Temperature Norms for Harrison
Month
Average High Temperature
Average Low Temperature
January
46.31
26.78
February
50.63
30.38
March
60.80
39.43
April
69.99
48.98
May
76.81
56.51
June
84.66
64.35
July
89.98 
68.69
August
87.89
66.96
September
80.81
59.60
October
70.91
48.99
November
59.40
39.37
December
48.99
31.89
 
Normal Yearly High Temperature Average - 68.93
Normal Yearly Low Temperature Average - 48.58
 
Precipitation Norms for Harrison
Month
Average Rainfall Amount - Inches
January
2.48
February
2.93
March
4.53
April
4.66
May
5.32
June
3.92 
July
3.42
August
3.68
September
4.03
October
3.93 
November
4.29
December
3.47
Normal Yearly Average Precipitation (Inches) - 46.66