Iwaki monthly weather averages

Contents

Average daytime temperature

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

Iwaki average temperature chart (Celsius) Iwaki average temperature chart (Fahrenheit)
Average monthly temperatures in Iwaki (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.1 7.2 9.9 15 19.1 21.6 24.9 27.3 24.2 19.4 14.7 10
°F 44.7 44.9 49.8 59 66.5 70.9 76.8 81.1 75.6 67 58.5 49.9

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.

Iwaki monthly rainfall chart (mm) Iwaki monthly rainfall chart (inches)
Average monthly rainfall in Iwaki (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 40 57 95 120 138 155 120 145 177 151 79 35
inches 1.6 2.3 3.8 4.7 5.4 6.1 4.7 5.7 7 6 3.1 1.4
Rainy days 14 15 17 16 16 20 21 18 20 16 14 12

Average annual rainfall in Iwaki: 1489.6mm (586.5 inches)

Average daily sunshine

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

Iwaki average daily sunshine chart
Average daily sunshine Iwaki
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.3 6.2 6.4 6.3 6.8 4.9 4.9 6.2 4.4 5.1 5.4 5.9

Day / night temperatures

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

Iwaki average minimum / maximum temperatures (Celsius) Iwaki average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Iwaki (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -2.1 -1.6 0.9 6 10.9 15.1 19 20.8 17.4 11 5.3 0.4
Max °C 7.3 7.4 10.1 15.2 19.4 21.8 25.1 27.5 24.4 19.7 15 10.2
Min °F 28.2 29.1 33.6 42.8 51.5 59.1 66.1 69.4 63.3 51.7 41.5 32.7
Max °F 36.7 37.2 41.9 51.1 59.2 65.1 71.6 75.4 69.6 59.5 50.2 41.5

Sea temperature

The graph below shows the average sea temperature.

Iwaki average sea temperature chart (Celsius) Iwaki average sea temperature chart (Fahrenheit)
Average sea temperature around Iwaki in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.1 12.5 12.5 14.2 17.1 20.1 22.7 25.2 24.2 21.5 19.1 16.6
°F 57.3 54.5 54.5 57.5 62.7 68.3 72.9 77.4 75.6 70.7 66.3 61.8

Wind speed

The graph below shows the average wind speed.

Iwaki average winspeed by month (km/h) Iwaki average winspeed by month (mph)
Average wind speed in Iwaki (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 9
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.

Iwaki relative humidity averages
Average relative humidity in Iwaki
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
62% 62% 64% 70% 75% 83% 86% 84% 81% 75% 71% 66%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Iwaki weather stats

Iwaki weather statistics
Hottest month: August 27.3°C 81.1°F
Driest month: December 35mm 1.4ins
Sunniest month: January 6.3hrs
Coldest month: January 7.1°C 44.8°F
Wettest month: September 177mm 7ins
Warmest sea: August 25.2°C 77.4°F
Map showing location of Iwaki (37.05, 140.88333) Iwaki map pin © Google

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