Rexburg August Weather

Averages and records for weather in Rexburg, Idaho in the month of August.
Typical Rexburg August Weather
1991–2020
Average daily high 84.0 °F
Average daily low 48.6 °F
Average monthly precipitation 0.7 inches
Daily chance of precipitation 20.0%
Rexburg August Weather Records
1946–2024
Highest temperature 99 °F August 9, 1990
Lowest temperature 27 °F August 26, 1992
Highest daily low 65 °F August 10, 2000
Lowest daily high 54 °F August 25, 1989
Hottest average high temperature 90.0 °F 1981
Coldest average high temperature 77.1 °F 2014
Most daily precipitation 0.9 inches August 26, 1977
Most monthly precipitation 4.1 inches 2014
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
August 1 85.7 50.5 99 37
August 2 85.7 50.4 97 42
August 3 85.6 50.3 95 44
August 4 85.6 50.2 95 37
August 5 85.4 50.1 98 38
August 6 85.4 50.0 98 40
August 7 85.3 49.9 96 36
August 8 85.3 49.8 99 37
August 9 85.2 49.7 99 34
August 10 85.0 49.6 97 37
August 11 84.8 49.5 96 40
August 12 84.7 49.3 97 41
August 13 84.6 49.2 97 38
August 14 84.4 49.0 96 36
August 15 84.3 48.8 94 37
August 16 84.1 48.7 94 39
August 17 83.8 48.5 95 37
August 18 83.5 48.3 95 32
August 19 83.3 48.1 96 34
August 20 83.2 47.9 92 39
August 21 83.0 47.7 92 38
August 22 82.8 47.5 94 33
August 23 82.5 47.3 95 38
August 24 82.3 47.1 93 31
August 25 81.9 46.9 94 31
August 26 81.6 46.7 95 27
August 27 81.2 46.5 96 30
August 28 80.8 46.2 94 34
August 29 80.4 46.0 93 33
August 30 80.1 45.7 93 35
August 31 79.8 45.5 92 32
Weather Station Details
Years Station Coordinates
1977–2024 Rexburg BYU location
1946–1976 Rexburg location