Iwata monthly weather averages

Contents

Average daytime temperature

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

Iwata average temperature chart (Celsius) Iwata average temperature chart (Fahrenheit)
Average monthly temperatures in Iwata (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.8 10.5 13.6 18.5 22.4 25 28.5 30.3 27.3 22.4 17.6 12.4
°F 49.6 51 56.5 65.3 72.3 77.1 83.2 86.5 81.1 72.4 63.6 54.4

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.

Iwata monthly rainfall chart (mm) Iwata monthly rainfall chart (inches)
Average monthly rainfall in Iwata (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 62 89 158 192 211 279 232 224 222 155 110 59
inches 2.4 3.5 6.2 7.5 8.3 11 9.1 8.8 8.7 6.1 4.3 2.3
Rainy days 11 12 16 16 15 18 18 15 18 15 12 9

Average annual rainfall in Iwata: 2163.667mm (851.8 inches)

Average daily sunshine

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

Iwata average daily sunshine chart
Average daily sunshine Iwata
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.8 6.5 6.5 6.1 6.7 5 5.7 7.2 5.4 5.5 5.8 6.6

Day / night temperatures

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

Iwata average minimum / maximum temperatures (Celsius) Iwata average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Iwata (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.7 2.3 5 10.5 14.7 18.8 22.8 24 20.8 15 9.5 4.2
Max °C 10 10.8 13.9 18.7 22.6 25.2 28.6 30.5 27.5 22.6 17.8 12.7
Min °F 35 36.1 40.9 50.9 58.4 65.8 73 75.1 69.4 59 49 39.5
Max °F 42.4 43.7 48.9 58.3 65.5 71.6 78.3 81 75.4 65.8 56.5 47.1

Sea temperature

The graph below shows the average sea temperature.

Iwata average sea temperature chart (Celsius) Iwata average sea temperature chart (Fahrenheit)
Average sea temperature around Iwata in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 17.8 17 17.3 18.5 20.7 23.2 26 27.7 26.6 24.2 22 19.7
°F 64 62.6 63.1 65.3 69.3 73.8 78.7 81.8 79.8 75.5 71.7 67.5

Wind speed

The graph below shows the average wind speed.

Iwata average winspeed by month (km/h) Iwata average winspeed by month (mph)
Average wind speed in Iwata (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 15 13 12 11 10 10 10 11 12 14
mph 10 10 9 8 7 7 6 7 7 7 8 9

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.

Iwata relative humidity averages
Average relative humidity in Iwata
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
59% 60% 61% 70% 73% 80% 83% 80% 77% 72% 67% 62%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Iwata weather stats

Iwata weather statistics
Hottest month: August 30.3°C 86.5°F
Driest month: December 59mm 2.3ins
Sunniest month: January 6.8hrs
Coldest month: January 9.8°C 49.6°F
Wettest month: June 279mm 11ins
Warmest sea: August 27.7°C 81.9°F
Map showing location of Iwata (34.7, 137.85) Iwata map pin © Google

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