Photo: Jeffrey Beall · CC BY 3.0Eldorado Springs gets about 93 inches of snow a winter, more than 97% of U.S. towns
Sunny July days climb to about 87°. It is a dry place: less rain and snow fall here than on 90% of U.S. towns. The latest 30-year average runs 1.1° warmer than 1901–2000’s, with March up the most. The outdoor season, with highs of 70–81°, runs through May, June and September.
A year in Eldorado Springs at a glance
Each month’s typical high and low, and what it brings.
What stands out about Eldorado Springs’ climate
Compared with towns across the U.S., with Eldorado Springs’ place in Colorado beside it.
What a year in Eldorado Springs feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 151 frost-free days a year
In half of years the last 32° night comes by May 6 and the first by October 5. Frost and day counts come from NOAA’s station at Boulder, CO, 4 miles from the town’s center, 260 ft lower.
The 2023 USDA map puts Eldorado Springs’ center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −7°. 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 93 inches of snow a winter
Snow, measured at Boulder 1.6 S, CO, falls mostly in February. Precipitation (rain plus melted snow) adds up to 19 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 93 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Eldorado Springs
90% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Boulder, CO.
Living with Eldorado Springs’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
151 frost-free days in zone 6a. The last frost comes by May 6 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 5.
Months with highs of 62–84° and lows of 40° or more: May, June and September. 10 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Eldorado Springs from natural hazards, avalanches are the largest share (41%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Eldorado Springs and similar climates
TownRatings has no climate map of the towns around Eldorado Springs yet.
Climates most like Eldorado Springs’, 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 |
|---|---|---|---|---|
| Eldorado Springs, CO | 19° | 87° | 19" | 93" |
| Alpine, UT | 21° | 88° | 24" | 74" |
| Pocatello, ID | 19° | 87° | 15" | 64" |
| Flagstaff, AZ | 16° | 84° | 18" | 90" |
| Casper, WY | 15° | 89° | 12" | 82" |
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 Eldorado Springs averaged 1.1° warmer than the 1900s. The biggest change is in March (+3.0°).
A smaller shift than in 71% 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 Eldorado Springs compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Eldorado Springs’ place among Colorado’s.
Eldorado Springs weather by month
Highs, lows and precipitation from NOAA’s grid at Eldorado Springs’ center; snow, wet days and snow on the ground from Boulder 1.6 S, CO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 46° | 19° | 0.7" | 11.2" | 6 | 25° – 39° |
| February | 47° | 20° | 0.9" | 19.0" | 7 | 28° – 40° |
| March | 55° | 27° | 1.8" | 15.4" | 7 | 35° – 47° |
| April | 61° | 33° | 2.7" | 13.2" | 9 | 41° – 52° |
| May | 70° | 42° | 2.8" | 2.2" | 12 | 50° – 60° |
| June | 81° | 50° | 1.8" | 0.0" | 9 | 61° – 71° |
| July | 87° | 56° | 1.8" | 0.0" | 10 | 68° – 76° |
| August | 85° | 54° | 1.8" | 0.0" | 9 | 65° – 73° |
| September | 78° | 46° | 1.5" | 0.4" | 7 | 56° – 66° |
| October | 65° | 35° | 1.4" | 7.1" | 7 | 43° – 56° |
| November | 53° | 26° | 1.0" | 9.3" | 5 | 31° – 46° |
| December | 45° | 19° | 0.7" | 14.9" | 6 | 25° – 36° |
| Year | 64° | 35° | 18.9" | 92.7" | 93 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 31° to 46°. August is the most reliable, staying within 8°.
Where Eldorado Springs’ 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 Eldorado Springs’ center.
- Snow: Boulder 1.6 S, CO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Boulder, CO, 4 miles from the town’s center, 260 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 Eldorado Springs’ climate
What is the weather like in Eldorado Springs?
A typical July afternoon reaches 87°, a January night drops to 19°, and about 93 inches of snow falls in a normal winter. Colder January nights than 65% of U.S. towns; hotter July afternoons than 63% of U.S. towns.
How cold does it get in Eldorado Springs in winter?
December nights average 19°. About 138 nights a year reach 32° or below and 4 reach 0° or below. In the coldest December of the last 30 years the month averaged 25°.
How much snow does Eldorado Springs get?
About 93 inches in a normal winter at Boulder 1.6 S, CO, most of it in February.
How hot does it get in Eldorado Springs?
July, with a typical high of 87° and a low of 56°. About 33 days a year reach 90° (Boulder, CO).
When is the first and last frost in Eldorado Springs?
In half of years the last spring frost (32°) comes by May 6 and the first fall frost by October 5, about 151 frost-free days, at Boulder, CO.
What growing zone is Eldorado Springs in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −7°.
What is the best time of year to visit Eldorado Springs?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Eldorado Springs getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 71% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Eldorado Springs.
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.