Lewiston April Weather

Averages and records for weather in Lewiston, Idaho in the month of April.
Typical Lewiston April Weather
1991–2020
Average daily high 62.0 °F
Average daily low 40.5 °F
Average monthly precipitation 1.4 inches
Average monthly snow none
Daily chance of precipitation 37.7%
Daily chance of snow 0%
Lewiston April Weather Records
1894–2024
Highest temperature 99 °F April 25, 1946
Lowest temperature 20 °F April 19, 1966
Highest daily low 59 °F April 29, 1987
Lowest daily high 32 °F April 1, 1936
Hottest average high temperature 74.5 °F 1934
Coldest average high temperature 54.8 °F 2011
Most daily precipitation 0.9 inches April 16, 1935
Most monthly precipitation 3.3 inches 1978
Most daily snow 0.6 inches April 10, 2022
Most monthly snow 1.1 inches 1972
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
April 1 58.1 37.9 78 22
April 2 58.3 38.1 80 24
April 3 58.5 38.3 82 25
April 4 58.7 38.5 85 28
April 5 59.0 38.6 79 24
April 6 59.3 38.8 78 25
April 7 59.7 39.0 84 26
April 8 60.0 39.2 81 25
April 9 60.4 39.4 78 29
April 10 60.7 39.6 82 26
April 11 60.9 39.7 79 26
April 12 61.3 39.9 81 27
April 13 61.6 40.1 86 26
April 14 61.8 40.3 85 30
April 15 61.9 40.4 84 25
April 16 62.2 40.6 87 27
April 17 62.5 40.7 90 25
April 18 62.8 40.9 90 26
April 19 63.1 41.1 86 20
April 20 63.5 41.2 86 23
April 21 63.8 41.4 88 22
April 22 64.0 41.6 89 29
April 23 64.3 41.8 94 30
April 24 64.6 42.0 97 30
April 25 64.9 42.1 99 32
April 26 65.2 42.3 87 30
April 27 65.6 42.6 93 27
April 28 66.0 42.8 87 30
April 29 66.5 43.0 98 29
April 30 67.0 43.3 87 31
Weather Station Details
Years Station Coordinates
1948–2024 Lewiston Nez Perce County Airport location
1894–1947 Lewiston WTP location