Weather Averages Helena, OH

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Weather Averages for
Helena, OH


Latitude: 41°19'N, Longitude: 83°7'W, Elevation: 600.0 ft, Distance: 10.40 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 49 23 25 36 47 59 68 72 70 63 51 41 28
Average high temperature
over 30 years
°F 58 31 33 44 57 69 79 83 81 74 62 49 36
Average low temperature
over 30 years
°F 39 15 17 27 37 48 58 62 59 52 40 32 21
Highest recorded temperature
over 42 years
°F 105 66 69 80 87 93 104 100 100 105 93 78 71
Lowest recorded temperature
over 42 years
°F -20 -20 -13 -5 8 26 37 44 39 31 19 - -16
Average number of days above 90°F
over 30 years
days 15 - - - - 0.7 3.7 6 3.4 1.4 - - -
Average precipitation
over 30 years
in 34.7 1.8 1.7 2.7 3.0 3.6 3.9 3.8 3.4 3.1 2.3 2.8 2.7
Average number of days below 32°F
over 30 years
days 131 28 25 23 8.3 0.6 - - - - 5 16 25
Average number of days below 0°F
over 30 years
days 8.2 4.3 2.2 0.2 - - - - - - - - 1.3
Average snowfall
over 30 years
in 16.8 4.5 5.3 3.2 0.2 - - - - - - 0.5 4.5
Most rain reported in a day
over 89 years
in 8.0 1.8 2.6 1.9 3.6 3.0 4.2 8.0 2.8 4.1 2.6 1.9 2.1
Most rain reported in a month
over 89 years
in 50.9 7.3 5.2 4.8 6.9 6.7 10.0 11.7 8.3 8.9 6.0 5.6 7.3
Least rain reported in a month
over 89 years
in 18.9 0.1 0.1 0.5 0.7 0.5 0.5 0.7 0.3 0.6 - 0.5 0.4
Heating degree days
over 30 years
days 6493 1296 1109 895 522 231 45 8 20 122 421 704 1120
Cooling degree days
over 30 years
days 736 - - - 7 45 158 247 187 84 8 - -
Most snow reported in a month
over 89 years
in 36.8 16.8 13.0 9.0 11.9 0.5 - - - - - 5.1 16.9