Helena weather in June: Helena, Montana: normal highs, lows, rain and records for June
Helena in June has a normal high of 75°F and a normal low of 49°F, a daily mean of 62°F, rising from 71°F on the 1st to 80°F by the 30th. Measurable precipitation falls on 12 days in a normal June, 2.21 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 9°C, 56 mm of precipitation in June.
- NOAA stationHelena Regional Airport
- Station IDUSW00024144
- Location46.61°N 111.96°W
- Elevation3,828 ft (1,167 m)
- From the center3 miles
- Population34,729
- Jan 32° 14°
- Feb 37° 17°
- Mar 48° 25°
- Apr 57° 32°
- May 66° 42°
- Jun 75° 49°
- Jul 86° 55°
- Aug 85° 53°
- Sep 73° 45°
- Oct 58° 34°
- Nov 43° 23°
- Dec 33° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Helena in June?
The normal high is 75°F and the normal low 49°F, for a daily mean of 61.7°F. June is 7.8°F warmer than May and 8.9°F cooler than July. June is the 3rd warmest month of the year in Helena and the wettest. Across the month the normal high rises 9°F, from 71°F on June 1 to 80°F on June 30. From one year to the next June's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Junes in three average between 59°F and 65°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| June 1 | 71°F | 46°F | 41% | 21% |
| June 8 | 72°F | 47°F | 40% | 21% |
| June 15 | 74°F | 49°F | 38% | 20% |
| June 22 | 77°F | 50°F | 35% | 17% |
| June 30 | 80°F | 52°F | 32% | 15% |
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| June 1 | 71°F | 46°F | 41% | 21% | 15 h 30 min |
| June 2 | 71°F | 46°F | 41% | 21% | 15 h 40 min |
| June 3 | 71°F | 46°F | 41% | 21% | 15 h 40 min |
| June 4 | 71°F | 47°F | 41% | 21% | 15 h 40 min |
| June 5 | 71°F | 47°F | 41% | 21% | 15 h 40 min |
| June 6 | 72°F | 47°F | 41% | 21% | 15 h 40 min |
| June 7 | 72°F | 47°F | 41% | 21% | 15 h 40 min |
| June 8 | 72°F | 47°F | 40% | 21% | 15 h 40 min |
| June 9 | 72°F | 47°F | 40% | 21% | 15 h 40 min |
| June 10 | 73°F | 48°F | 40% | 21% | 15 h 40 min |
| June 11 | 73°F | 48°F | 40% | 21% | 15 h 50 min |
| June 12 | 73°F | 48°F | 39% | 21% | 15 h 50 min |
| June 13 | 74°F | 48°F | 39% | 20% | 15 h 50 min |
| June 14 | 74°F | 48°F | 39% | 20% | 15 h 50 min |
| June 15 | 74°F | 49°F | 38% | 20% | 15 h 50 min |
| June 16 | 74°F | 49°F | 38% | 20% | 15 h 50 min |
| June 17 | 75°F | 49°F | 37% | 19% | 15 h 50 min |
| June 18 | 75°F | 49°F | 37% | 19% | 15 h 50 min |
| June 19 | 76°F | 49°F | 37% | 18% | 15 h 50 min |
| June 20 | 76°F | 50°F | 36% | 18% | 15 h 50 min |
| June 21 | 76°F | 50°F | 36% | 18% | 15 h 50 min |
| June 22 | 77°F | 50°F | 35% | 17% | 15 h 50 min |
| June 23 | 77°F | 50°F | 35% | 17% | 15 h 50 min |
| June 24 | 78°F | 50°F | 34% | 17% | 15 h 50 min |
| June 25 | 78°F | 51°F | 34% | 16% | 15 h 50 min |
| June 26 | 78°F | 51°F | 34% | 16% | 15 h 50 min |
| June 27 | 79°F | 51°F | 33% | 16% | 15 h 50 min |
| June 28 | 79°F | 51°F | 33% | 15% | 15 h 50 min |
| June 29 | 80°F | 52°F | 32% | 15% | 15 h 50 min |
| June 30 | 80°F | 52°F | 32% | 15% | 15 h 50 min |
- Normal high
- 75°FJune average
- Normal low
- 49°FJune average
- Precipitation
- 2.21 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 15 h 30 min to 15 h 50 minJune 1 to June 30
- Days at 70°F or more
- 21
- Days at 80°F or more
- 11
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024144; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Helena in June?
On a given June day the chance of 0.01 inch or more is 37% on average, highest around June 1 (41%). In all, 2.21 in falls on 12 days of a normal June.
In a normal June in Helena, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024144.
How humid and windy is Helena in June?
At 3 p.m. the normal temperature is 78°F with 28% relative humidity and a dew point of 43°F; at 6 a.m. it is 56°F with 66% humidity. The wind averages 7.5 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 56°F | 45°F | 66% | 3.5 mph | 76% |
| 9 a.m. | 66°F | 45°F | 48% | 5.5 mph | 77% |
| noon | 75°F | 44°F | 34% | 9.1 mph | 75% |
| 3 p.m. | 78°F | 43°F | 28% | 11.6 mph | 72% |
| 6 p.m. | 76°F | 43°F | 30% | 11.3 mph | 72% |
| 9 p.m. | 67°F | 44°F | 43% | 7.6 mph | 75% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024144. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for June in Helena?
The warmest June temperature on Helena's official record (since 1880) is 104°F, on June 14, 2021; the coldest is 30°F, on June 13, 1969. The wettest June brought 5.63 in (1892); the snowiest, 2.7 inches (1969).
The June mean against the 1991-2020 normal of 61.7°F: 2021 69.4°F (+7.7), 2022 62.9°F (+1.2), 2023 63.7°F (+2.0), 2024 64.3°F (+2.6), 2025 62.7°F (+1.0), 2026 59.6°F (−2.1). 5 of 6 ran warmer than normal.
| June | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.4°F | +7.7°F | 0.41 in |
| 2022 | 62.9°F | +1.2°F | 1.18 in |
| 2023 | 63.7°F | +2.0°F | 2.97 in |
| 2024 | 64.3°F | +2.6°F | 0.95 in |
| 2025 | 62.7°F | +1.0°F | 0.93 in |
| 2026 | 59.6°F | −2.1°F | 2.30 in |
Source: records: ACIS, NWS threaded record HLNthr; recent months: ACIS, station USW00024144. Records and recent months use complete months only.
How does June in Helena compare across Montana?
Across the 141 places PlainClimate covers in Montana, June normal highs run from 63°F in St. Mary to 81°F in Broadus; Helena's is 75°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.