Weather in Tokyo, in 5 minutes to understand

Hello, world !

This is shinta_in_japan.
Today’s topic is ‘Weather in Tokyo’.

In this article, I would like to introduce climate of Tokyo city area, with itemized style. You might learn weather in Tokyo with 5 minutes of reading.

Have fun !

Weather Conditions

To enjoy staying in Tokyo, weather is very important. For your planning, I have summarized number of days in each weather conditions in average, based on statistics of past 30 years by JMA, as of 2020.

• Sunny day (sunshine ratio more than 40%)
  • 197.5 days in a year

• Rainy day (Rain more than 1mm)
  • 101.4 days in a year

• Snowing day
  • 9.7 days in a year (Dec-Apr)

• Snowfall Record
  • In a day: 33 cm (1969/3/12, 1954/1/24)
  • Total : 46 cm (1883/2/8)

• Rainy Season
  • Start : Around 8th. June
  • End : Around 21st. July

• Typhoon (approaching to 300 km)
  • 3.1 times in a year (Jun-Oct)

**JMA = Governmental office, Japan Meteorological Agency

Temperature

Difference of temperature between winter and summer is very large in Tokyo. For visitors to Tokyo, I would like to summarize temperature in Tokyo, based on statistics of JMA, as follows.

• High temperature
  • Above 30℃ : 46.4 days in a year (May-Oct)
  • Above 35℃ : 2.4 days in a year (Jul-Sep)

• Low temperature
  • Below 0℃ : 20.5 days in a year (Dec-Apr)

• Record (Day High)
  • + 39.5℃ (2004/7/20)
  • – 1.0℃ (1900/1/26)

• Record (Day Low)
  • + 30.4℃ (2013/8/11)
  • – 9.2 (1876/1/13)

• Monthly average
  • High : + 9.6 ℃ (Jan) / + 30.8 ℃ (Aug)
  • Low : + 0.9 ℃ (Jan) / + 23.0 ℃ (Aug)
  • Ave : + 5.2 ℃ (Jan) / + 26.4 ℃ (Aug)

Daytime

Tokyo is located at lat 35°40’ N at long 140 E. To enjoy various activities outside, length of daytime is very important factor. For the convenience of visitors, I would like to summarize it as follows:

• Summer Solstice
  • Sunrise : around 04:26
  • Sunset : around 19:00
  • Daytime : around 14h30min

• Winter Solstice
  • Sunrise : around 06:46
  • Sunset : around 16:31
  • Daytime : around 9h45min

• Spring equinox
  • Sunrise : around 05:45
  • Sunset : around 17:53

• Autumn equinox
  • Sunrise : around 05:29
  • Sunset : around 17:38

** Data by National Astronomical Observatory of Japan

Biological information

Japanese feel change of season from biological information. Following data is based on observation by JMA. Please refer it as benchmarks of season in Tokyo.

• Sakura (Winter >> Spring)
  • Opening
    • Average : 26th. March
    • Earliest : 16th. March(2013)
    • Latest : 11th. April (1984)
  • Full blossom
    • Average : 3rd. April
    • Earliest : 21st. March (2002)
    • Latest : 17th. April (1984)

• Cicada shrills (Rainy season >> Summer)
  • First shrills of brown cicada
    • Average : 24th. July
    • Earliest : 26th. June (2005)
    • Latest : 7th. August (1986)

• Japanese silver grass (Summer >> Autumn)
  • Opening
    • Average : 9th. September
    • Earliest : 27th. August (1997)
    • Latest : 5th. October (2010)

• Ginkgo tree (Autumn >> Winter)
  • Fallen leaves
    • Average : 29th. November
    • Earliest : 11th. November (1968)
    • Latest : 13th. December (2019)

Postscript

That’s all today.
How was the content today ?

I actually working in Tokyo. I feel that summer is very hot and winter is cold. Weather conditions in Tokyo is different in each season. I hope this article could assist you to learn climate in Tokyo.

In the end, thank you very much for your reading and see you again !