Bonanza Mountain Estates gets about 184 inches of snow a winter, more than all but 30 U.S. towns
July afternoons average 76°. Only 60° separates winter nights from summer afternoons. Summers stay cool: July afternoons here are cooler than in 98% of U.S. towns. Garden planting can start around May 24; autumn frost returns near September 23.
A year in Bonanza Mountain Estates at a glance
Each month’s typical high and low, and what it brings.
What stands out about Bonanza Mountain Estates’ climate
Compared with towns across the U.S., with Bonanza Mountain Estates’ place in Colorado beside it.
What a year in Bonanza Mountain Estates feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 120 frost-free days a year
In half of years the last 32° night comes by May 24 and the first by September 23. Frost and day counts come from NOAA’s station at Gross Reservoir, CO, 7 miles from the town’s center, 480 ft lower.
The 2023 USDA map puts Bonanza Mountain Estates’ center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −11°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 184 inches of snow a winter
Snow, measured at Ward 4.6 Ne, CO, falls mostly in April. Precipitation (rain plus melted snow) adds up to 20 inches a year; April is the wettest month and January the driest. Rain or snow falls on about 140 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Bonanza Mountain Estates
99% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from September through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Gross Reservoir, CO.
Living with Bonanza Mountain Estates’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
120 frost-free days in zone 5b. The last frost comes by May 24 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 23.
Months with highs of 62–84° and lows of 40° or more: June, July and August.
Parks & trails →Of the yearly building losses FEMA expects in Bonanza Mountain Estates from natural hazards, wildfire is the largest share (47%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Bonanza Mountain Estates and similar climates
TownRatings has no climate map of the towns around Bonanza Mountain Estates yet.
Climates most like Bonanza Mountain Estates’, 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 |
|---|---|---|---|---|
| Bonanza Mountain Estates, CO | 16° | 76° | 20" | 184" |
| Snyderville, UT | 18° | 80° | 26" | 153" |
| South Lake Tahoe, CA | 22° | 81° | 19" | 179" |
| Petoskey, MI | 16° | 76° | 35" | 124" |
| Lewistown, MT | 12° | 82° | 18" | 112" |
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 Bonanza Mountain Estates averaged 1.2° warmer than the 1900s. The biggest change is in March (+2.9°).
A smaller shift than in 63% 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 Bonanza Mountain Estates compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bonanza Mountain Estates’ place among Colorado’s.
Bonanza Mountain Estates weather by month
Highs, lows and precipitation from NOAA’s grid at Bonanza Mountain Estates’ center; snow, wet days and snow on the ground from Ward 4.6 Ne, CO. 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" | 0.0" | 15 | 0 | 59° – 67° |
| August | 74° | 46° | 2.2" | 0.0" | 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 |
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 41°. August is the most reliable, staying within 8°.
Where Bonanza Mountain Estates’ 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 Bonanza Mountain Estates’ center.
- Snow: Ward 4.6 Ne, CO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Gross Reservoir, CO, 7 miles from the town’s center, 480 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- 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 Bonanza Mountain Estates’ climate
What is the weather like in Bonanza Mountain Estates?
A typical July afternoon reaches 76°, a January night drops to 16°, and about 184 inches of snow falls in a normal winter. Colder January nights than 80% of U.S. towns; cooler July afternoons than 98% of U.S. towns.
How cold does it get in Bonanza Mountain Estates in winter?
February nights average 16°. About 188 nights a year reach 32° or below and 8 reach 0° or below. In the coldest February of the last 30 years the month averaged 23°.
How much snow does Bonanza Mountain Estates get?
About 184 inches in a normal winter at Ward 4.6 Ne, CO, most of it in April, with snow on the ground about 169 days a year.
How hot does it get in Bonanza Mountain Estates?
July, with a typical high of 76° and a low of 48°. About 3 days a year reach 90° (Gross Reservoir, CO).
When is the first and last frost in Bonanza Mountain Estates?
In half of years the last spring frost (32°) comes by May 24 and the first fall frost by September 23, about 120 frost-free days, at Gross Reservoir, CO.
What growing zone is Bonanza Mountain Estates in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −11°.
What is the best time of year to visit Bonanza Mountain Estates?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July and August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Bonanza Mountain Estates getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 63% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Bonanza Mountain Estates.
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.