Lewistown weather in June: Lewistown, Montana: normal highs, lows, rain and records for June
Lewistown in June has a normal high of 71°F and a normal low of 45°F, a daily mean of 58°F, rising from 67°F on the 1st to 76°F by the 30th. Measurable precipitation falls on 14 days in a normal June, 3.35 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 22°C and low of 7°C, 85 mm of precipitation in June.
- NOAA stationLewistown Municipal Airport
- Station IDUSW00024036
- Location47.05°N 109.46°W
- Elevation4,145 ft (1,263 m)
- Population6,204
- Jan 34° 13°
- Feb 35° 14°
- Mar 44° 21°
- Apr 53° 29°
- May 63° 37°
- Jun 71° 45°
- Jul 82° 51°
- Aug 81° 50°
- Sep 70° 42°
- Oct 56° 31°
- Nov 43° 21°
- Dec 35° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lewistown in June?
The normal high is 71°F and the normal low 45°F, for a daily mean of 58.0°F. June is 8.0°F warmer than May and 8.1°F cooler than July. June is the 3rd warmest month of the year in Lewistown and the wettest. Across the month the normal high rises 9°F, from 67°F on June 1 to 76°F on June 30. From one year to the next June's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Junes in three average between 56°F and 60°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 48%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| June 1 | 67°F | 43°F | 48% | 27% |
| June 8 | 69°F | 44°F | 48% | 27% |
| June 15 | 71°F | 45°F | 46% | 26% |
| June 22 | 73°F | 46°F | 43% | 24% |
| June 30 | 76°F | 48°F | 40% | 22% |
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 | 67°F | 43°F | 48% | 27% | 15 h 40 min |
| June 2 | 67°F | 43°F | 48% | 27% | 15 h 40 min |
| June 3 | 68°F | 43°F | 48% | 27% | 15 h 40 min |
| June 4 | 68°F | 43°F | 48% | 27% | 15 h 40 min |
| June 5 | 68°F | 43°F | 48% | 27% | 15 h 40 min |
| June 6 | 68°F | 44°F | 48% | 27% | 15 h 40 min |
| June 7 | 68°F | 44°F | 48% | 27% | 15 h 50 min |
| June 8 | 69°F | 44°F | 48% | 27% | 15 h 50 min |
| June 9 | 69°F | 44°F | 47% | 27% | 15 h 50 min |
| June 10 | 69°F | 44°F | 47% | 27% | 15 h 50 min |
| June 11 | 69°F | 44°F | 47% | 27% | 15 h 50 min |
| June 12 | 70°F | 45°F | 47% | 27% | 15 h 50 min |
| June 13 | 70°F | 45°F | 47% | 26% | 15 h 50 min |
| June 14 | 70°F | 45°F | 46% | 26% | 15 h 50 min |
| June 15 | 71°F | 45°F | 46% | 26% | 15 h 50 min |
| June 16 | 71°F | 45°F | 46% | 26% | 15 h 50 min |
| June 17 | 71°F | 45°F | 45% | 26% | 15 h 50 min |
| June 18 | 71°F | 46°F | 45% | 25% | 15 h 50 min |
| June 19 | 72°F | 46°F | 45% | 25% | 15 h 50 min |
| June 20 | 72°F | 46°F | 44% | 25% | 15 h 50 min |
| June 21 | 73°F | 46°F | 44% | 24% | 15 h 50 min |
| June 22 | 73°F | 46°F | 43% | 24% | 15 h 50 min |
| June 23 | 73°F | 46°F | 43% | 24% | 15 h 50 min |
| June 24 | 74°F | 47°F | 43% | 23% | 15 h 50 min |
| June 25 | 74°F | 47°F | 42% | 23% | 15 h 50 min |
| June 26 | 74°F | 47°F | 42% | 23% | 15 h 50 min |
| June 27 | 75°F | 47°F | 41% | 23% | 15 h 50 min |
| June 28 | 75°F | 47°F | 41% | 22% | 15 h 50 min |
| June 29 | 76°F | 47°F | 41% | 22% | 15 h 50 min |
| June 30 | 76°F | 48°F | 40% | 22% | 15 h 50 min |
- Normal high
- 71°FJune average
- Normal low
- 45°FJune average
- Precipitation
- 3.35 inmonth total
- Days with precipitation
- 140.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 15 h 40 min to 15 h 50 minJune 1 to June 30
- Days at 70°F or more
- 17
- Days at 80°F or more
- 5
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024036; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lewistown in June?
On a given June day the chance of 0.01 inch or more is 45% on average, highest around June 1 (48%). In all, 3.35 in falls on 14 days of a normal June.
In a normal June in Lewistown, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024036.
How humid and windy is Lewistown in June?
At 3 p.m. the normal temperature is 74°F with 37% relative humidity and a dew point of 46°F; at 6 a.m. it is 54°F with 73% humidity. The wind averages 7.7 mph, most often from the north-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. | 54°F | 46°F | 73% | 5.7 mph | – |
| 9 a.m. | 66°F | 47°F | 49% | 7.1 mph | – |
| noon | 72°F | 46°F | 39% | 8.7 mph | – |
| 3 p.m. | 74°F | 46°F | 37% | 9.6 mph | – |
| 6 p.m. | 71°F | 47°F | 41% | 9.5 mph | – |
| 9 p.m. | 61°F | 48°F | 60% | 7.4 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024036. 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 Lewistown?
The warmest June temperature on this station's record (since 1896) is 105°F, on June 21, 1900; the coldest is 23°F, on June 13, 1969. The wettest June brought 10.96 in (1944); the snowiest, 7.0 inches (1954).
The June mean against the 1991-2020 normal of 58.0°F: 2021 64.5°F (+6.5), 2022 57.9°F (−0.1), 2023 58.5°F (+0.5), 2024 57.0°F (−1.0), 2025 58.1°F (+0.1), 2026 55.4°F (−2.6). 3 of 6 ran warmer than normal.
| June | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.5°F | +6.5°F | 1.08 in |
| 2022 | 57.9°F | −0.1°F | 2.09 in |
| 2023 | 58.5°F | +0.5°F | 5.24 in |
| 2024 | 57.0°F | −1.0°F | 2.79 in |
| 2025 | 58.1°F | +0.1°F | 2.93 in |
| 2026 | 55.4°F | −2.6°F | 4.01 in |
Source: records: ACIS, station USW00024036; recent months: ACIS, station USW00024036. Records and recent months use complete months only.
How does June in Lewistown 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; Lewistown's is 71°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.