Helena climate

Helena Weather in April

NOAA 1991-2020 normals for Helena, 2.8 km from Helena

Average highs run from 73°F on April 1 to 79°F on April 30, and lows from 48°F to 55°F. Normal precipitation for the month is 5.18 in over about 10 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.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
76°F
Average low
51°F
Precipitation
5.18 in
Record high
92°FApr 18, 2006
Record low
29°FApr 8, 2007
Chance of a freeze
24%
Daylight
12 h 33 min to 13 h 29 min
Cloud cover
55%
Humidity
79%
Dew point
54°F
Wind
4.9 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 173°F48°F86°F 201234°F 200436%0%
Apr 273°F48°F89°F 201232°F 202136%0%
Apr 373°F49°F85°F 201132°F 202136%0%
Apr 473°F49°F86°F 201737°F 202136%0%
Apr 574°F49°F89°F 201035°F 201835%0%
Apr 674°F49°F89°F 201035°F 201135%0%
Apr 774°F49°F84°F 200630°F 200735%0%
Apr 874°F49°F84°F 201129°F 200735%0%
Apr 975°F50°F89°F 201138°F 201634%0%
Apr 1075°F50°F88°F 201938°F 200734%0%
Apr 1175°F50°F87°F 201937°F 202034%0%
Apr 1275°F50°F86°F 202138°F 201234%0%
Apr 1376°F50°F89°F 201738°F 200833%0%
Apr 1476°F51°F87°F 201738°F 200433%0%
Apr 1576°F51°F88°F 200634°F 200833%0%
Apr 1676°F51°F88°F 201034°F 200733%0%
Apr 1777°F51°F87°F 201336°F 201832%0%
Apr 1877°F52°F92°F 200644°F 200832%0%
Apr 1977°F52°F89°F 200642°F 201332%0%
Apr 2077°F52°F89°F 200635°F 201332%0%
Apr 2177°F52°F87°F 201738°F 201932%0%
Apr 2278°F53°F86°F 200835°F 202132%0%
Apr 2378°F53°F90°F 200942°F 201231%0%
Apr 2478°F53°F89°F 200935°F 200531%0%
Apr 2578°F53°F90°F 200936°F 200531%0%
Apr 2679°F54°F87°F 200941°F 201331%0%
Apr 2779°F54°F85°F 200941°F 202031%0%
Apr 2879°F54°F88°F 201741°F 200431%0%
Apr 2979°F55°F90°F 201245°F 201031%0%
Apr 3079°F55°F91°F 201240°F 200830%0%

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 (CDT).

April 1
sunrise 6:35 AM, sunset 7:08 PM
April 30
sunrise 6:00 AM, sunset 7:29 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00013781 (Helena), public domain. Records: NOAA GHCN-Daily, station USC00013781, 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.