Boise July Weather

Averages and records for weather in Boise, Idaho in the month of July.
Typical Boise July Weather
1991–2020
Average daily high 92.7 °F
Average daily low 61.5 °F
Average monthly precipitation 0.2 inches
Average monthly snow none
Boise July Weather Records
1911–2023
Highest temperature 111 °F July 19, 1960
Lowest temperature 35 °F July 5, 1986
Highest daily low 80 °F July 19, 2021
Lowest daily high 64 °F July 4, 1986
Hottest average temperature 7.2 °F
above average
2021
Coldest average temperature -11.6 °F
below average
1993
Most daily precipitation 1.1 inches July 24, 1913
Most monthly precipitation 2.2 inches 1913
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
July 1 88.0 58.0 110 38
July 2 88.5 58.3 107 39
July 3 88.9 58.7 106 37
July 4 89.3 59.0 105 40
July 5 89.6 59.3 104 35
July 6 90.0 59.5 107 41
July 7 90.3 59.7 108 41
July 8 90.7 60.0 104 40
July 9 90.9 60.2 108 40
July 10 91.2 60.5 105 43
July 11 91.5 60.7 109 44
July 12 91.7 60.9 108 45
July 13 92.0 61.0 110 43
July 14 92.3 61.2 110 37
July 15 92.6 61.4 105 41
July 16 92.7 61.6 108 42
July 17 92.9 61.7 108 41
July 18 93.2 61.9 106 40
July 19 93.3 62.0 111 40
July 20 93.4 62.2 110 43
July 21 93.5 62.3 108 38
July 22 93.7 62.4 108 42
July 23 93.7 62.5 107 44
July 24 93.7 62.6 103 46
July 25 93.7 62.6 105 46
July 26 93.7 62.6 106 47
July 27 93.7 62.6 108 41
July 28 93.6 62.6 107 42
July 29 93.6 62.7 104 42
July 30 93.5 62.6 106 40
July 31 93.5 62.6 106 44
Weather Station Details
Years Station Coordinates
1940–2023 location
1911–1939 Meridian 1 W location