Skip to content
VSWeather

Casper, WY vs Cheyenne, WY weather comparison

Casper

WY

Casper picks up around 19 more inches of snow each winter.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Casper, WY and Cheyenne, WY
CasperMetricCheyenne
256 daysSunny daysclear or partly cloudy skies254 days
16 inPrecipitationper year18 in
96 daysWet daysrain or snow per year101 days
83 inSnowfallper year64 in
32 daysHot daysabove 90 °F13 days
160 daysFreezing nightsat or below 32 °F170 days
57%Humidityaverage relative53%
47 °FAverage temperatureyear round47 °F

Monthly temperatures

Average daily high and low for each month, in °F. The gap between the two lines is what an ordinary day feels like across the year.

CasperCheyenne

Daily highs

406080JanMarMayJulSepNovCasper, Jan: 38 °FCasper, Feb: 39 °FCasper, Mar: 49 °FCasper, Apr: 56 °FCasper, May: 66 °FCasper, Jun: 79 °FCasper, Jul: 88 °FCasper, Aug: 86 °FCasper, Sep: 76 °FCasper, Oct: 60 °FCasper, Nov: 48 °FCasper, Dec: 37 °FCheyenne, Jan: 40 °FCheyenne, Feb: 41 °FCheyenne, Mar: 49 °FCheyenne, Apr: 55 °FCheyenne, May: 64 °FCheyenne, Jun: 76 °FCheyenne, Jul: 84 °FCheyenne, Aug: 82 °FCheyenne, Sep: 73 °FCheyenne, Oct: 59 °FCheyenne, Nov: 48 °FCheyenne, Dec: 40 °F

Daily lows

204060JanMarMayJulSepNovCasper, Jan: 16 °FCasper, Feb: 17 °FCasper, Mar: 25 °FCasper, Apr: 31 °FCasper, May: 40 °FCasper, Jun: 50 °FCasper, Jul: 57 °FCasper, Aug: 55 °FCasper, Sep: 44 °FCasper, Oct: 34 °FCasper, Nov: 25 °FCasper, Dec: 17 °FCheyenne, Jan: 18 °FCheyenne, Feb: 18 °FCheyenne, Mar: 25 °FCheyenne, Apr: 30 °FCheyenne, May: 40 °FCheyenne, Jun: 49 °FCheyenne, Jul: 56 °FCheyenne, Aug: 54 °FCheyenne, Sep: 46 °FCheyenne, Oct: 33 °FCheyenne, Nov: 24 °FCheyenne, Dec: 18 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Casper high383949566679888676604837
Cheyenne high404149556476848273594840
Casper low161725314050575544342517
Cheyenne low181825304049565446332418

Monthly precipitation

Total rain plus melted snow for each month, in inches. Taller bars mean wetter months.

CasperCheyenne
0.01.02.03.0JanMarMayJulSepNovCasper, Jan: 0.8 inCasper, Feb: 1.0 inCasper, Mar: 1.5 inCasper, Apr: 2.3 inCasper, May: 2.7 inCasper, Jun: 1.4 inCasper, Jul: 0.7 inCasper, Aug: 0.6 inCasper, Sep: 1.1 inCasper, Oct: 1.8 inCasper, Nov: 1.1 inCasper, Dec: 0.9 inCheyenne, Jan: 0.5 inCheyenne, Feb: 0.7 inCheyenne, Mar: 1.4 inCheyenne, Apr: 2.4 inCheyenne, May: 3.0 inCheyenne, Jun: 2.1 inCheyenne, Jul: 1.6 inCheyenne, Aug: 1.5 inCheyenne, Sep: 1.5 inCheyenne, Oct: 1.5 inCheyenne, Nov: 0.8 inCheyenne, Dec: 0.7 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Casper0.81.01.52.32.71.40.70.61.11.81.10.9
Cheyenne0.50.71.42.43.02.11.61.51.51.50.80.7

Monthly sunny days

Days each month with clear or partly cloudy skies, so compare the same month between cities.

CasperCheyenne
01020JanMarMayJulSepNovCasper, Jan: 20 daysCasper, Feb: 18 daysCasper, Mar: 19 daysCasper, Apr: 17 daysCasper, May: 18 daysCasper, Jun: 24 daysCasper, Jul: 27 daysCasper, Aug: 26 daysCasper, Sep: 25 daysCasper, Oct: 22 daysCasper, Nov: 21 daysCasper, Dec: 21 daysCheyenne, Jan: 22 daysCheyenne, Feb: 18 daysCheyenne, Mar: 20 daysCheyenne, Apr: 17 daysCheyenne, May: 18 daysCheyenne, Jun: 22 daysCheyenne, Jul: 25 daysCheyenne, Aug: 24 daysCheyenne, Sep: 23 daysCheyenne, Oct: 22 daysCheyenne, Nov: 22 daysCheyenne, Dec: 22 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Casper201819171824272625222121
Cheyenne221820171822252423222222

Keep comparing

Nearby cities and popular picks for each side of this matchup. Any two cities can be compared from the home page.

About this data

Every figure on this page is a 30 year average computed from daily climate history for 1991-2020, using each city's own coordinates. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).