Richland July Weather

Averages and records for weather in Richland, Washington in the month of July.
Typical Richland July Weather
1991–2020
Average daily high 91.7 °F
Average daily low 57.9 °F
Average monthly precipitation 0.2 inches
Daily chance of precipitation 7.1%
Richland July Weather Records
1894–2024
Highest temperature 115 °F July 27, 1939
Lowest temperature 38 °F July 2, 1921
Highest daily low 82 °F July 14, 1906
Lowest daily high 65 °F July 5, 1994
Hottest average high temperature 98.2 °F 1985
Coldest average high temperature 79.2 °F 1993
Most daily precipitation 0.9 inches July 31, 1998
Most monthly precipitation 1.6 inches 1998
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 87.8 55.7 107 44
July 2 88.2 55.9 107 38
July 3 88.6 56.1 109 43
July 4 88.9 56.4 111 44
July 5 89.1 56.6 110 42
July 6 89.4 56.7 108 44
July 7 89.6 56.9 110 42
July 8 89.9 57.1 107 43
July 9 90.2 57.3 106 43
July 10 90.4 57.4 108 43
July 11 90.6 57.5 108 42
July 12 90.9 57.6 109 45
July 13 91.1 57.7 109 45
July 14 91.4 57.7 108 46
July 15 91.6 57.8 113 48
July 16 91.8 57.9 114 45
July 17 91.9 58.0 108 47
July 18 92.1 58.0 107 45
July 19 92.2 58.2 107 47
July 20 92.3 58.3 110 47
July 21 92.5 58.3 110 46
July 22 92.6 58.4 109 47
July 23 92.7 58.6 112 46
July 24 92.7 58.6 108 43
July 25 92.7 58.7 108 41
July 26 92.8 58.7 112 46
July 27 92.8 58.7 115 46
July 28 92.8 58.7 110 46
July 29 92.8 58.7 112 42
July 30 92.8 58.7 111 48
July 31 92.8 58.6 109 46
Weather Station Details
Years Station Coordinates
1999–2024 Pasco Tri Cities Airport location
1945–1998 Richland location
1894–1944 Kennewick location