East Longs Peak Trail-Longs Peak Trail-Keyhole Route-Shelf Trail · Photo: Benwildeboer at en.wikipedia · CC BY-SA 3.0Allenspark gets about 118 inches of snow a winter, more than all but 146 U.S. towns
Expect July afternoons of about 76°. Summers stay cool: July afternoons here are cooler than in 98% of U.S. towns. Warming shows here too: 1.6° more than in 1901–2000, led by March. Radiators earn their keep from October to May, the months that average under 50°.
A year in Allenspark at a glance
Each month’s typical high and low, and what it brings.
What stands out about Allenspark’s climate
Compared with towns across the U.S., with Allenspark’s place in Colorado beside it.
What a year in Allenspark feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 92 frost-free days a year
In half of years the last 32° night comes by June 14 and the first by September 12. Frost and day counts come from NOAA’s station at Allenspark 3nw, CO, 0.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts Allenspark’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −12°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 118 inches of snow a winter
Snow, measured at Estes Park 1.8 S, CO, falls mostly in April. Precipitation (rain plus melted snow) adds up to 22 inches a year; April is the wettest month and December the driest. Rain or snow falls on about 119 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Allenspark
Nearly all of the work is heating: a normal year has almost no cooling days. 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 Allenspark 3nw, CO.
Living with Allenspark’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
92 frost-free days in zone 5b. The last frost comes by Jun 14 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 12.
Months with highs of 62–84° and lows of 40° or more: June, July and August. 15 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Allenspark from natural hazards, avalanches are the largest share (38%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Allenspark and similar climates
TownRatings has no climate map of the towns around Allenspark yet.
Climates most like Allenspark’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 |
|---|---|---|---|---|
| Allenspark, CO | 16° | 76° | 22" | 118" |
| Marquette, MI | 11° | 76° | 32" | 102" |
| Snyderville, UT | 18° | 80° | 26" | 153" |
| Greece, NY | 19° | 79° | 34" | 102" |
| 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 Allenspark averaged 1.6° warmer than the 1900s. The biggest change is in March (+3.5°).
A bigger shift than in 67% 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 Allenspark compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Allenspark’s place among Colorado’s.
Allenspark weather by month
Highs, lows and precipitation from NOAA’s grid at Allenspark’s center; snow, wet days and snow on the ground from Estes Park 1.8 S, CO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 35° | 16° | 1.1" | 9.5" | 7 | 21° – 31° |
| February | 36° | 16° | 1.1" | 14.9" | 10 | 21° – 32° |
| March | 43° | 21° | 2.0" | 16.9" | 9 | 27° – 38° |
| April | 49° | 26° | 3.0" | 26.2" | 11 | 32° – 43° |
| May | 58° | 34° | 3.0" | 13.4" | 13 | 40° – 50° |
| June | 70° | 41° | 1.9" | 0.0" | 9 | 52° – 61° |
| July | 76° | 48° | 2.5" | 0.0" | 15 | 58° – 66° |
| August | 73° | 46° | 2.2" | 0.0" | 13 | 56° – 63° |
| September | 66° | 39° | 1.8" | 0.6" | 8 | 48° – 57° |
| October | 55° | 30° | 1.5" | 11.3" | 8 | 36° – 48° |
| November | 42° | 22° | 1.3" | 10.8" | 7 | 24° – 39° |
| December | 35° | 16° | 1.0" | 14.4" | 9 | 19° – 30° |
| Year | 53° | 30° | 22.4" | 118.0" | 119 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 24° to 39°. August is the most reliable, staying within 8°.
Where Allenspark’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 Allenspark’s center.
- Snow: Estes Park 1.8 S, CO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Allenspark 3nw, CO, 0.2 miles from the town’s center, at about the same height; 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 Allenspark’s climate
What is the weather like in Allenspark?
A typical July afternoon reaches 76°, a January night drops to 16°, and about 118 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 Allenspark in winter?
December nights average 16°. About 225 nights a year reach 32° or below and 12 reach 0° or below. In the coldest December of the last 30 years the month averaged 19°.
How much snow does Allenspark get?
About 118 inches in a normal winter at Estes Park 1.8 S, CO, most of it in April.
How hot does it get in Allenspark?
July, with a typical high of 76°. 90° days are rare: none in a normal year at Allenspark 3nw, CO.
When is the first and last frost in Allenspark?
In half of years the last spring frost (32°) comes by June 14 and the first fall frost by September 12, about 92 frost-free days, at Allenspark 3nw, CO.
What growing zone is Allenspark in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −12°.
What is the best time of year to visit Allenspark?
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 Allenspark getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 67% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Allenspark.
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.