Weather Averages Iwamizawa, Japan

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Weather Averages for
Iwamizawa, Japan



Latitude: 42°47'N, Longitude: 141°40'E, Elevation: 25.3 m, Distance: 18.37 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 10 years
°C 6 -6 -6 -1 5 10 14 18 21 16 10 2 -2
Average high temperature
over 10 years
°C 11 -1 0 3 11 16 18 22 25 21 16 7 2
Average low temperature
over 10 years
°C 2 -11 -11 -5 0 5 10 15 17 11 5 -2 -7
Highest recorded temperature
over 10 years
°C 34 7 11 15 18 25 28 33 34 28 22 17 12
Lowest recorded temperature
over 10 years
°C -24 -24 -23 - -7 -4 2 8 10 2 -2 -16 -18
Average number of rainy days
over 10 years
days 91.6 10.1 7.8 7.3 6 6.5 6.8 6.7 7.4 9.5 8.1 7.4 8
Average number of days above 27°C
over 10 years
days 0.6 - - - - - - 0.1 0.5 - - - -
Average precipitation
over 10 years
cm 111.5 9.7 7.1 8.4 5.8 7.6 7.9 10.2 11.9 16.0 12.4 7.1 7.9
Average relative humidity
over 10 years
% 80 76 76 77 76 76 82 87 87 84 80 78 77
Average dew point
over 10 years
°C 3 -8 -8 -5 1 6 11 16 18 13 7 0 -6
Average number of days below -1.5°C
over 10 years
days 156.4 31 27.8 28.6 12.4 3 - - - - 3.5 20.3 29.8
Average number of days below -17.5°C
over 10 years
days 6.8 3.2 2.5 0.2 - - - - - - - - 0.9
Average snowfall
over 10 years
cm 303.8 88.9 66.5 55.9 2.8 - - - - - 0.3 31.0 58.4