Photo: Jeffrey Beall · CC BY 4.0Stonewall Gap gets about 105 inches of snow a winter, more than 98% of U.S. towns
The warmest part of a July day comes in at 80° on average. Summers stay cool: July afternoons here are cooler than in 91% of U.S. towns. The latest 30-year average runs 1.5° warmer than 1901–2000’s, with March up the most. Radiators earn their keep from October to April, the months that average under 50°.
A year in Stonewall Gap at a glance
Each month’s typical high and low, and what it brings.
What stands out about Stonewall Gap’s climate
Compared with towns across the U.S., with Stonewall Gap’s place in Colorado beside it.
What a year in Stonewall Gap feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 105 inches of snow a winter
Snow, measured at Aguilar 18wsw, CO, falls mostly in March. Precipitation (rain plus melted snow) adds up to 18 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 89 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Living with Stonewall Gap’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 6a.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September.
Parks & trails →Of the yearly building losses FEMA expects in Stonewall Gap from natural hazards, river flooding is the largest share (48%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Stonewall Gap and similar climates
TownRatings has no climate map of the towns around Stonewall Gap yet.
Climates most like Stonewall Gap’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Stonewall Gap, CO | 15° | 80° | 18" | 105" |
| Lewistown, MT | 12° | 82° | 18" | 112" |
| Flagstaff, AZ | 16° | 84° | 18" | 90" |
| Park City, UT | 18° | 81° | 23" | 153" |
| Jackson, WY | 6° | 80° | 19" | 78" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Stonewall Gap averaged 1.5° warmer than the 1900s. The biggest change is in March (+3.0°).
A bigger shift than in 60% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Stonewall Gap compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Stonewall Gap’s place among Colorado’s.
Stonewall Gap weather by month
Highs, lows and precipitation from NOAA’s grid at Stonewall Gap’s center; snow, wet days and snow on the ground from Aguilar 18wsw, CO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 43° | 15° | 0.8" | 14.4" | 5 | 22 | 23° – 35° |
| February | 44° | 17° | 0.6" | 14.5" | 6 | 22 | 25° – 37° |
| March | 51° | 23° | 1.2" | 21.0" | 7 | 18 | 33° – 42° |
| April | 58° | 28° | 1.4" | 18.3" | 8 | 9 | 38° – 48° |
| May | 67° | 36° | 1.6" | 4.5" | 7 | 2 | 47° – 56° |
| June | 77° | 45° | 1.2" | 0.0" | 7 | 0 | 56° – 65° |
| July | 80° | 49° | 3.5" | 0.0" | 14 | 0 | 62° – 69° |
| August | 77° | 48° | 3.2" | 0.0" | 12 | 0 | 59° – 66° |
| September | 72° | 41° | 1.5" | 0.6" | 7 | 0 | 51° – 61° |
| October | 62° | 31° | 1.2" | 7.8" | 6 | 3 | 42° – 52° |
| November | 50° | 22° | 0.8" | 9.6" | 4 | 9 | 28° – 43° |
| December | 42° | 15° | 0.9" | 14.1" | 5 | 18 | 23° – 34° |
| Year | 60° | 31° | 17.8" | 104.8" | 89 | 102 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 28° to 43°. July is the most reliable, staying within 7°.
Where Stonewall Gap’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Stonewall Gap’s center.
- Snow: Aguilar 18wsw, CO.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Stonewall Gap’s climate
What is the weather like in Stonewall Gap?
A typical July afternoon reaches 80°, a January night drops to 15°, and about 105 inches of snow falls in a normal winter. Colder January nights than 85% of U.S. towns; cooler July afternoons than 91% of U.S. towns.
How cold does it get in Stonewall Gap in winter?
January nights average 15°. In the coldest January of the last 30 years the month averaged 23°.
How much snow does Stonewall Gap get?
About 105 inches in a normal winter at Aguilar 18wsw, CO, most of it in March, with snow on the ground about 102 days a year.
How hot does it get in Stonewall Gap?
July, with a typical high of 80°. 90° days are rare.
What growing zone is Stonewall Gap in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −10°.
What is the best time of year to visit Stonewall Gap?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Stonewall Gap getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 60% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Stonewall Gap.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.