Photo: User:Swampyank · CC BY-SA 3.0Cody’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 85°, a January night drops to 14°, and about 45 inches of snow falls in a normal winter.
A year in Cody at a glance
Each month’s typical high and low, and what it brings.
What stands out about Cody’s climate
Compared with towns across the U.S., with Cody’s place in Wyoming beside it.
What a year in Cody feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 140 frost-free days a year
In half of years the last 32° night comes by May 12 and the first by October 1. Frost and day counts come from NOAA’s station at Cody, WY, 2.9 miles from the town’s center, 240 ft higher.
The 2023 USDA map puts Cody’s center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −16°. 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 45 inches of snow a winter
Snow, measured at Cody, WY, falls mostly in January, February and December. Precipitation (rain plus melted snow) adds up to 11 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 72 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Cody
94% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October 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 Cody, WY.
Living with Cody’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
140 frost-free days in zone 5a. The last frost comes by May 12 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: June, August and September. 16 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Cody from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 36%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Cody and similar climates
TownRatings has no climate map of the towns around Cody yet.
Climates most like Cody’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 |
|---|---|---|---|---|
| Cody, WY | 14° | 85° | 11" | 45" |
| Helena Valley Northwest, MT | 15° | 85° | 11" | 37" |
| Salida, CO | 10° | 85° | 8" | 37" |
| Rigby, ID | 12° | 85° | 12" | 66" |
| Los Alamos, NM | 19° | 85° | 15" | 42" |
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 Cody averaged 1.7° warmer than the 1900s. The biggest change is in January (+4.6°).
A bigger shift than in 69% 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 Cody compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Cody’s place among Wyoming’s.
Cody weather by month
Highs, lows and precipitation from NOAA’s grid at Cody’s center; snow, wet days and snow on the ground from Cody, WY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 38° | 14° | 0.3" | 7.3" | 3 | 7 | 19° – 33° |
| February | 39° | 16° | 0.4" | 7.5" | 4 | 5 | 14° – 37° |
| March | 49° | 24° | 0.5" | 5.8" | 5 | 3 | 28° – 43° |
| April | 56° | 30° | 1.3" | 5.9" | 8 | 2 | 37° – 47° |
| May | 66° | 40° | 2.1" | 0.8" | 10 | 0 | 48° – 58° |
| June | 76° | 48° | 1.6" | 0.0" | 9 | 0 | 54° – 68° |
| July | 85° | 54° | 0.9" | 0.0" | 7 | 0 | 60° – 74° |
| August | 83° | 52° | 0.8" | 0.0" | 7 | 0 | 62° – 72° |
| September | 73° | 43° | 1.1" | 0.4" | 6 | 0 | 54° – 64° |
| October | 59° | 32° | 1.0" | 3.4" | 6 | 1 | 37° – 51° |
| November | 46° | 22° | 0.5" | 6.4" | 4 | 4 | 24° – 44° |
| December | 37° | 14° | 0.4" | 7.5" | 4 | 6 | 18° – 31° |
| Year | 59° | 32° | 10.8" | 45.0" | 72 | 29 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 14° to 37°. May is the most reliable, staying within 10°.
Where Cody’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 Cody’s center.
- Snow: Cody, WY.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Cody, WY, 2.9 miles from the town’s center, 240 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 Cody’s climate
What is the weather like in Cody?
A typical July afternoon reaches 85°, a January night drops to 14°, and about 45 inches of snow falls in a normal winter. Colder January nights than 86% of U.S. towns; cooler July afternoons than 54% of U.S. towns.
How cold does it get in Cody in winter?
January nights average 14°. About 153 nights a year reach 32° or below and 12 reach 0° or below. In the coldest January of the last 30 years the month averaged 19°.
How much snow does Cody get?
About 45 inches in a normal winter at Cody, WY, most of it in January, February and December, with snow on the ground about 29 days a year.
How hot does it get in Cody?
July, with a typical high of 85° and a low of 54°. About 16 days a year reach 90° (Cody, WY).
When is the first and last frost in Cody?
In half of years the last spring frost (32°) comes by May 12 and the first fall frost by October 1, about 140 frost-free days, at Cody, WY.
What growing zone is Cody in?
Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −16°.
What is the best time of year to visit Cody?
By one simple rule (highs of 62–84° and lows of 40° or more), June, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Cody getting warmer?
Yes: 1991–2020 averaged 1.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 69% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Cody.
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.