Great Falls weather in June: Great Falls, Montana: normal highs, lows, rain and records for June
Great Falls in June has a normal high of 73°F and a normal low of 46°F, a daily mean of 59°F, rising from 69°F on the 1st to 78°F by the 30th. Measurable precipitation falls on 12 days in a normal June, 2.72 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 8°C, 69 mm of precipitation and 1 cm of snow in June.
- NOAA stationGreat Falls Airport
- Station IDUSW00024143
- Location47.47°N 111.38°W
- Elevation3,664 ft (1,117 m)
- From the center4 miles
- Population60,013
- Jan 35° 15°
- Feb 37° 15°
- Mar 46° 22°
- Apr 55° 30°
- May 65° 38°
- Jun 73° 46°
- Jul 84° 51°
- Aug 83° 50°
- Sep 72° 43°
- Oct 57° 33°
- Nov 44° 24°
- Dec 36° 16°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Great Falls in June?
The normal high is 73°F and the normal low 46°F, for a daily mean of 59.4°F. June is 7.9°F warmer than May and 8.5°F cooler than July. June is the 3rd warmest month of the year in Great Falls and the wettest. Across the month the normal high rises 9°F, from 69°F on June 1 to 78°F on June 30. From one year to the next June's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Junes in three average between 57°F and 62°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 | 69°F | 43°F | 41% | 23% |
| June 8 | 70°F | 45°F | 41% | 23% |
| June 15 | 72°F | 46°F | 39% | 21% |
| June 22 | 75°F | 47°F | 36% | 18% |
| June 30 | 78°F | 48°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 | 69°F | 43°F | 41% | 23% | 15 h 40 min |
| June 2 | 69°F | 44°F | 41% | 23% | 15 h 40 min |
| June 3 | 69°F | 44°F | 41% | 23% | 15 h 40 min |
| June 4 | 70°F | 44°F | 41% | 23% | 15 h 50 min |
| June 5 | 70°F | 44°F | 41% | 23% | 15 h 50 min |
| June 6 | 70°F | 44°F | 41% | 23% | 15 h 50 min |
| June 7 | 70°F | 45°F | 41% | 23% | 15 h 50 min |
| June 8 | 70°F | 45°F | 41% | 23% | 15 h 50 min |
| June 9 | 71°F | 45°F | 41% | 23% | 15 h 50 min |
| June 10 | 71°F | 45°F | 40% | 22% | 15 h 50 min |
| June 11 | 71°F | 45°F | 40% | 22% | 15 h 50 min |
| June 12 | 71°F | 45°F | 40% | 22% | 15 h 50 min |
| June 13 | 72°F | 46°F | 40% | 21% | 15 h 50 min |
| June 14 | 72°F | 46°F | 39% | 21% | 16 h |
| June 15 | 72°F | 46°F | 39% | 21% | 16 h |
| June 16 | 73°F | 46°F | 38% | 20% | 16 h |
| June 17 | 73°F | 46°F | 38% | 20% | 16 h |
| June 18 | 73°F | 46°F | 38% | 19% | 16 h |
| June 19 | 74°F | 46°F | 37% | 19% | 16 h |
| June 20 | 74°F | 47°F | 37% | 19% | 16 h |
| June 21 | 74°F | 47°F | 36% | 18% | 16 h |
| June 22 | 75°F | 47°F | 36% | 18% | 16 h |
| June 23 | 75°F | 47°F | 35% | 17% | 16 h |
| June 24 | 76°F | 47°F | 35% | 17% | 16 h |
| June 25 | 76°F | 47°F | 34% | 17% | 16 h |
| June 26 | 76°F | 48°F | 34% | 16% | 16 h |
| June 27 | 77°F | 48°F | 33% | 16% | 16 h |
| June 28 | 77°F | 48°F | 33% | 16% | 16 h |
| June 29 | 78°F | 48°F | 32% | 15% | 16 h |
| June 30 | 78°F | 48°F | 32% | 15% | 16 h |
- Normal high
- 73°FJune average
- Normal low
- 46°FJune average
- Precipitation
- 2.72 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 0.3 inmonth total
- Days at 90°F or more
- 1
- Daylight
- 15 h 40 min to 16 hJune 1 to June 30
- Days at 70°F or more
- 20
- Days at 80°F or more
- 8
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024143; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Great Falls in June?
On a given June day the chance of 0.01 inch or more is 38% on average, highest around June 1 (41%). In all, 2.72 in falls on 12 days of a normal June.
In a normal June in Great Falls, 1 days reach 90°F and snowfall averages 0.3 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024143.
How humid and windy is Great Falls in June?
At 3 p.m. the normal temperature is 77°F with 31% relative humidity and a dew point of 43°F; at 6 a.m. it is 56°F with 71% humidity. The wind averages 9.1 mph, most often from the west 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 | 46°F | 71% | 7.1 mph | 74% |
| 9 a.m. | 66°F | 47°F | 49% | 9.1 mph | 72% |
| noon | 73°F | 45°F | 36% | 9.6 mph | 67% |
| 3 p.m. | 77°F | 43°F | 31% | 10.8 mph | 66% |
| 6 p.m. | 74°F | 44°F | 34% | 11.5 mph | 66% |
| 9 p.m. | 63°F | 46°F | 53% | 8.8 mph | 67% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024143. 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 Great Falls?
The warmest June temperature on Great Falls's official record (since 1891) is 102°F, on June 21, 1900; the coldest is 31°F, on June 8, 1950. The wettest June brought 8.01 in (1923); the snowiest, 11.1 inches (1950).
The June mean against the 1991-2020 normal of 59.4°F: 2021 64.9°F (+5.5), 2022 59.4°F (at normal), 2023 60.3°F (+0.9), 2024 59.0°F (−0.4), 2025 61.0°F (+1.6), 2026 57.4°F (−2.0). 3 of 6 ran warmer than normal.
| June | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.9°F | +5.5°F | 0.45 in |
| 2022 | 59.4°F | at normal | 1.67 in |
| 2023 | 60.3°F | +0.9°F | 3.39 in |
| 2024 | 59.0°F | −0.4°F | 2.24 in |
| 2025 | 61.0°F | +1.6°F | 1.47 in |
| 2026 | 57.4°F | −2.0°F | 4.94 in |
Source: records: ACIS, NWS threaded record GTFthr; recent months: ACIS, station USW00024143. Records and recent months use complete months only.
How does June in Great Falls 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; Great Falls's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.