Sendai monthly weather averages

  • Average daytime temperature

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

    Sendai average temperature chart
    Average monthly temperatures in Sendai (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 5.1 5.5 8.8 14.9 19.9 22.5 25.9 28.3 24.3 19.1 13.5 8.2
    °F 41.1 41.8 47.8 58.9 67.9 72.5 78.6 82.9 75.7 66.4 56.3 46.7

    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.

    Average monthly rainfall in Sendai (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 43 50 69 91 104 126 144 153 174 104 69 38
    inches 1.7 2 2.7 3.6 4.1 5 5.7 6 6.9 4.1 2.7 1.5
    Rainy days 24 21 21 17 16 19 21 19 20 18 19 21
  • Average daily sunshine

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

    Average daily sunshine Sendai
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 5.1 5.5 6.2 6.6 7 5.3 5 6 4.6 5.1 4.9 4.8
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Sendai (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C -2.1 -1.9 0.6 5.9 11.1 15.6 19.6 21.6 17.4 10.7 5.1 0.7
    Max °C 5.3 5.7 9 15.2 20.2 22.7 26.1 28.5 24.5 19.3 13.7 8.4
    Min °F 28.3 28.7 33.1 42.5 51.9 60 67.2 70.8 63.2 51.3 41.2 33.2
    Max °F 34.9 35.4 40.6 50.9 60.1 66.4 73 77 69.6 59 48.9 40.1
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Sendai in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 11.6 9.8 9.7 11.4 14.5 18.5 21.7 24.5 23.4 20.3 17.4 14.5
    °F 52.9 49.7 49.5 52.6 58.1 65.2 71 76.2 74.2 68.6 63.3 58.1
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Sendai (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 7 7 7 6 5 5 5 5 5 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.

    Average relative humidity in Sendai
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    68% 67% 64% 66% 70% 79% 83% 81% 79% 74% 70% 69%

Other monthly averages

Sendai weather stats

Sendai weather statistics
Hottest month: August 28.3°C 82.9°F
Driest month: December 38mm 1.5ins
Sunniest month: March 6.2hrs
Coldest month: January 5.1°C 41.2°F
Wettest month: September 174mm 6.9ins
Warmest sea: August 24.5°C 76.1°F
Map showing location of Sendai (38.26889, 140.87194)

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