White Mesa, UT climate
White Mesa has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 95°, a January night drops to 21°, and about 7 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in White Mesa feels like
Winter
Spring
Summer
Fall
White Mesa 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 | 43° | 21° | 1.2" | 2.5" | 4 | 4 | 24° – 39° |
| February | 49° | 26° | 0.9" | 1.6" | 4 | 1 | 33° – 45° |
| March | 60° | 32° | 0.7" | 0.3" | 4 | 0 | 42° – 51° |
| April | 68° | 38° | 0.6" | 0 | 3 | 0 | 49° – 58° |
| May | 78° | 47° | 0.6" | 0 | 3 | 0 | 56° – 67° |
| June | 90° | 56° | 0.3" | 0 | 1 | 0 | 68° – 77° |
| July | 95° | 63° | 0.9" | 0 | 5 | 0 | 75° – 83° |
| August | 92° | 62° | 1.1" | 0 | 5 | 0 | 74° – 80° |
| September | 83° | 53° | 1.2" | 0 | 4 | 0 | 63° – 71° |
| October | 70° | 40° | 1.1" | 0.1" | 4 | 0 | 50° – 60° |
| November | 55° | 29° | 0.7" | 0.3" | 3 | 0 | 36° – 47° |
| December | 43° | 21° | 0.9" | 2.6" | 4 | 2 | 26° – 37° |
| Year | 69° | 41° | 10.1" | 7.4" | 43 | 7 |
“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 White Mesa
White Mesa gets 10 inches of rain and melted snow a year. September is the wettest month and June the driest. Rain or snow falls on about 43 days a year. Snow covers the ground about 7 days of the year.
About 172 frost-free days a year
In half of years the last 32° night comes by April 24 and the first one by October 13. That leaves about 172 frost-free days for gardens, shorter than 58% of U.S. towns.
Heating and cooling a home in White Mesa
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In White Mesa, 79% of that work is heating and 21% 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 White Mesa 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 White Mesa averaged 1.5° warmer than the 1900s. The biggest change is in March (+2.7°). The shift is larger than in 72% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at White Mesa’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. January swings the most: between 1991 and 2020 its average temperature ranged from 24° to 39°. August is the most reliable, staying within 7°.
Common questions about White Mesa’s climate
What is the coldest month in White Mesa?
December, with a typical high of 43° and a low of 21°.
What is the hottest month in White Mesa?
July, with a typical high of 95° and a low of 63°. About 90 days a year reach 90°.
How much snow does White Mesa get?
About 7 inches in a normal winter, most of it in December.
When is the first frost in White Mesa?
In half of years the first 32° night comes by October 13, and the last spring frost by April 24.
What is the rainiest month in White Mesa?
September, with 1.2 inches of rain and melted snow. The year totals 10 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for White Mesa itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Bluff, UT (13 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.