Terral reaches 100° on about 16 days a year, more than 94% of U.S. towns
In January the night’s low is typically 30°. The wettest month is May; the driest is January. By precipitation alone, it ranks drier than 78% of U.S. towns. Garden planting can start around March 24; autumn frost returns near November 8.
A year in Terral at a glance
Each month’s typical high and low, and what it brings.
What stands out about Terral’s climate
Compared with towns across the U.S., with Terral’s place in Oklahoma beside it.
What a year in Terral feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 229 frost-free days a year
In half of years the last 32° night comes by March 24 and the first by November 8. Frost and day counts come from NOAA’s station at Bonita 7nw, TX, 13 miles from the town’s center, 130 ft higher.
The 2023 USDA map puts Terral’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 11°. 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 34 inches of rain a year
May is the wettest month and January the driest. Rain falls on about 73 days a year. Snow is rare: about 0.9" in a normal year at Henrietta, TX, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Terral
54% of the work is heating. Months averaging under 55° run from November 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 Bonita 7nw, TX.
Living with Terral’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
229 frost-free days in zone 8a. The last frost comes by Mar 24 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 8.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November.
Parks & trails →Of the yearly building losses FEMA expects in Terral from natural hazards, drought is the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 9%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Terral and similar climates
TownRatings has no climate map of the towns around Terral yet.
Climates most like Terral’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 |
|---|---|---|---|---|
| Terral, OK | 30° | 96° | 34" | 0.9" |
| Gatesville, TX | 35° | 96° | 35" | 0.2" |
| Oakhurst, CA | 34° | 95° | 29" | 2.5" |
| Arkansas City, KS | 23° | 93° | 37" | 6.2" |
| Seven Oaks, SC | 34° | 93° | 45" | 1.2" |
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 Terral averaged 0.4° warmer than the 1900s. The biggest change is in March (+1.8°).
A smaller shift than in all but 146 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 Terral compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Terral’s place among Oklahoma’s.
Terral weather by month
Highs, lows and precipitation from NOAA’s grid at Terral’s center; snow, wet days and snow on the ground from Henrietta, TX. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 55° | 30° | 1.6" | 0.3" | 7 | 0 | 38° – 50° |
| February | 59° | 35° | 1.9" | 0.1" | 5 | 0 | 39° – 55° |
| March | 68° | 43° | 2.6" | 0.0" | 7 | 0 | 50° – 63° |
| April | 76° | 50° | 3.0" | 0.0" | 6 | 0 | 58° – 69° |
| May | 83° | 60° | 5.1" | 0.0" | 7 | 0 | 68° – 78° |
| June | 91° | 69° | 4.0" | 0.0" | 7 | 0 | 76° – 87° |
| July | 96° | 72° | 2.4" | 0.0" | 5 | 0 | 80° – 92° |
| August | 96° | 72° | 2.7" | 0.0" | 6 | 0 | 78° – 93° |
| September | 88° | 64° | 3.3" | 0.0" | 6 | 0 | 72° – 83° |
| October | 77° | 52° | 3.6" | 0.0" | 7 | 0 | 59° – 69° |
| November | 65° | 41° | 2.3" | 0.3" | 6 | 0 | 47° – 59° |
| December | 56° | 33° | 2.0" | 0.2" | 5 | 0 | 36° – 49° |
| Year | 76° | 52° | 34.4" | 0.9" | 73 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 39° to 55°. May is the most reliable, staying within 9°.
Where Terral’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 Terral’s center.
- Snow: Henrietta, TX.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Bonita 7nw, TX, 13 miles from the town’s center, 130 ft higher; 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 Terral’s climate
What is the weather like in Terral?
A typical July afternoon reaches 96°, a January night drops to 30°, and snow is almost unheard of. Milder January nights than 73% of U.S. towns; hotter July afternoons than 97% of U.S. towns.
How cold does it get in Terral in winter?
January nights average 30°. About 61 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 38°.
How much snow does Terral get?
About 0.9 inches in a normal winter at Henrietta, TX, so most winters see none.
How hot does it get in Terral?
July, with a typical high of 96° and a low of 72°. About 89 days a year reach 90° and 16 reach 100° (Bonita 7nw, TX).
When is the first and last frost in Terral?
In half of years the last spring frost (32°) comes by March 24 and the first fall frost by November 8, about 229 frost-free days, at Bonita 7nw, TX.
What growing zone is Terral in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 11°.
What is the best time of year to visit Terral?
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 Terral getting warmer?
Yes: 1991–2020 averaged 0.4° warmer than 1901–2000 on NOAA’s grid. A smaller shift than all but 146 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Terral.
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.