Photo: Neurosynthetic · CC BY-SA 4.0Cheyenne reaches 100° on about 14 days a year, more than 93% of U.S. towns
On a normal January night the air cools to about 24°. It is a dry place: less rain and snow fall here than on 87% of U.S. towns. Compared with 1901–2000, the average now sits 0.9° higher. The frost-free window for a garden runs roughly April 3 to November 3.
A year in Cheyenne at a glance
Each month’s typical high and low, and what it brings.
What stands out about Cheyenne’s climate
Compared with towns across the U.S., with Cheyenne’s place in Oklahoma beside it.
What a year in Cheyenne feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 212 frost-free days a year
In half of years the last 32° night comes by April 3 and the first by November 3. Frost and day counts come from NOAA’s station at Cheyenne 6sw Mesonet, OK, 5 miles from the town’s center, 320 ft higher.
The 2023 USDA map puts Cheyenne’s center in zone 7a: 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 7 inches of snow a winter
Snow, measured at Hammon 3 Ssw, OK, falls mostly in December. Precipitation (rain plus melted snow) adds up to 25 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 51 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Cheyenne
67% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Cheyenne 6sw Mesonet, OK.
Living with Cheyenne’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
212 frost-free days in zone 7a. The last frost comes by Apr 3 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 3.
Months with highs of 62–84° and lows of 40° or more: April, May and October.
Parks & trails →Of the yearly building losses FEMA expects in Cheyenne from natural hazards, drought is the largest share (30%); heat waves, cold waves, winter storms and ice storms together are 14%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Cheyenne and similar climates
TownRatings has no climate map of the towns around Cheyenne yet.
Climates most like Cheyenne’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 |
|---|---|---|---|---|
| Cheyenne, OK | 24° | 95° | 25" | 7.1" |
| Lubbock, TX | 27° | 93° | 19" | 7.0" |
| Hutchinson, KS | 21° | 93° | 31" | 6.9" |
| Portales, NM | 25° | 93° | 16" | 7.6" |
| Central Point, OR | 32° | 93° | 22" | 3.4" |
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 Cheyenne averaged 0.9° warmer than the 1900s. The biggest change is in March (+2.5°).
A smaller shift than in 82% 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 Cheyenne compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Cheyenne’s place among Oklahoma’s.
Cheyenne weather by month
Highs, lows and precipitation from NOAA’s grid at Cheyenne’s center; snow, wet days and snow on the ground from Hammon 3 Ssw, OK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 51° | 24° | 0.8" | 1.8" | 3 | 32° – 46° |
| February | 55° | 28° | 0.8" | 1.2" | 2 | 34° – 49° |
| March | 64° | 37° | 1.7" | 1.8" | 4 | 44° – 58° |
| April | 73° | 44° | 2.4" | 0.0" | 4 | 52° – 65° |
| May | 81° | 55° | 3.7" | 0.0" | 6 | 63° – 76° |
| June | 90° | 64° | 3.4" | 0.0" | 7 | 73° – 84° |
| July | 95° | 69° | 2.4" | 0.0" | 4 | 78° – 89° |
| August | 94° | 67° | 2.8" | 0.0" | 5 | 74° – 87° |
| September | 85° | 59° | 2.4" | 0.0" | 5 | 68° – 80° |
| October | 74° | 47° | 2.2" | 0.0" | 4 | 54° – 66° |
| November | 61° | 34° | 1.2" | 0.0" | 3 | 42° – 55° |
| December | 51° | 26° | 1.1" | 2.3" | 3 | 31° – 42° |
| Year | 73° | 46° | 24.7" | 7.1" | 51 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 34° to 49°. July is the most reliable, staying within 11°.
Where Cheyenne’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 Cheyenne’s center.
- Snow: Hammon 3 Ssw, OK.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Cheyenne 6sw Mesonet, OK, 5 miles from the town’s center, 320 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 Cheyenne’s climate
What is the weather like in Cheyenne?
A typical July afternoon reaches 95°, a January night drops to 24°, and about 7 inches of snow falls in a normal winter. Milder January nights than 61% of U.S. towns; hotter July afternoons than 95% of U.S. towns.
How cold does it get in Cheyenne in winter?
January nights average 24°. About 80 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 32°.
How much snow does Cheyenne get?
About 7.1 inches in a normal winter at Hammon 3 Ssw, OK, most of it in December.
How hot does it get in Cheyenne?
July, with a typical high of 95° and a low of 69°. About 77 days a year reach 90° and 14 reach 100° (Cheyenne 6sw Mesonet, OK).
When is the first and last frost in Cheyenne?
In half of years the last spring frost (32°) comes by April 3 and the first fall frost by November 3, about 212 frost-free days, at Cheyenne 6sw Mesonet, OK.
What growing zone is Cheyenne in?
Zone 7a 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 Cheyenne?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Cheyenne getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Cheyenne.
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.