Lewistown weather in February: Lewistown, Montana: normal highs, lows, rain and records for February
Lewistown in February has a normal high of 35°F and a normal low of 14°F, a daily mean of 25°F, rising from 34°F on the 1st to 38°F by the 29th. Measurable precipitation falls on 8 days in a normal February, 0.49 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 2°C and low of −10°C, 12 mm of precipitation in February.
- 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 February?
The normal high is 35°F and the normal low 14°F, for a daily mean of 24.6°F. February is 0.9°F warmer than January and 8.3°F cooler than March. February is the 10th warmest month of the year in Lewistown and the 12th wettest. Across the month the normal high rises 4°F, from 34°F on February 1 to 38°F on February 29. From one year to the next February's mean temperature typically moves about 7.9°F either way (NOAA's standard deviation), so roughly two Februarys in three average between 17°F and 33°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 28%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| February 1 | 34°F | 13°F | 26% | 6% |
| February 8 | 34°F | 13°F | 27% | 6% |
| February 15 | 35°F | 14°F | 27% | 6% |
| February 22 | 36°F | 15°F | 28% | 6% |
| February 28 | 38°F | 16°F | 28% | 6% |
Every day of February: normal high, low and chance of precipitation (warmest afternoon February 29, coldest night February 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| February 1 | 34°F | 13°F | 26% | 6% | 9 h 30 min |
| February 2 | 34°F | 13°F | 26% | 6% | 9 h 40 min |
| February 3 | 34°F | 13°F | 26% | 6% | 9 h 40 min |
| February 4 | 34°F | 13°F | 26% | 6% | 9 h 40 min |
| February 5 | 34°F | 13°F | 27% | 6% | 9 h 50 min |
| February 6 | 34°F | 13°F | 27% | 6% | 9 h 50 min |
| February 7 | 34°F | 13°F | 27% | 6% | 9 h 50 min |
| February 8 | 34°F | 13°F | 27% | 6% | 9 h 50 min |
| February 9 | 34°F | 13°F | 27% | 6% | 10 h |
| February 10 | 34°F | 13°F | 27% | 6% | 10 h |
| February 11 | 34°F | 13°F | 27% | 6% | 10 h |
| February 12 | 35°F | 13°F | 27% | 6% | 10 h 10 min |
| February 13 | 35°F | 13°F | 27% | 6% | 10 h 10 min |
| February 14 | 35°F | 13°F | 27% | 6% | 10 h 10 min |
| February 15 | 35°F | 14°F | 27% | 6% | 10 h 20 min |
| February 16 | 35°F | 14°F | 27% | 6% | 10 h 20 min |
| February 17 | 35°F | 14°F | 27% | 6% | 10 h 20 min |
| February 18 | 35°F | 14°F | 27% | 6% | 10 h 30 min |
| February 19 | 36°F | 14°F | 28% | 6% | 10 h 30 min |
| February 20 | 36°F | 14°F | 28% | 6% | 10 h 30 min |
| February 21 | 36°F | 14°F | 28% | 6% | 10 h 40 min |
| February 22 | 36°F | 15°F | 28% | 6% | 10 h 40 min |
| February 23 | 37°F | 15°F | 28% | 6% | 10 h 40 min |
| February 24 | 37°F | 15°F | 28% | 6% | 10 h 40 min |
| February 25 | 37°F | 15°F | 28% | 6% | 10 h 50 min |
| February 26 | 38°F | 16°F | 28% | 6% | 10 h 50 min |
| February 27 | 38°F | 16°F | 28% | 6% | 10 h 50 min |
| February 28 | 38°F | 16°F | 28% | 6% | 11 h |
| February 29 | 38°F | 16°F | 28% | 6% | 11 h |
- Normal high
- 35°FFebruary average
- Normal low
- 14°FFebruary average
- Precipitation
- 0.49 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 26
- Daylight
- 9 h 30 min to 11 hFebruary 1 to February 28
- Sunshine
- 75%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 February?
On a given February day the chance of 0.01 inch or more is 27% on average, highest around February 29 (28%). In all, 0.49 in falls on 8 days of a normal February.
In a normal February in Lewistown, 26 nights fall to freezing and 10 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024036.
How humid and windy is Lewistown in February?
At 3 p.m. the normal temperature is 33°F with 52% relative humidity and a dew point of 17°F; at 6 a.m. it is 19°F with 72% humidity. The wind averages 9.3 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. | 19°F | 12°F | 72% | 8.7 mph | – |
| 9 a.m. | 24°F | 14°F | 67% | 8.7 mph | – |
| noon | 31°F | 16°F | 54% | 10.5 mph | – |
| 3 p.m. | 33°F | 17°F | 52% | 10.8 mph | – |
| 6 p.m. | 28°F | 16°F | 61% | 9.0 mph | – |
| 9 p.m. | 23°F | 15°F | 70% | 9.3 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 February in Lewistown?
The warmest February temperature on this station's record (since 1896) is 70°F, on February 27, 1932; the coldest is −42°F, on February 17, 1936. The wettest February brought 2.08 in (1952); the snowiest, 37.0 inches (1952).
The February mean against the 1991-2020 normal of 24.6°F: 2021 10.1°F (−14.5), 2022 21.9°F (−2.7), 2023 25.2°F (+0.6), 2024 27.4°F (+2.8), 2025 11.6°F (−13.0), 2026 31.4°F (+6.8). 3 of 6 ran warmer than normal.
| February | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 10.1°F | −14.5°F | 0.42 in |
| 2022 | 21.9°F | −2.7°F | 0.43 in |
| 2023 | 25.2°F | +0.6°F | 1.06 in |
| 2024 | 27.4°F | +2.8°F | 0.97 in |
| 2025 | 11.6°F | −13.0°F | – |
| 2026 | 31.4°F | +6.8°F | 1.01 in |
Source: records: ACIS, station USW00024036; recent months: ACIS, station USW00024036. Records and recent months use complete months only.
How does February in Lewistown compare across Montana?
Across the 141 places PlainClimate covers in Montana, February normal highs run from 24°F in Westby to 42°F in Superior; Lewistown's is 35°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.