in March (+1.7°).
A smaller shift than in 94% 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 Walnut Springs compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Walnut Springs’ place among Texas’.
Walnut Springs weather by month
Highs, lows and precipitation from NOAA’s grid at Walnut Springs’ center; snow, wet days and snow on the ground from Morgan, TX. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 58° | 35° | 2.3" | 0.0" | 5 | 0 | 41° – 54° |
| February | 62° | 39° | 2.5" | 0.2" | 6 | 0 | 42° – 58° |
| March | 69° | 47° | 3.1" | 0.0" | 7 | 0 | 52° – 64° |
| April | 77° | 53° | 3.1" | 0.0" | 6 | 0 | 60° – 71° |
| May | 84° | 63° | 4.4" | 0.0" | 9 | 0 | 70° – 79° |
| June | 91° | 70° | 3.8" | 0.0" | 5 | 0 | 77° – 86° |
| July | 95° | 73° | 2.0" | 0.0" | 4 | 0 | 79° – 90° |
| August | 95° | 73° | 2.6" | 0.0" | 4 | 0 | 79° – 91° |
| September | 89° | 66° | 3.1" | 0.0" | 4 | 0 | 73° – 84° |
| October | 79° | 55° | 4.1" | 0.0" | 5 | 0 | 63° – 71° |
| November | 67° | 45° | 2.6" | 0.0" | 6 | 0 | 50° – 61° |
| December | 59° | 37° | 2.3" | 0.0" | 6 | 0 | 41° – 52° |
| Year | 77° | 55° | 35.7" | 0.2" | 66 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 42° to 58°. October is the most reliable, staying within 8°.
Where Walnut Springs’ 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 Walnut Springs’ center.
- Snow: Morgan, TX.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Rainbow, TX, 14 miles from the town’s center, 280 ft lower; 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 Walnut Springs’ climate
What is the weather like in Walnut Springs?
A typical July afternoon reaches 95°, a January night drops to 35°, and snow is almost unheard of. Milder January nights than 80% of U.S. towns; hotter July afternoons than 95% of U.S. towns.
How cold does it get in Walnut Springs in winter?
January nights average 35°. About 63 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 41°.
How much snow does Walnut Springs get?
About 0.2 inches in a normal winter at Morgan, TX, so most winters see none.
How hot does it get in Walnut Springs?
July, with a typical high of 95° and a low of 73°. About 109 days a year reach 90° and 25 reach 100° (Rainbow, TX).
When is the first and last frost in Walnut Springs?
In half of years the last spring frost (32°) comes by March 28 and the first fall frost by November 7, about 225 frost-free days, at Rainbow, TX.
What growing zone is Walnut Springs in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 15°.
What is the best time of year to visit Walnut Springs?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Walnut Springs getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 94% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Walnut Springs.
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.