Dubois, WY climate
Dubois has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 79°, a January night drops to 10°, and about 55 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Dubois feels like
Winter
Spring
Summer
Fall
Dubois 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 | 34° | 10° | 0.4" | 4.8" | 5 | 12 | 16° – 29° |
| February | 36° | 9° | 0.5" | 8.1" | 7 | 12 | 18° – 31° |
| March | 44° | 17° | 0.6" | 8.2" | 7 | 8 | 24° – 36° |
| April | 50° | 23° | 1.1" | 9.9" | 9 | 5 | 32° – 42° |
| May | 60° | 31° | 1.9" | 4.0" | 11 | 2 | 39° – 49° |
| June | 70° | 37° | 1.5" | 0.6" | 9 | 0 | 48° – 59° |
| July | 79° | 42° | 1.0" | 0 | 7 | 0 | 52° – 65° |
| August | 77° | 40° | 0.9" | 0 | 8 | 0 | 55° – 62° |
| September | 68° | 34° | 1.2" | 0.8" | 7 | 0 | 47° – 54° |
| October | 55° | 25° | 0.9" | 4.8" | 7 | 2 | 32° – 46° |
| November | 42° | 16° | 0.6" | 7.6" | 7 | 9 | 21° – 37° |
| December | 33° | 9° | 0.5" | 6.5" | 6 | 14 | 15° – 25° |
| Year | 54° | 24° | 11.1" | 55.3" | 88 | 65 |
“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 Dubois
Dubois gets 11 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 88 days a year. Snow covers the ground about 65 days of the year.
A year-round growing season
Heating and cooling a home in Dubois
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Dubois, 100% of that work is heating and 0% 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 Dubois 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 Dubois averaged 1.4° warmer than the 1900s. The biggest change is in January (+4.2°). The shift is larger than in 64% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Dubois’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. November swings the most: between 1991 and 2020 its average temperature ranged from 21° to 37°. September is the most reliable, staying within 7°.
Common questions about Dubois’s climate
What is the coldest month in Dubois?
December, with a typical high of 33° and a low of 9°.
What is the hottest month in Dubois?
July, with a typical high of 79° and a low of 42°. About 1 days a year reach 90°.
How much snow does Dubois get?
About 55 inches in a normal winter, most of it in April.
When is the first frost in Dubois?
Frost is uncommon. Only 100% of years see a night at 32° or below.
What is the rainiest month in Dubois?
May, with 1.9 inches of rain and melted snow. The year totals 11 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Dubois itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Dubois, WY (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.