Photo: Don O'Brien from Piketon, Ohio, United States · CC BY 2.0Valmont gets about 85 inches of snow a winter, more than 96% of U.S. towns
A typical July afternoon reaches 89°, a January night drops to 18°, and about 85 inches of snow falls in a normal winter.
A year in Valmont at a glance
Each month’s typical high and low, and what it brings.
What stands out about Valmont’s climate
Compared with towns across the U.S., with Valmont’s place in Colorado beside it.
What a year in Valmont 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, 300 ft higher.
The 2023 USDA map puts Valmont’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −8°. 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 85 inches of snow a winter
Snow, measured at Boulder 2.9 S, CO, falls mostly in February. Precipitation (rain plus melted snow) adds up to 18 inches a year; May is the wettest month and December the driest. Rain or snow falls on about 94 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Valmont
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 Valmont’s 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.
Parks & trails →Of the yearly building losses FEMA expects in Valmont from natural hazards, river flooding is the largest share (72%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Valmont and its neighbors
Every town next door is within a degree of Valmont in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Valmont’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 |
|---|---|---|---|---|
| Valmont, CO | 18° | 89° | 18" | 85" |
| Midway, UT | 13° | 88° | 16" | 75" |
| Casper, WY | 15° | 89° | 12" | 82" |
| Pocatello, ID | 19° | 87° | 15" | 64" |
| Chadron, NE | 14° | 89° | 18" | 50" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Valmont averaged 1.3° warmer than the 1900s. The biggest change is in March (+3.2°).
A smaller shift than in 57% 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 Valmont compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Valmont’s place among Colorado’s.
Valmont weather by month
Highs, lows and precipitation from NOAA’s grid at Valmont’s center; snow, wet days and snow on the ground from Boulder 2.9 S, CO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 46° | 18° | 0.6" | 10.2" | 6 | 24° – 38° |
| February | 48° | 20° | 0.8" | 17.4" | 8 | 28° – 41° |
| March | 56° | 27° | 1.6" | 13.6" | 7 | 36° – 48° |
| April | 63° | 33° | 2.5" | 11.9" | 8 | 42° – 53° |
| May | 72° | 42° | 2.7" | 2.5" | 12 | 51° – 61° |
| June | 83° | 51° | 1.8" | 0.0" | 9 | 63° – 73° |
| July | 89° | 57° | 1.7" | 0.0" | 10 | 69° – 77° |
| August | 87° | 55° | 1.7" | 0.0" | 10 | 67° – 74° |
| September | 79° | 47° | 1.4" | 0.0" | 7 | 58° – 67° |
| October | 66° | 35° | 1.3" | 6.9" | 7 | 43° – 57° |
| November | 54° | 25° | 1.0" | 8.5" | 5 | 31° – 47° |
| December | 46° | 18° | 0.6" | 14.2" | 6 | 25° – 35° |
| Year | 66° | 36° | 17.7" | 85.2" | 94 |
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 47°. August is the most reliable, staying within 8°.
Where Valmont’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 Valmont’s center.
- Snow: Boulder 2.9 S, CO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Boulder, CO, 4 miles from the town’s center, 300 ft higher; 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 Valmont’s climate
What is the weather like in Valmont?
A typical July afternoon reaches 89°, a January night drops to 18°, and about 85 inches of snow falls in a normal winter. Colder January nights than 72% of U.S. towns; hotter July afternoons than 73% of U.S. towns.
How cold does it get in Valmont in winter?
January nights average 18°. About 138 nights a year reach 32° or below and 4 reach 0° or below. In the coldest January of the last 30 years the month averaged 24°.
How much snow does Valmont get?
About 85 inches in a normal winter at Boulder 2.9 S, CO, most of it in February.
How hot does it get in Valmont?
July, with a typical high of 89° and a low of 57°. About 33 days a year reach 90° (Boulder, CO).
When is the first and last frost in Valmont?
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 Valmont in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −8°.
What is the best time of year to visit Valmont?
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 Valmont getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 57% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Valmont.
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.