Lewiston July Weather

Averages and records for weather in Lewiston, Idaho in the month of July.
Typical Lewiston July Weather
1991–2020
Average daily high 90.6 °F
Average daily low 60.5 °F
Average monthly precipitation 0.5 inches
Average monthly snow none
Lewiston July Weather Records
1894–2023
Highest temperature 117 °F July 28, 1939
Lowest temperature 41 °F July 2, 1955
Highest daily low 79 °F July 1, 2021
Lowest daily high 59 °F July 6, 1955
Hottest average temperature 7.0 °F
above average
2021
Coldest average temperature -9.6 °F
below average
1993
Most daily precipitation 1.8 inches July 10, 1998
Most monthly precipitation 2.6 inches 1987
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 85.2 57.5 107 44
July 2 85.7 57.7 104 41
July 3 86.1 57.9 105 45
July 4 86.5 58.2 105 46
July 5 86.9 58.5 108 44
July 6 87.3 58.7 104 45
July 7 87.6 58.9 104 41
July 8 88.0 59.1 106 44
July 9 88.3 59.4 107 47
July 10 88.6 59.6 107 49
July 11 88.9 59.8 106 49
July 12 89.3 59.9 111 49
July 13 89.6 60.1 110 46
July 14 90.0 60.2 109 50
July 15 90.2 60.4 116 49
July 16 90.5 60.5 108 48
July 17 90.8 60.7 110 49
July 18 91.0 60.8 112 44
July 19 91.3 61.0 106 46
July 20 91.4 61.1 109 48
July 21 91.6 61.3 110 47
July 22 91.8 61.4 113 45
July 23 92.0 61.6 113 46
July 24 91.9 61.6 107 48
July 25 92.0 61.6 110 48
July 26 92.1 61.7 109 50
July 27 92.1 61.7 114 48
July 28 92.2 61.7 117 46
July 29 92.2 61.7 112 45
July 30 92.3 61.7 109 47
July 31 92.4 61.7 109 47
Weather Station Details
Years Station Coordinates
1948–2023 Lewiston Nez Perce County Airport location
1894–1947 Lewiston WTP location