Altona climate

Altona Weather in February

NOAA 1991-2020 normals for Boulder, 15.9 km from Altona

Average highs run from 47°F on February 1 to 52°F on February 28, and lows from 21°F to 25°F. Normal precipitation for the month is 0.99 in over about 7 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 Altona, in °F, with the record for each date.-50-2502550751001510152025
  • Normal low
  • Normal high
  • Record high
  • Record low

February at a glance

Average high
48°F
Average low
22°F
Precipitation
0.99 in
Snowfall
15.0 in
Record high
79°FFeb 27, 1932
Record low
-36°FFeb 1, 1951
Chance of a freeze
100%
Daylight
10 h 10 min to 11 h 16 min
Cloud cover
67%
Humidity
77%
Dew point
13°F
Wind
10.3 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 147°F21°F73°F 1934-36°F 195122%21%
Feb 247°F21°F76°F 1934-29°F 195122%21%
Feb 347°F21°F77°F 2020-24°F 199622%22%
Feb 447°F21°F73°F 2025-23°F 198922%22%
Feb 547°F21°F69°F 1930-28°F 198923%22%
Feb 647°F21°F70°F 1963-21°F 198923%22%
Feb 747°F21°F68°F 1943-22°F 193323%22%
Feb 847°F21°F69°F 1963-30°F 193623%22%
Feb 947°F21°F76°F 1954-30°F 193323%22%
Feb 1047°F22°F75°F 1954-21°F 193323%22%
Feb 1147°F22°F73°F 1951-29°F 189523%22%
Feb 1247°F22°F74°F 1962-22°F 189523%22%
Feb 1348°F22°F70°F 1924-13°F 189524%22%
Feb 1448°F22°F74°F 1954-22°F 189524%22%
Feb 1548°F22°F70°F 1957-17°F 189524%22%
Feb 1648°F22°F70°F 1943-20°F 199024%22%
Feb 1748°F22°F69°F 1970-15°F 191024%22%
Feb 1849°F22°F69°F 1970-18°F 194224%22%
Feb 1949°F23°F70°F 1986-15°F 194224%22%
Feb 2049°F23°F75°F 1935-11°F 193924%22%
Feb 2149°F23°F74°F 1927-16°F 191324%22%
Feb 2250°F23°F75°F 1936-12°F 191124%22%
Feb 2350°F23°F77°F 1982-11°F 202324%22%
Feb 2450°F24°F76°F 2002-13°F 195524%22%
Feb 2551°F24°F77°F 1986-10°F 191224%22%
Feb 2651°F24°F72°F 1950-12°F 200224%21%
Feb 2751°F24°F79°F 1932-13°F 196224%21%
Feb 2852°F25°F76°F 1921-22°F 192224%21%
Feb 2952°F25°F71°F 1940-18°F 196024%21%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Altona, in percent, and of at least 0.1 inch of snowfall.051015202511020
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

February 1
sunrise 7:10 AM, sunset 5:20 PM
February 28
sunrise 6:36 AM, sunset 5:52 PM

Every day of February: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00050848 (Boulder), public domain. Records: NOAA GHCN-Daily, station USC00055116, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.