Upton, WY climate
Upton has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 87°, a January night drops to 10°, and about 46 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Upton feels like
Winter
Spring
Summer
Fall
Upton 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 | 33° | 10° | 0.4" | 8.2" | 4 | 21 | 14° – 33° |
| February | 36° | 12° | 0.5" | 8.1" | 4 | 17 | 9° – 34° |
| March | 47° | 22° | 0.8" | 6.2" | 5 | 10 | 24° – 45° |
| April | 56° | 29° | 1.7" | 5.3" | 8 | 3 | 35° – 48° |
| May | 65° | 39° | 2.9" | 0.7" | 10 | 0 | 45° – 59° |
| June | 77° | 49° | 2.4" | 0.1" | 9 | 0 | 56° – 70° |
| July | 87° | 56° | 2.0" | 0 | 7 | 0 | 64° – 78° |
| August | 85° | 54° | 1.4" | 0 | 5 | 0 | 64° – 75° |
| September | 74° | 44° | 1.1" | 0.1" | 4 | 0 | 52° – 65° |
| October | 59° | 31° | 1.4" | 3.1" | 5 | 1 | 35° – 51° |
| November | 44° | 20° | 0.5" | 6.3" | 3 | 8 | 20° – 42° |
| December | 34° | 11° | 0.4" | 8.3" | 4 | 18 | 12° – 29° |
| Year | 58° | 31° | 15.5" | 46.4" | 69 | 77 |
“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 Upton
Upton gets 15 inches of rain and melted snow a year. May is the wettest month and December the driest. Rain or snow falls on about 69 days a year. Snow covers the ground about 77 days of the year.
About 123 frost-free days a year
In half of years the last 32° night comes by May 20 and the first one by September 23. That leaves about 123 frost-free days for gardens, shorter than 97% of U.S. towns.
Heating and cooling a home in Upton
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Upton, 94% of that work is heating and 6% is cooling, so the furnace matters far more than the air conditioner.
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 Upton 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 Upton averaged 1.4° warmer than the 1900s. The biggest change is in January (+4.0°). The shift is larger than in 62% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Upton’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 9° to 34°. August is the most reliable, staying within 11°.
Common questions about Upton’s climate
What is the coldest month in Upton?
January, with a typical high of 33° and a low of 10°.
What is the hottest month in Upton?
July, with a typical high of 87° and a low of 56°. About 31 days a year reach 90°.
How much snow does Upton get?
About 46 inches in a normal winter, most of it in December.
When is the first frost in Upton?
In half of years the first 32° night comes by September 23, and the last spring frost by May 20.
What is the rainiest month in Upton?
May, with 2.9 inches of rain and melted snow. The year totals 15 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Upton itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Upton, WY (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.