Lago Vista, TX climate
Lago Vista has mild winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 37°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Lago Vista feels like
Winter
Spring
Summer
Fall
Lago Vista 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° | 37° | 2.1" | 0 | 5 | 0 | 45° – 56° |
| February | 66° | 42° | 2.0" | 0 | 4 | 0 | 45° – 62° |
| March | 72° | 49° | 2.6" | 0 | 6 | 0 | 54° – 66° |
| April | 80° | 55° | 2.6" | 0 | 5 | 0 | 62° – 73° |
| May | 86° | 64° | 4.4" | 0 | 6 | 0 | 71° – 80° |
| June | 93° | 70° | 3.3" | 0 | 5 | 0 | 78° – 85° |
| July | 96° | 73° | 2.0" | 0 | 4 | 0 | 80° – 88° |
| August | 97° | 72° | 2.2" | 0 | 5 | 0 | 80° – 90° |
| September | 90° | 67° | 3.4" | 0 | 6 | 0 | 75° – 85° |
| October | 81° | 57° | 3.7" | 0 | 5 | 0 | 66° – 74° |
| November | 71° | 47° | 2.7" | 0 | 5 | 0 | 53° – 64° |
| December | 63° | 39° | 2.3" | 0 | 4 | 0 | 44° – 54° |
| Year | 80° | 56° | 33.2" | 0.0" | 61 | 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 Lago Vista
Lago Vista gets 33 inches of rain and melted snow a year. May is the wettest month and July the driest. Rain or snow falls on about 61 days a year.
About 254 frost-free days a year
In half of years the last 32° night comes by March 11 and the first one by November 20. That leaves about 254 frost-free days for gardens, longer than 91% of U.S. towns.
Heating and cooling a home in Lago Vista
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lago Vista, 41% of that work is heating and 59% is cooling.
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.
How Lago Vista 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 Lago Vista averaged 1.0° warmer than the 1900s. The biggest change is in February (+1.9°). The shift is smaller than in 71% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Lago Vista’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 45° to 62°. June is the most reliable, staying within 8°.
Common questions about Lago Vista’s climate
What is the coldest month in Lago Vista?
January, with a typical high of 62° and a low of 37°.
What is the hottest month in Lago Vista?
August, with a typical high of 97° and a low of 72°. About 114 days a year reach 90°.
How much snow does Lago Vista get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Lago Vista?
In half of years the first 32° night comes by November 20, and the last spring frost by March 11.
What is the rainiest month in Lago Vista?
May, with 4.4 inches of rain and melted snow. The year totals 33 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Lago Vista itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Spicewood, TX (10 mi, snow) and Austin Great Hills, TX (14 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.