Narita monthly weather averages

Average daytime temperature

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

Narita average temperature chart (Celsius) Narita average temperature chart (Fahrenheit)
Average monthly temperatures in Narita (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.2 9.4 12.2 17.3 21.6 23.9 27.2 29.5 25.7 20.7 16.2 11.7
°F 48.5 48.9 54 63.2 70.8 75 81 85.1 78.3 69.3 61.1 53

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.

Narita monthly rainfall chart (mm) Narita monthly rainfall chart (inches)
Average monthly rainfall in Narita (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 51 71 104 114 119 157 109 122 174 169 93 51
inches 2 2.8 4.1 4.5 4.7 6.2 4.3 4.8 6.9 6.6 3.7 2
Rainy days 10 12 17 16 16 19 18 15 19 16 13 10

Average annual rainfall in Narita: 1509.8mm (594.4 inches)

Average daily sunshine

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

Narita average daily sunshine chart
Average daily sunshine Narita
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.2 5.8 5.7 5.7 6.3 4.4 4.9 6.4 4.4 4.6 5 6

Day / night temperatures

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

Narita average minimum / maximum temperatures (Celsius) Narita average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Narita (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.6 0.2 3.2 8.7 13.5 17.4 21 22.8 19.3 13.1 7.4 1.9
Max °C 9.4 9.6 12.5 17.6 21.8 24.1 27.4 29.7 25.9 20.9 16.4 11.9
Min °F 30.9 32.4 37.7 47.6 56.2 63.2 69.8 73 66.7 55.6 45.3 35.4
Max °F 39.9 40.8 46 55.6 63.7 69.3 75.6 79.2 72.7 62.6 53.4 44.4

Sea temperature

The graph below shows the average sea temperature.

Narita average sea temperature chart (Celsius) Narita average sea temperature chart (Fahrenheit)
Average sea temperature around Narita in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.9 15.7 15.8 17.4 19.7 21.9 24.3 26.4 25.6 23.2 21.2 18.9
°F 62.4 60.3 60.5 63.3 67.5 71.4 75.7 79.5 78.1 73.8 70.1 66

Wind speed

The graph below shows the average wind speed.

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

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.

Narita relative humidity averages
Average relative humidity in Narita
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
59% 61% 64% 72% 75% 82% 83% 81% 81% 75% 70% 64%

Other monthly averages

UV index Best time to go?

Narita weather stats

Narita weather statistics
Hottest month: August 29.5°C 85.1°F
Driest month: December 51mm 2ins
Sunniest month: January 6.2hrs
Coldest month: January 9.2°C 48.6°F
Wettest month: September 174mm 6.9ins
Warmest sea: August 26.4°C 79.5°F
Map showing location of Narita (35.78333, 140.31667) Narita map pin © Google

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