Ishinomaki monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Ishinomaki

Ishinomaki average temperature chart (Celsius) Ishinomaki average temperature chart (Fahrenheit)
Average monthly temperatures in Ishinomaki (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.5 4.8 8.1 13.9 18.7 21.7 25.2 27.6 23.7 18.5 12.9 7.5
°F 40 40.6 46.5 57.1 65.7 71.1 77.3 81.8 74.6 65.4 55.3 45.4

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Ishinomaki monthly rainfall chart (mm) Ishinomaki monthly rainfall chart (inches)
Average monthly rainfall in Ishinomaki (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 41 49 68 95 103 114 131 133 151 110 68 35
inches 1.6 1.9 2.7 3.7 4 4.5 5.2 5.3 6 4.3 2.7 1.4
Rainy days 20 18 18 16 16 18 20 18 19 16 16 18

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Ishinomaki

Ishinomaki average daily sunshine chart
Average daily sunshine Ishinomaki
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.6 5.8 6.3 6.6 7.1 5.4 5 6 4.7 5.3 5.1 5.1

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Ishinomaki average minimum / maximum temperatures (Celsius) Ishinomaki average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ishinomaki (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -2.9 -2.6 -0.1 5.3 10.5 15.1 19.1 21.2 16.8 10.1 4.5 -0.1
Max °C 4.7 5 8.3 14.2 19 21.9 25.3 27.8 23.9 18.8 13.2 7.7
Min °F 26.9 27.4 31.9 41.5 50.8 59.2 66.4 70.2 62.2 50.1 40 31.9
Max °F 33.6 34.2 39.4 49.5 58.5 65.3 72 76.1 68.5 57.9 47.8 38.8

Sea temperature

The graph below shows the average sea temperature.

Ishinomaki average sea temperature chart (Celsius) Ishinomaki average sea temperature chart (Fahrenheit)
Average sea temperature around Ishinomaki in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.4 10.5 10.4 12.3 15.5 19.1 21.6 24.3 23.2 20.2 17.7 15.1
°F 54.2 51 50.7 54.1 59.9 66.4 70.9 75.7 73.8 68.3 63.8 59.3

Wind speed

The graph below shows the average wind speed.

Ishinomaki average winspeed by month (km/h) Ishinomaki average winspeed by month (mph)
Average wind speed in Ishinomaki (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 10 11 11 10 9 8 9 8 9 9 10
mph 6 6 7 7 6 5 5 5 5 6 6 6

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Ishinomaki relative humidity averages
Average relative humidity in Ishinomaki
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 69% 67% 69% 73% 81% 84% 82% 80% 76% 72% 71%

Other monthly averages

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Ishinomaki weather stats

Ishinomaki weather statistics
Hottest month: August 27.6°C 81.7°F
Driest month: December 35mm 1.4ins
Sunniest month: January 5.6hrs
Coldest month: January 4.5°C 40.1°F
Wettest month: September 151mm 5.9ins
Warmest sea: August 24.3°C 75.7°F
Map showing location of Ishinomaki (38.41667, 141.3)

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