Glacier County climate

Glacier County Weather in April

NOAA 1991-2020 normals for St. Mary 1 Ssw, 32.4 km from Glacier County

Average highs run from 42°F on April 1 to 51°F on April 30, and lows from 25°F to 32°F. Normal precipitation for the month is 2.45 in over about 15 wet days.

April day by day

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

Normal daily high and low temperature at Glacier County, in °F, with the record for each date.-50-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
46°F
Average low
28°F
Precipitation
2.45 in
Record high
87°FApr 25, 1910
Record low
-25°FApr 2, 1935
Chance of a freeze
100%
Daylight
12 h 54 min to 14 h 33 min
Cloud cover
72%
Humidity
78%
Dew point
27°F
Wind
8.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Apr 142°F25°F67°F 1992-16°F 193551%
Apr 242°F25°F75°F 1992-25°F 193551%
Apr 342°F25°F72°F 1992-15°F 193551%
Apr 442°F25°F75°F 1960-13°F 193551%
Apr 542°F26°F72°F 1969-11°F 193651%
Apr 643°F26°F71°F 1969-3°F 197550%
Apr 743°F26°F76°F 2005-7°F 192350%
Apr 843°F26°F79°F 19775°F 198250%
Apr 943°F27°F76°F 19967°F 199750%
Apr 1044°F27°F75°F 2023-2°F 193549%
Apr 1144°F27°F76°F 1913-6°F 194049%
Apr 1244°F27°F79°F 19132°F 202049%
Apr 1344°F27°F80°F 19138°F 192848%
Apr 1445°F28°F80°F 19630°F 193548%
Apr 1545°F28°F81°F 1988-4°F 195348%
Apr 1645°F28°F85°F 19849°F 202247%
Apr 1746°F28°F80°F 192310°F 195347%
Apr 1846°F29°F81°F 19363°F 195146%
Apr 1946°F29°F83°F 19102°F 192746%
Apr 2047°F29°F81°F 1980-5°F 192746%
Apr 2147°F29°F79°F 20262°F 195145%
Apr 2247°F30°F78°F 1969-5°F 196745%
Apr 2348°F30°F82°F 20128°F 200945%
Apr 2448°F30°F84°F 19105°F 200944%
Apr 2549°F30°F87°F 191016°F 195944%
Apr 2649°F31°F87°F 191015°F 196044%
Apr 2749°F31°F82°F 198716°F 195443%
Apr 2850°F31°F86°F 193912°F 195443%
Apr 2950°F31°F84°F 193910°F 195443%
Apr 3051°F32°F82°F 196813°F 190942%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Glacier County, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MDT).

April 1
sunrise 7:09 AM, sunset 8:03 PM
April 30
sunrise 6:13 AM, sunset 8:46 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00004130 (St. Mary 1 Ssw), public domain. Records: NOAA GHCN-Daily, station USW00024137, 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.