Bonanza Mountain Estates, CO climate
Bonanza Mountain Estates has chilly, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 76°, a January night drops to 16°, and about 184 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Bonanza Mountain Estates feels like
Winter
Spring
Summer
Fall
Bonanza Mountain Estates 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 | 37° | 16° | 0.8" | 15.8" | 9 | 31 | 22° – 32° |
| February | 37° | 16° | 0.9" | 28.0" | 12 | 29 | 23° – 33° |
| March | 44° | 21° | 1.8" | 29.9" | 12 | 29 | 28° – 39° |
| April | 50° | 26° | 2.7" | 34.9" | 13 | 19 | 33° – 43° |
| May | 59° | 34° | 2.7" | 17.9" | 16 | 6 | 41° – 50° |
| June | 71° | 42° | 1.9" | 0.1" | 10 | 0 | 52° – 61° |
| July | 76° | 48° | 2.4" | 0 | 15 | 0 | 59° – 67° |
| August | 74° | 46° | 2.2" | 0 | 14 | 0 | 56° – 64° |
| September | 67° | 40° | 1.7" | 0.7" | 10 | 1 | 48° – 58° |
| October | 56° | 31° | 1.3" | 18.1" | 10 | 8 | 37° – 48° |
| November | 44° | 23° | 1.0" | 13.5" | 8 | 19 | 25° – 41° |
| December | 37° | 16° | 0.8" | 24.6" | 11 | 29 | 20° – 31° |
| Year | 54° | 30° | 20.1" | 183.5" | 140 | 169 |
“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 Bonanza Mountain Estates
Bonanza Mountain Estates gets 20 inches of rain and melted snow a year. April is the wettest month and January the driest. Rain or snow falls on about 140 days a year. Snow covers the ground about 169 days of the year.
About 103 frost-free days a year
In half of years the last 32° night comes by June 5 and the first one by September 16. That leaves about 103 frost-free days for gardens, shorter than 99% of U.S. towns.
Heating and cooling a home in Bonanza Mountain Estates
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Bonanza Mountain Estates, 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 Bonanza Mountain Estates 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 Bonanza Mountain Estates averaged 1.2° warmer than the 1900s. The biggest change is in March (+2.9°). The shift is smaller than in 52% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Bonanza Mountain Estates’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 25° to 41°. August is the most reliable, staying within 8°.
Common questions about Bonanza Mountain Estates’s climate
What is the coldest month in Bonanza Mountain Estates?
February, with a typical high of 37° and a low of 16°.
What is the hottest month in Bonanza Mountain Estates?
July, with a typical high of 76° and a low of 48°.
How much snow does Bonanza Mountain Estates get?
About 184 inches in a normal winter, most of it in April.
When is the first frost in Bonanza Mountain Estates?
In half of years the first 32° night comes by September 16, and the last spring frost by June 5.
What is the rainiest month in Bonanza Mountain Estates?
April, with 2.7 inches of rain and melted snow. The year totals 20 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Bonanza Mountain Estates itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Ward 4.6 Ne, CO (9 mi, snow) and Coal Creek Canyon, CO (8 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.