Carrizo Hill reaches 100° on about 54 days a year, more than all but 135 U.S. towns
The coldest hours of a January night bottom out at 41° on average. Rain follows the seasons: September brings about 4.0 times as much as February. In January, nights here are milder than in 90% of U.S. towns. Garden planting can start around March 5; autumn frost returns near November 22.
A year in Carrizo Hill at a glance
Each month’s typical high and low, and what it brings.
What stands out about Carrizo Hill’s climate
Compared with towns across the U.S., with Carrizo Hill’s place in Texas beside it.
What a year in Carrizo Hill feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 265 frost-free days a year
In half of years the last 32° night comes by March 5 and the first by November 22. Frost and day counts come from NOAA’s station at Carrizo Springs 3s, TX, 2.8 miles from the town’s center, at about the same height.
The 2023 USDA map puts Carrizo Hill’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 23°. 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 21 inches of rain a year
September is the wettest month and February the driest. Rain falls on about 52 days a year. Snow is rare: about 0.1" in a normal year at Carrizo Springs 3s, TX, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Carrizo Hill
29% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55°: December and 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 Carrizo Springs 3s, TX.
Living with Carrizo Hill’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
265 frost-free days in zone 9a. The last frost comes by Mar 5 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 22.
Months with highs of 62–84° and lows of 40° or more: January, February, March, November and December.
Parks & trails →Heat waves are 45% of the yearly building losses FEMA expects in Carrizo Hill from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Carrizo Hill and similar climates
TownRatings has no climate map of the towns around Carrizo Hill yet.
Climates most like Carrizo Hill’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 |
|---|---|---|---|---|
| Carrizo Hill, TX | 41° | 99° | 21" | 0.1" |
| Olivehurst, CA | 39° | 97° | 20" | 0.0" |
| Oro Valley, AZ | 38° | 100° | 13" | 0.0" |
| Ivins, UT | 32° | 100° | 11" | 1.2" |
| Carlsbad, NM | 29° | 97° | 13" | 2.7" |
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 Carrizo Hill averaged 1.1° warmer than the 1900s. The biggest change is in March (+1.9°).
A smaller shift than in 70% 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 Carrizo Hill compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Carrizo Hill’s place among Texas’.
Carrizo Hill weather by month
Highs, lows and precipitation from NOAA’s grid at Carrizo Hill’s center; snow, wet days and snow on the ground from Carrizo Springs 3s, TX. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 67° | 41° | 0.9" | 0.0" | 5 | 0 | 49° – 59° |
| February | 72° | 46° | 0.8" | 0.0" | 4 | 0 | 52° – 66° |
| March | 79° | 53° | 1.6" | 0.0" | 5 | 0 | 58° – 71° |
| April | 86° | 59° | 1.3" | 0.0" | 3 | 0 | 67° – 79° |
| May | 92° | 68° | 2.8" | 0.0" | 5 | 0 | 75° – 83° |
| June | 97° | 73° | 2.1" | 0.0" | 4 | 0 | 81° – 89° |
| July | 99° | 74° | 2.0" | 0.0" | 4 | 0 | 81° – 90° |
| August | 100° | 74° | 1.7" | 0.0" | 4 | 0 | 84° – 91° |
| September | 93° | 70° | 3.2" | 0.0" | 6 | 0 | 78° – 87° |
| October | 85° | 61° | 1.9" | 0.0" | 4 | 0 | 70° – 78° |
| November | 75° | 50° | 1.1" | 0.0" | 4 | 0 | 58° – 68° |
| December | 67° | 42° | 1.0" | 0.1" | 4 | 0 | 48° – 58° |
| Year | 84° | 59° | 20.5" | 0.1" | 52 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 52° to 66°. August is the most reliable, staying within 7°.
Where Carrizo Hill’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 Carrizo Hill’s center.
- Snow: Carrizo Springs 3s, TX.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Carrizo Springs 3s, TX, 2.8 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 Carrizo Hill’s climate
What is the weather like in Carrizo Hill?
A typical July afternoon reaches 99°, a January night drops to 41°, and snow is almost unheard of. Milder January nights than 90% of U.S. towns; hotter July afternoons than all but 167 U.S. towns.
How cold does it get in Carrizo Hill in winter?
January nights average 41°. About 25 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 49°.
How much snow does Carrizo Hill get?
About 0.1 inches in a normal winter at Carrizo Springs 3s, TX, so most winters see none.
How hot does it get in Carrizo Hill?
July, with a typical high of 99° and a low of 74°. About 153 days a year reach 90° and 54 reach 100° (Carrizo Springs 3s, TX).
When is the first and last frost in Carrizo Hill?
In half of years the last spring frost (32°) comes by March 5 and the first fall frost by November 22, about 265 frost-free days, at Carrizo Springs 3s, TX.
What growing zone is Carrizo Hill in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 23°.
What is the best time of year to visit Carrizo Hill?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Carrizo Hill getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 70% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Carrizo Hill.
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.