Helena climate

Helena Weather in June

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

Average highs run from 71°F on June 1 to 80°F on June 30, and lows from 46°F to 52°F. Normal precipitation for the month is 2.21 in over about 12 wet days.

June 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.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
75°F
Average low
49°F
Precipitation
2.21 in
Record high
104°FJun 14, 2021
Record low
30°FJun 10, 1999
Chance of a freeze
2%
Days of 90°F or more
2.4
Daylight
15 h 35 min to 15 h 47 min
Cloud cover
62%
Humidity
65%
Dew point
41°F
Wind
6.0 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
Jun 171°F46°F91°F 197733°F 197941%0%
Jun 271°F46°F92°F 202133°F 193941%0%
Jun 371°F46°F94°F 202131°F 195141%0%
Jun 471°F47°F97°F 198831°F 199841%0%
Jun 571°F47°F90°F 200033°F 195141%0%
Jun 672°F47°F91°F 201633°F 194341%0%
Jun 772°F47°F96°F 200031°F 199541%0%
Jun 872°F47°F93°F 201532°F 195040%0%
Jun 972°F47°F95°F 201533°F 199940%0%
Jun 1073°F48°F94°F 195630°F 199940%0%
Jun 1173°F48°F89°F 197934°F 193840%0%
Jun 1273°F48°F93°F 195933°F 196939%0%
Jun 1374°F48°F95°F 202130°F 196939%0%
Jun 1474°F48°F104°F 202134°F 196939%0%
Jun 1574°F49°F94°F 202135°F 194538%0%
Jun 1674°F49°F93°F 196136°F 194938%0%
Jun 1775°F49°F97°F 198634°F 195437%0%
Jun 1875°F49°F94°F 196133°F 194937%0%
Jun 1976°F49°F93°F 197436°F 197237%0%
Jun 2076°F50°F94°F 196136°F 199536%0%
Jun 2176°F50°F92°F 194533°F 194236%0%
Jun 2277°F50°F96°F 194134°F 194235%0%
Jun 2377°F50°F98°F 194135°F 199735%0%
Jun 2478°F50°F98°F 201239°F 193934%0%
Jun 2578°F51°F100°F 198836°F 199734%0%
Jun 2678°F51°F98°F 201537°F 195134%0%
Jun 2779°F51°F103°F 201537°F 195133%0%
Jun 2879°F51°F102°F 201535°F 197533%0%
Jun 2980°F52°F100°F 201533°F 197132%0%
Jun 3080°F52°F100°F 202134°F 194932%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.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

June 1
sunrise 5:39 AM, sunset 9:14 PM
June 30
sunrise 5:38 AM, sunset 9:25 PM

Every day of June: 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.