San Leanna, TX climate
San Leanna has mild winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 39°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in San Leanna feels like
Winter
Spring
Summer
Fall
San Leanna 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 | 62° | 39° | 2.6" | 0 | 8 | 0 | 46° – 57° |
| February | 66° | 43° | 2.1" | 0.1" | 8 | 0 | 46° – 63° |
| March | 73° | 50° | 2.7" | 0 | 9 | 0 | 54° – 67° |
| April | 80° | 56° | 2.8" | 0 | 7 | 0 | 63° – 74° |
| May | 86° | 65° | 4.6" | 0 | 8 | 0 | 71° – 81° |
| June | 93° | 71° | 3.4" | 0 | 7 | 0 | 78° – 86° |
| July | 96° | 73° | 2.3" | 0 | 5 | 0 | 80° – 88° |
| August | 97° | 73° | 2.5" | 0 | 5 | 0 | 80° – 90° |
| September | 91° | 67° | 3.6" | 0 | 7 | 0 | 75° – 85° |
| October | 82° | 58° | 4.3" | 0 | 7 | 0 | 67° – 75° |
| November | 71° | 48° | 2.9" | 0 | 7 | 0 | 53° – 65° |
| December | 64° | 40° | 2.6" | 0.1" | 7 | 0 | 45° – 55° |
| Year | 80° | 57° | 36.2" | 0.2" | 82 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in San Leanna
San Leanna gets 36 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 82 days a year.
About 252 frost-free days a year
In half of years the last 32° night comes by March 12 and the first one by November 16. That leaves about 252 frost-free days for gardens, longer than 91% of U.S. towns.
Heating and cooling a home in San Leanna
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In San Leanna, 36% of that work is heating and 64% is cooling, so air conditioning is the bigger bill.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
San Leanna and its neighbors
San Leanna borders 2 towns with climate data. January nights across them vary by 0.8°. Austin has both the coldest January nights (38°) and the hottest July afternoons (96°). San Leanna’s January low is 39° and its July high 96°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How San Leanna compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in San Leanna averaged 1.2° warmer than the 1900s. The biggest change is in February (+2.0°). The shift is smaller than in 56% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at San Leanna’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 46° to 63°. June is the most reliable, staying within 8°.
Common questions about San Leanna’s climate
What is the coldest month in San Leanna?
January, with a typical high of 62° and a low of 39°.
What is the hottest month in San Leanna?
August, with a typical high of 97° and a low of 73°. About 124 days a year reach 90°.
How much snow does San Leanna get?
Almost none. A normal year brings 0.2 inches.
When is the first frost in San Leanna?
In half of years the first 32° night comes by November 16, and the last spring frost by March 12.
What is the rainiest month in San Leanna?
May, with 4.6 inches of rain and melted snow. The year totals 36 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for San Leanna itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Austin Bergstrom Airport, TX (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.