Boise County climate

Boise County Weather in February

NOAA 1991-2020 normals for Idaho City, 18.6 km from Boise County

Average highs run from 38°F on February 1 to 44°F on February 28, and lows from 15°F to 18°F. Normal precipitation for the month is 1.94 in over about 8 wet days.

February day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Boise County, in °F, with the record for each date.-200204060801510152025
  • Normal low
  • Normal high
  • Record high
  • Record low

February at a glance

Average high
41°F
Average low
16°F
Precipitation
1.94 in
Snowfall
16.5 in
Record high
71°FFeb 29, 1992
Record low
-15°FFeb 5, 1989
Chance of a freeze
100%
Daylight
9 h 54 min to 11 h 09 min
Cloud cover
67%
Humidity
93%
Dew point
20°F
Wind
4.5 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Feb 138°F15°F60°F 2024-10°F 195031%28%
Feb 238°F15°F59°F 2018-12°F 197931%28%
Feb 338°F15°F61°F 2018-9°F 198531%28%
Feb 438°F15°F62°F 1963-14°F 198931%28%
Feb 538°F15°F62°F 1963-15°F 198931%27%
Feb 639°F15°F64°F 1963-11°F 198931%27%
Feb 739°F15°F65°F 2015-13°F 198931%27%
Feb 839°F15°F65°F 2015-10°F 198931%27%
Feb 939°F15°F59°F 1951-7°F 198930%27%
Feb 1039°F15°F64°F 19511°F 198230%27%
Feb 1140°F15°F64°F 19613°F 198230%27%
Feb 1240°F15°F61°F 20113°F 194830%27%
Feb 1340°F16°F58°F 20114°F 194930%27%
Feb 1440°F16°F61°F 200011°F 196430%27%
Feb 1541°F16°F64°F 20113°F 195630%27%
Feb 1641°F16°F61°F 20160°F 195630%27%
Feb 1741°F16°F60°F 19774°F 199330%27%
Feb 1841°F16°F65°F 19588°F 194230%27%
Feb 1942°F16°F67°F 19958°F 194230%27%
Feb 2042°F17°F69°F 19779°F 201830%27%
Feb 2142°F17°F63°F 199114°F 195530%27%
Feb 2242°F17°F67°F 195810°F 201930%26%
Feb 2343°F17°F64°F 199510°F 201830%26%
Feb 2443°F17°F68°F 198614°F 195230%26%
Feb 2543°F17°F70°F 198611°F 199330%26%
Feb 2643°F18°F66°F 19507°F 196230%26%
Feb 2744°F18°F65°F 19925°F 196230%25%
Feb 2844°F18°F66°F 198811°F 196030%25%
Feb 2944°F18°F71°F 199211°F 196030%25%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Boise County, in percent, and of at least 0.1 inch of snowfall.01020304011020
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

February 1
sunrise 8:00 AM, sunset 5:54 PM
February 28
sunrise 7:21 AM, sunset 6:30 PM

Every day of February: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00104442 (Idaho City), public domain. Records: NOAA GHCN-Daily, station USW00024131, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.