Weather in Osaka, in 5 minutes to understand

Hello, world !

This is shinta_in_japan.
Today’s topic is ‘Weather in Osaka city’.

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

Have fun !

Weather Conditions

Osaka is the largest city in ‘Kansai’ area. There is ‘Shin-Osaka’ station as terminal of Shinkansen, in this city. Please kindly refer to the 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%)
  • 211.8 days in a year

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

• Snowing day (Snow/Rain can be duplicated)
  • 15.5 days in a year (Nov-Mar)

• Snowfall Record
  • In a day : 18 cm (1984/1/31)
  • Total: 18 cm (1907/2/11)

• Rainy Season
  • Start : Around 7th. June
  • End : Around 21st. July

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

**JMA = Governmental office, Japan Meteorological Agency

Temperature

In Osaka, summer is very hot and humid. It’s very severe season. For your easy understanding, I would like to summarize temperature in Osaka city, based on statistics of JMA, as follows.

• High temperature
  • Above 30℃ : 73.2 days in a year (May-Oct)
  • Above 35℃ : 11.6 days in a year (Jul-Sep)

• Low temperature
  • Below 0℃ : 6.8 days in a year (Dec-Mar)

• Record (Day High)
  • + 39.1 ℃ (1994/8/8)
  • – 0.8 ℃ (1936/1/17)

• Record (Day Low)
  • + 30.5 ℃ (2018/8/22)
  • – 7.5 ℃ (1945/1/28))

• Monthly average
  • High : + 9.5 ℃ (Jan) / + 33.4 ℃ (Aug)
  • Low : + 2.8 ℃ (Jan) / + 25.4 ℃ (Aug)
  • Ave : + 6.0 ℃ (Jan) / + 28.8 ℃ (Aug)

Daytime activities

Osaka city is located at lat 34° 41 N at long 135E. To enjoy various activities outside in Osaka, length of daytime is very important factor. For the convenience of visitors, I would like to summarize it as follows:

• Summer Solstice
  • Sunrise : around 04:45
  • Sunset : around 19:14
  • Daytime : around 14h30min

• Winter Solstice
  • Sunrise : around 07:01
  • Sunset : around 16:51
  • Daytime : around 9h50min

• Spring Equinox
  • Sunrise : around 06:02
  • Sunset : around 18:10

• Autumn Equinox
  • Sunrise : around 05:46
  • Sunset : around 17:55

** Data by National Astronomical Observatory of Japan

Biological information

Osaka is a city with rich culture and beautiful scenery in each season. Following biological data is based on observation by JMA. Please refer it as benchmarks to find season in Osaka

• Sakura (Winter >> Spring)
  • Opening
    • Average : 28th. March
    • Earliest : 20th. March (2018)
    • Latest : 10th. April (1984)
  • Full blossom
    • Average : 5th. April
    • Earliest : 26th. March (2018)
    • Latest : 16th. April (1984)

• Cicada shrills (Rainy season >> Summer)
  • First shrills of brown cicada
    • Average : 16th. July
    • Earliest : 4th. July (2001)
    • Latest : 1st. August (1972)

• Japanese silver grass (Summer >> Autumn)
  • Opening
    • Average : 8th. September
    • Earliest : 19th. July (2002)
    • Latest : 6th. October (2010)

• Ginkgo tree (Autumn >> Winter)
  • Fallen leaves
    • Average : 3rd. December
    • Earliest : 20th. November (1984)
    • Latest : 11th. December (2000)

Postscript

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

I was born in Osaka and my parents still live there. I love this city, except severe weather in summer… I hope this article could assist you to learn climate in Osaka, to enjoy staying there.

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