Dewey County climate

Dewey County Weather in April

NOAA 1991-2020 normals for Timber Lake, 34.1 km from Dewey County

Average highs run from 52°F on April 1 to 63°F on April 30, and lows from 27°F to 37°F. Normal precipitation for the month is 1.83 in over about 8 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 Dewey County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
58°F
Average low
32°F
Precipitation
1.83 in
Snowfall
5.2 in
Record high
93°FApr 13, 2003
Record low
1°FApr 4, 2018
Chance of a freeze
100%
Daylight
12 h 48 min to 14 h 14 min
Cloud cover
65%
Humidity
62%
Dew point
31°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 152°F27°F87°F 20123°F 201422%11%
Apr 253°F28°F80°F 202115°F 200922%10%
Apr 353°F28°F81°F 20214°F 201823%10%
Apr 453°F28°F84°F 20211°F 201823%10%
Apr 554°F29°F79°F 20067°F 202323%10%
Apr 654°F29°F76°F 20022°F 202323%10%
Apr 755°F29°F80°F 20172°F 200823%9%
Apr 855°F30°F77°F 200510°F 200724%9%
Apr 955°F30°F81°F 201416°F 201324%9%
Apr 1056°F30°F79°F 200615°F 201224%9%
Apr 1156°F30°F90°F 202320°F 201225%8%
Apr 1257°F31°F80°F 200314°F 200425%8%
Apr 1357°F31°F93°F 200315°F 201425%8%
Apr 1457°F31°F84°F 201513°F 201425%7%
Apr 1558°F32°F88°F 200815°F 201126%7%
Apr 1658°F32°F79°F 202614°F 202026%7%
Apr 1758°F32°F78°F 200514°F 200126%6%
Apr 1859°F33°F82°F 200521°F 201327%6%
Apr 1959°F33°F76°F 201917°F 202127%6%
Apr 2059°F33°F88°F 201917°F 202127%6%
Apr 2160°F34°F80°F 202017°F 202128%5%
Apr 2260°F34°F92°F 202617°F 201328%5%
Apr 2361°F34°F89°F 200913°F 201328%5%
Apr 2461°F35°F87°F 201217°F 202128%4%
Apr 2561°F35°F82°F 200121°F 200629%4%
Apr 2662°F35°F78°F 200122°F 202629%4%
Apr 2762°F36°F87°F 200426°F 200829%4%
Apr 2862°F36°F89°F 200121°F 200829%3%
Apr 2963°F37°F84°F 200120°F 200530%3%
Apr 3063°F37°F82°F 201524°F 202630%3%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dewey County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

April 1
sunrise 6:24 AM, sunset 7:12 PM
April 30
sunrise 5:34 AM, sunset 7:48 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00398307 (Timber Lake), public domain. Records: NOAA GHCN-Daily, station USW00094052, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.