Green Mountain Falls has cold, snowy winters and pleasant summers, with very little rain
A typical July afternoon reaches 77°, a January night drops to 12°, and about 55 inches of snow falls in a normal winter.
A year in Green Mountain Falls at a glance
Each month’s typical high and low, and what it brings.
What stands out about Green Mountain Falls’s climate
Read from where Green Mountain Falls sits among Colorado’s towns. The page puts what stands out first.
55 inches of snow, 22 of rain and melt
July is the wettest month and January the driest. Rain or snow falls on about 99 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Warmer than it used to be
The last 30 years in Green Mountain Falls averaged 1.0° warmer than the 1900s. The biggest change is in March (+2.9°).
A smaller shift than in 67% of U.S. towns.
Change by month
Living with Green Mountain Falls’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
102 frost-free days. The last frost comes by Jun 3 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 17.
About 55" a winter over 17 days with an inch or more, most in February.
Months averaging under 55° run from September through May. Heating is 100% of the year’s heating-and-cooling load.
90° days are rare: July afternoons average 77°.
The nicest months are June, July and August. 3.2 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →What a year in Green Mountain Falls feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 102 frost-free days a year
In half of years the last 32° night comes by June 3 and the first by September 17.
Freezing nights by month
Average nights at or below 32°
How Green Mountain Falls compares
Against every U.S. town on TownTapestry, each counted once, with its place in Colorado.
Green Mountain Falls 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 39° | 12° | 0.8" | 6.6" | 6 | 19° – 32° |
| February | 40° | 13° | 1.0" | 11.7" | 7 | 20° – 33° |
| March | 46° | 19° | 1.9" | 7.5" | 7 | 28° – 39° |
| April | 52° | 24° | 2.7" | 8.7" | 8 | 32° – 43° |
| May | 61° | 33° | 2.4" | 1.9" | 12 | 40° – 51° |
| June | 72° | 41° | 1.9" | 0 | 9 | 52° – 61° |
| July | 77° | 47° | 3.2" | 0 | 14 | 58° – 65° |
| August | 74° | 46° | 3.0" | 0 | 14 | 56° – 64° |
| September | 68° | 39° | 1.8" | 0 | 7 | 48° – 59° |
| October | 57° | 29° | 1.3" | 4.6" | 6 | 37° – 48° |
| November | 47° | 19° | 1.1" | 5.9" | 4 | 25° – 40° |
| December | 39° | 12° | 1.0" | 8.3" | 6 | 19° – 30° |
| Year | 56° | 28° | 22.1" | 55.2" | 99 |
Heating and cooling a home in Green Mountain Falls
100% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 25° to 40°. July is the most reliable, staying within 7°.
Common questions about Green Mountain Falls’s climate
What is the coldest month in Green Mountain Falls?
December, with a typical high of 39° and a low of 12°.
What is the hottest month in Green Mountain Falls?
July, with a typical high of 77° and a low of 47°.
How much snow does Green Mountain Falls get?
About 55 inches in a normal winter, most of it in February.
When is the first frost in Green Mountain Falls?
In half of years the first 32° night comes by September 17, and the last spring frost by June 3.
What is the rainiest month in Green Mountain Falls?
July, with 3.2 inches of rain and melted snow. The year totals 22 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Green Mountain Falls.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Green Mountain Falls itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Colorado Springs 5.7 Wnw, CO (9 mi, snow) and Ruxton Park, CO (7 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. Today’s forecast: National Weather Service.