Cody, WY climate
Cody has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 85°, a January night drops to 14°, and about 45 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Cody feels like
Winter
Spring
Summer
Fall
Cody weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 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 | 9 | 0 | 54° – 68° |
| July | 85° | 54° | 0.9" | 0 | 7 | 0 | 60° – 74° |
| August | 83° | 52° | 0.8" | 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 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Cody
Cody gets 11 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 72 days a year. Snow covers the ground about 29 days of the year.
About 140 frost-free days a year
In half of years the last 32° night comes by May 12 and the first one by October 1. That leaves about 140 frost-free days for gardens, shorter than 89% of U.S. towns.
Heating and cooling a home in Cody
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Cody, 94% of that work is heating and 6% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Cody compares
Compared with every U.S. town and city on TownTapestry, each counted once.
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°). The shift is larger than in 79% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Cody’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 14° to 37°. May is the most reliable, staying within 10°.
Common questions about Cody’s climate
What is the coldest month in Cody?
January, with a typical high of 38° and a low of 14°.
What is the hottest month in Cody?
July, with a typical high of 85° and a low of 54°. About 16 days a year reach 90°.
How much snow does Cody get?
About 45 inches in a normal winter, most of it in February.
When is the first frost in Cody?
In half of years the first 32° night comes by October 1, and the last spring frost by May 12.
What is the rainiest month in Cody?
May, with 2.1 inches of rain and melted snow. The year totals 11 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Cody itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cody, WY (3 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.