Casper July Weather

Averages and records for weather in Casper, Wyoming in the month of July.
Typical Casper July Weather
1991–2020
Average daily high 89.2 °F
Average daily low 53.4 °F
Average monthly precipitation 1.2 inches
Average monthly snow none
Daily chance of precipitation 22.0%
Daily chance of snow 0%
Casper July Weather Records
1900–2024
Highest temperature 107 °F July 12, 1911
Lowest temperature 26 °F July 13, 1935
Highest daily low 77 °F July 28, 1935
Lowest daily high 54 °F July 13, 1952
Hottest average high temperature 99.5 °F 1912
Coldest average high temperature 74.7 °F 1915
Most daily precipitation 2.6 inches July 25, 1901
Most monthly precipitation 3.7 inches 1912
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 86.0 50.0 100 37
July 2 86.5 50.2 101 34
July 3 86.9 50.6 99 32
July 4 87.3 50.9 100 26
July 5 87.6 51.2 100 32
July 6 87.8 51.4 101 41
July 7 88.1 51.7 101 37
July 8 88.3 51.9 102 38
July 9 88.5 52.1 103 36
July 10 88.7 52.4 103 34
July 11 88.8 52.6 105 39
July 12 88.9 52.8 107 38
July 13 89.0 53.0 103 26
July 14 89.0 53.2 103 30
July 15 89.1 53.3 102 33
July 16 89.2 53.5 104 40
July 17 89.3 53.6 101 39
July 18 89.3 53.6 103 41
July 19 89.4 53.8 102 37
July 20 89.4 53.8 103 30
July 21 89.4 53.8 105 36
July 22 89.4 53.9 103 43
July 23 89.4 53.9 100 43
July 24 89.4 54.0 100 40
July 25 89.4 54.0 100 40
July 26 89.4 54.0 103 39
July 27 89.3 54.0 104 41
July 28 89.3 54.0 102 42
July 29 89.2 53.9 104 36
July 30 89.1 53.9 101 38
July 31 89.0 53.8 102 35
Weather Station Details
Years Station Coordinates
1949–2024 Casper-Natrona County International Airport location
1900–1948 Casper 2 E location