Bison climate

Bison Weather in April

NOAA 1991-2020 normals for Bison, 1 km from Bison

Average highs run from 53°F on April 1 to 62°F on April 30, and lows from 27°F to 36°F. Normal precipitation for the month is 1.76 in over about 6 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Bison, in °F, with the record for each date.-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
57°F
Average low
32°F
Precipitation
1.76 in
Snowfall
5.4 in
Record high
90°FApr 24, 2012
Record low
-14°FApr 8, 1997
Chance of a freeze
100%
Daylight
12 h 48 min to 14 h 17 min
Cloud cover
65%
Humidity
61%
Dew point
29°F
Wind
12.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 153°F27°F86°F 2012-10°F 201416%8%
Apr 253°F28°F73°F 20218°F 200216%7%
Apr 353°F28°F77°F 2021-7°F 202016%7%
Apr 454°F28°F79°F 20214°F 201816%7%
Apr 554°F28°F74°F 200610°F 202317%7%
Apr 654°F29°F71°F 20022°F 199717%7%
Apr 755°F29°F77°F 2005-3°F 199717%7%
Apr 855°F29°F80°F 2005-14°F 199717%7%
Apr 955°F30°F81°F 20163°F 199717%6%
Apr 1056°F30°F80°F 20238°F 199718%6%
Apr 1156°F30°F89°F 20234°F 199718%6%
Apr 1256°F30°F82°F 200311°F 199718%6%
Apr 1357°F31°F85°F 20036°F 202018%6%
Apr 1457°F31°F81°F 20159°F 202019%6%
Apr 1557°F31°F81°F 20067°F 202219%6%
Apr 1658°F32°F76°F 20062°F 202219%5%
Apr 1758°F32°F81°F 200512°F 202620%5%
Apr 1858°F32°F76°F 200510°F 202620%5%
Apr 1959°F32°F77°F 201911°F 202520%5%
Apr 2059°F33°F78°F 20266°F 201120%5%
Apr 2159°F33°F79°F 202611°F 202121%5%
Apr 2260°F33°F86°F 20269°F 201321%4%
Apr 2360°F34°F87°F 201212°F 201321%4%
Apr 2460°F34°F90°F 201221°F 200621%4%
Apr 2561°F34°F80°F 201215°F 200221%4%
Apr 2661°F35°F77°F 200118°F 201922%4%
Apr 2761°F35°F86°F 200116°F 201722%4%
Apr 2862°F36°F90°F 200116°F 200522%3%
Apr 2962°F36°F80°F 201815°F 200522%3%
Apr 3062°F36°F84°F 202118°F 200522%3%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bison, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

April 1
sunrise 6:30 AM, sunset 7:18 PM
April 30
sunrise 5:39 AM, sunset 7:56 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00390701 (Bison), public domain. Records: NOAA GHCN-Daily, station USW00094038, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.