Helena climate

Helena Weather in April

NOAA 1991-2020 normals for Helena Rgnl AP, 5.7 km from Helena

Average highs run from 53°F on April 1 to 61°F on April 30, and lows from 29°F to 36°F. Normal precipitation for the month is 1.02 in over about 9 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 Helena, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
57°F
Average low
32°F
Precipitation
1.02 in
Snowfall
2.9 in
Record high
86°FApr 28, 1939
Record low
1°FApr 2, 1954
Chance of a freeze
100%
Daylight
12 h 50 min to 14 h 22 min
Cloud cover
71%
Humidity
70%
Dew point
27°F
Wind
6.9 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°F29°F75°F 19665°F 193826%10%
Apr 253°F29°F76°F 19901°F 195426%9%
Apr 353°F30°F76°F 19929°F 200226%9%
Apr 454°F30°F75°F 196010°F 195026%9%
Apr 554°F30°F77°F 19609°F 197526%9%
Apr 654°F30°F75°F 19885°F 197527%9%
Apr 754°F30°F76°F 200514°F 196427%9%
Apr 855°F31°F80°F 202210°F 198227%8%
Apr 955°F31°F79°F 199612°F 195927%8%
Apr 1055°F31°F78°F 202313°F 197527%8%
Apr 1155°F31°F76°F 19496°F 194027%8%
Apr 1256°F31°F78°F 20249°F 199728%8%
Apr 1356°F32°F77°F 194012°F 198628%7%
Apr 1456°F32°F78°F 196310°F 198628%7%
Apr 1556°F32°F78°F 198412°F 199928%7%
Apr 1657°F32°F80°F 199415°F 202228%7%
Apr 1757°F33°F80°F 199412°F 196428%6%
Apr 1857°F33°F79°F 19469°F 195128%6%
Apr 1958°F33°F85°F 19627°F 195129%6%
Apr 2058°F33°F85°F 19809°F 200829%6%
Apr 2158°F34°F82°F 19426°F 200829%6%
Apr 2259°F34°F82°F 201217°F 195129%5%
Apr 2359°F34°F83°F 201218°F 197229%5%
Apr 2459°F34°F80°F 197716°F 200929%5%
Apr 2560°F35°F85°F 194621°F 195929%5%
Apr 2660°F35°F81°F 194621°F 196130%5%
Apr 2760°F35°F83°F 198722°F 195430%5%
Apr 2861°F36°F86°F 193919°F 195430%4%
Apr 2961°F36°F86°F 199214°F 195430%4%
Apr 3061°F36°F83°F 198719°F 195431%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Helena, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

April 1
sunrise 7:07 AM, sunset 7:57 PM
April 30
sunrise 6:15 AM, sunset 8:37 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024144 (Helena Rgnl AP), public domain. Records: NOAA GHCN-Daily, station USW00024144, 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.