Las Lomas has warm winters and hot summers, with very little rain
A typical July afternoon reaches 99°, a January night drops to 48°, and snow is almost unheard of.
A year in Las Lomas at a glance
Each month’s typical high and low, and what it brings.
What stands out about Las Lomas’s climate
Read from where Las Lomas sits among Texas’s towns. The page puts what stands out first.
About 321 frost-free days a year
In half of years the last 32° night comes by January 31 and the first by December 17.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
What a year in Las Lomas feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Las Lomas’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
321 frost-free days. The last frost comes by Jan 31 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 17.
About 0.1" in a normal winter.
About 187 days a year reach 90°, and July afternoons average 99°.
The nicest months are January, February, March, November and December.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Rain and snow in Las Lomas
September is the wettest month and February the driest. Rain or snow falls on about 59 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
About 0.1" in a normal year, so most winters see none.
Las Lomas and its neighbors
Rio Grande City has the coldest January nights next door (48°) and Rio Grande City the hottest July afternoons (99°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Las Lomas averaged 1.3° warmer than the 1900s. The biggest change is in February (+2.3°).
A bigger shift than in 60% of U.S. towns.
Change by month
How Las Lomas compares
Against every U.S. town on TownTapestry, each counted once, with its place in Texas.
Las Lomas weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 71° | 48° | 0.9" | 0 | 6 | 0 | 53° – 65° |
| February | 76° | 52° | 0.8" | 0 | 5 | 0 | 57° – 72° |
| March | 83° | 59° | 1.1" | 0 | 5 | 0 | 64° – 77° |
| April | 89° | 64° | 1.3" | 0 | 4 | 0 | 70° – 82° |
| May | 94° | 71° | 2.6" | 0 | 5 | 0 | 77° – 86° |
| June | 98° | 75° | 2.4" | 0 | 4 | 0 | 84° – 90° |
| July | 99° | 76° | 2.1" | 0 | 4 | 0 | 84° – 91° |
| August | 100° | 76° | 1.7" | 0 | 4 | 0 | 86° – 91° |
| September | 94° | 72° | 4.4" | 0 | 8 | 0 | 79° – 86° |
| October | 89° | 65° | 1.9" | 0 | 5 | 0 | 73° – 81° |
| November | 79° | 56° | 1.2" | 0 | 5 | 0 | 62° – 74° |
| December | 72° | 49° | 1.0" | 0.1" | 6 | 0 | 54° – 66° |
| Year | 87° | 64° | 21.2" | 0.1" | 59 | 0 |
Heating and cooling a home in Las Lomas
16% of the work is heating, so air conditioning is the bigger bill.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 57° to 72°. August is the most reliable, staying within 6°.
Common questions about Las Lomas’s climate
What is the coldest month in Las Lomas?
January, with a typical high of 71° and a low of 48°.
What is the hottest month in Las Lomas?
August, with a typical high of 100° and a low of 76°. About 187 days a year reach 90°.
How much snow does Las Lomas get?
Almost none. A normal year brings 0.1 inches.
When is the first frost in Las Lomas?
In half of years the first 32° night comes by December 17, and the last spring frost by January 31.
What is the rainiest month in Las Lomas?
September, with 4.4 inches of rain and melted snow. The year totals 21 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Las Lomas.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Las Lomas itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Rio Grande City, TX (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.