Lewiston weather in February: Lewiston, Idaho: normal highs, lows, rain and records for February

Lewiston in February has a normal high of 47°F and a normal low of 32°F, a daily mean of 39°F, rising from 44°F on the 1st to 51°F by the 29th. Measurable precipitation falls on 10 days in a normal February, 1.04 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 8°C and low of 0°C, 26 mm of precipitation and 10 cm of snow in February.

  • NOAA stationLewiston Airport
  • Station IDUSW00024149
  • Location46.37°N 117.02°W
  • Elevation1,436 ft (438 m)
  • Population34,693
  1. Jan 42° 30°
  2. Feb 47° 32°
  3. Mar 55° 36°
  4. Apr 62° 41°
  5. May 72° 48°
  6. Jun 79° 54°
  7. Jul 91° 61°
  8. Aug 90° 60°
  9. Sep 80° 52°
  10. Oct 63° 42°
  11. Nov 49° 35°
  12. Dec 41° 30°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Lewiston in February?

The normal high is 47°F and the normal low 32°F, for a daily mean of 39.3°F. February is 3.1°F warmer than January and 6.1°F cooler than March. February is the 10th warmest month of the year in Lewiston and the 9th wettest. Across the month the normal high rises 7°F, from 44°F on February 1 to 51°F on February 29. From one year to the next February's mean temperature typically moves about 3.4°F either way (NOAA's standard deviation), so roughly two Februarys in three average between 36°F and 43°F.

Lewiston in February, day by day: normal high and low

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 36%).

Normal high and low on five days of February, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
February 144°F31°F34%11%
February 845°F31°F33%12%
February 1547°F32°F34%12%
February 2249°F32°F35%12%
February 2851°F33°F36%12%
Every day of February: normal high, low and chance of precipitation (warmest afternoon February 29, coldest night February 1)
Lewiston: NOAA 1991-2020 daily normals for each day of February
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
February 144°F31°F34%11%9 h 40 min
February 244°F31°F34%11%9 h 40 min
February 345°F31°F33%11%9 h 40 min
February 445°F31°F33%11%9 h 50 min
February 545°F31°F33%11%9 h 50 min
February 645°F31°F33%11%9 h 50 min
February 745°F31°F33%12%9 h 50 min
February 845°F31°F33%12%10 h
February 946°F31°F33%12%10 h
February 1046°F31°F33%12%10 h
February 1146°F31°F33%12%10 h 10 min
February 1246°F31°F33%12%10 h 10 min
February 1346°F31°F34%12%10 h 10 min
February 1447°F32°F34%12%10 h 20 min
February 1547°F32°F34%12%10 h 20 min
February 1647°F32°F34%12%10 h 20 min
February 1747°F32°F34%12%10 h 20 min
February 1848°F32°F34%12%10 h 30 min
February 1948°F32°F34%12%10 h 30 min
February 2048°F32°F35%12%10 h 30 min
February 2149°F32°F35%12%10 h 40 min
February 2249°F32°F35%12%10 h 40 min
February 2349°F32°F35%12%10 h 40 min
February 2449°F32°F35%12%10 h 50 min
February 2550°F32°F35%12%10 h 50 min
February 2650°F33°F35%12%10 h 50 min
February 2750°F33°F36%12%11 h
February 2851°F33°F36%12%11 h
February 2951°F33°F36%12%11 h
Normal high
47°FFebruary average
Normal low
32°FFebruary average
Precipitation
1.04 inmonth total
Days with precipitation
100.01 inch or more
Snowfall
3.8 inmonth total
Nights at 32°F or colder
15
Daylight
9 h 40 min to 11 hFebruary 1 to February 28
Sunshine
64%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024149; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Lewiston in February?

On a given February day the chance of 0.01 inch or more is 34% on average, highest around February 29 (36%). In all, 1.04 in falls on 10 days of a normal February.

In a normal February in Lewiston, 15 nights fall to freezing, 2 days stay below freezing all day and snowfall averages 3.8 inches.

Snow falls on 3 days in a normal February, and an inch or more covers the ground on 3 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024149.

How humid and windy is Lewiston in February?

At 3 p.m. the normal temperature is 47°F with 51% relative humidity and a dew point of 30°F; at 6 a.m. it is 35°F with 76% humidity. The wind averages 5.7 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal February day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.35°F28°F76%4.4 mph–
9 a.m.38°F30°F71%5.5 mph49%
noon45°F30°F57%6.9 mph46%
3 p.m.47°F30°F51%7.6 mph45%
6 p.m.44°F30°F58%6.1 mph51%
9 p.m.40°F29°F66%5.7 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024149. 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 Lewiston?

The warmest February temperature on Lewiston's official record (since 1881) is 72°F, on February 24, 1986; the coldest is −18°F, on February 12, 1884. The wettest February brought 3.42 in (2019); the snowiest, 31.3 inches (2019).

The February mean against the 1991-2020 normal of 39.3°F: 2021 35.1°F (−4.2), 2022 37.5°F (−1.8), 2023 39.0°F (−0.3), 2024 42.3°F (+3.0), 2025 34.3°F (−5.0), 2026 41.3°F (+2.0). 2 of 6 ran warmer than normal.

Lewiston: February in recent years against the 1991-2020 normal
FebruaryMeanAgainst normalPrecip.
202135.1°F−4.2°F1.66 in
202237.5°F−1.8°F0.32 in
202339.0°F−0.3°F0.37 in
202442.3°F+3.0°F1.09 in
202534.3°F−5.0°F1.59 in
202641.3°F+2.0°F2.08 in

Source: records: ACIS, NWS threaded record LWSthr; recent months: ACIS, station USW00024149. Records and recent months use complete months only.

How does February in Lewiston compare across Idaho?

Across the 85 places PlainClimate covers in Idaho, February normal highs run from 28°F in Mullan to 51°F in Bruneau; Lewiston's is 47°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places