Photo: Jeffrey Beall · CC BY 4.0Redvale is drier than 93% of U.S. towns: 15 inches of precipitation a year
July afternoons average 88°. By January nights alone, it runs colder than 83% of U.S. towns. Decade by decade the climate has edged up, 2.4° above 1901–2000. Keep the boiler serviced for the months from October to April, which average under 50°.
A year in Redvale at a glance
Each month’s typical high and low, and what it brings.
What stands out about Redvale’s climate
Compared with towns across the U.S., with Redvale’s place in Colorado beside it.
What a year in Redvale feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 128 frost-free days a year
In half of years the last 32° night comes by May 25 and the first by October 1. Frost and day counts come from Norwood, CO, 8 miles away.
The 2023 USDA map puts Redvale’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −5°. 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 60 inches of snow a winter
Snow, measured at Norwood, CO, falls mostly in January and November. Precipitation (rain plus melted snow) adds up to 15 inches a year; September is the wettest month and June the driest. Rain or snow falls on about 69 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Redvale
96% 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 Norwood, CO.
Living with Redvale’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
128 frost-free days in zone 6b. The last frost comes by May 25 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 1.
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 Redvale from natural hazards, river flooding is the largest share (68%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Redvale and similar climates
TownRatings has no climate map of the towns around Redvale yet.
Climates most like Redvale’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 |
|---|---|---|---|---|
| Redvale, CO | 15° | 88° | 15" | 60" |
| Preston, ID | 14° | 89° | 15" | 52" |
| Billings, MT | 15° | 89° | 14" | 48" |
| Douglas, WY | 12° | 88° | 13" | 59" |
| Smithfield, UT | 15° | 89° | 18" | 62" |
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 Redvale averaged 2.4° warmer than the 1900s. The biggest change is in March (+3.9°).
A bigger shift than in all but 104 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 Redvale compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Redvale’s place among Colorado’s.
Redvale weather by month
Highs, lows and precipitation from NOAA’s grid at Redvale’s center; snow, wet days and snow on the ground from Norwood, CO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 41° | 15° | 1.1" | 12.0" | 5 | 21° – 35° |
| February | 45° | 20° | 1.1" | 10.4" | 5 | 28° – 40° |
| March | 54° | 27° | 1.2" | 8.0" | 5 | 36° – 46° |
| April | 61° | 32° | 1.1" | 4.2" | 5 | 42° – 52° |
| May | 71° | 41° | 1.3" | 0.6" | 5 | 50° – 60° |
| June | 83° | 49° | 0.6" | 0.0" | 3 | 61° – 71° |
| July | 88° | 55° | 1.3" | 0.0" | 8 | 67° – 76° |
| August | 85° | 54° | 1.6" | 0.0" | 10 | 66° – 74° |
| September | 77° | 45° | 1.7" | 0.2" | 8 | 56° – 65° |
| October | 64° | 34° | 1.5" | 2.1" | 6 | 44° – 54° |
| November | 51° | 24° | 1.2" | 11.9" | 5 | 30° – 45° |
| December | 41° | 16° | 1.1" | 10.4" | 4 | 23° – 34° |
| Year | 63° | 34° | 14.7" | 59.8" | 69 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 30° to 45°. August is the most reliable, staying within 8°.
Where Redvale’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 Redvale’s center.
- Snow: Norwood, CO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Norwood, CO, 8 miles from the town’s center, 610 ft higher; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
- 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 Redvale’s climate
What is the weather like in Redvale?
A typical July afternoon reaches 88°, a January night drops to 15°, and about 60 inches of snow falls in a normal winter. Colder January nights than 83% of U.S. towns; hotter July afternoons than 69% of U.S. towns.
How cold does it get in Redvale in winter?
January nights average 15°. About 183 nights a year reach 32° or below and 10 reach 0° or below. In the coldest January of the last 30 years the month averaged 21°.
How much snow does Redvale get?
About 60 inches in a normal winter at Norwood, CO, most of it in January and November.
How hot does it get in Redvale?
July, with a typical high of 88° and a low of 55°. About 9 days a year reach 90° (Norwood, CO).
When is the first and last frost in Redvale?
In half of years the last spring frost (32°) comes by May 25 and the first fall frost by October 1, about 128 frost-free days, at Norwood, CO.
What growing zone is Redvale in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −5°.
What is the best time of year to visit Redvale?
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 Redvale getting warmer?
Yes: 1991–2020 averaged 2.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than all but 104 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Redvale.
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.