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Does It Snow in Tokyo? Tokyo Snowfall Probability Based on Amount and Number of Snow Days

Does It Snow in Tokyo? Tokyo Snowfall Probability Based on Amount and Number of Snow Days

Date published: 7 February 2020
Last updated: 3 June 2020

Does Tokyo get snow? If so, how much snowfall does Tokyo see? Many people who visit Tokyo during the winter are impressed by the snowscape of the city. Even amidst the bustle of Tokyo, the white snow drifting down appears to slow down the flow of time, creating a different image of the city than usual.

Watching the snowfall in the unfamiliar town of an unfamiliar new country can be one of the most unforgettable memories of your life. If you happen to take the time to visit Tokyo during the snowy season, please enjoy the changing shape of the city under the snow.

So how often can you actually see snow in Tokyo? We estimate the snowfall probability in Tokyo in reference to snowfall amount and the number of snow days by the Meteorological Agency of Japan.

Table of Contents
  1. 1. What is Tokyo’s Winter Climate Like?
  2. 2. Tokyo Gets Snow About 7.6 Times per Season, Mainly in January and February
  3. 3. What kind of weather conditions must be met to see snow in Tokyo?
  4. 4. Does Tokyo get a lot of snow?
  5. 5. Tokyo Snowfall Compared to Nagoya and Osaka
  6. Conclusion

1. What is Tokyo’s Winter Climate Like?

1. What is Tokyo’s Winter Climate Like?
Winter climate in Tokyo

According to the chart which shows the winter climate change in Tokyo during the years 2015 to 2018, there was a tendency for the average temperature to drop by 2 to 3 degrees from December to January. The cold also appears to peak during these months.

Also, because the temperature in January generally hits a low of less than 2 degrees (C), make sure to properly prepare against the cold when sightseeing around Tokyo. Dress appropriately, such as with thick coats and down, and don't forget your gloves and scarves.

2. Tokyo Gets Snow About 7.6 Times per Season, Mainly in January and February

Snow Days in Tokyo over the Past 10 Years
Year
Snow Days (Cold year)
2018
23
2017
0
2016
6
2015
3
2014
27
2013
8
2012
4
2011
2
2010
1
2009
0

*The cold weather year is indicated by the period between August 1 of the previous year and July 31 of the current year. For example, the cold weather year indicated here is the period from August 1, 2017, to July 31, 2018. Source: JMA


Looking at the number of snow days in Tokyo over the past 10 years, the year with the most snowfall was 2010 with 14 days, and the year with the least was 2013 with only 5 days.

The average number of snow days in the past 10 years is 9.6 days. This means that the opportunity to see snow in Tokyo is limited to about 10 times a year.

So when exactly is the best time with the highest possibility to see snow in Toyok?

Looking at the number of snow days by month over the past 3 years, we can see that these days are most concentrated through January and February, when the temperature reaches the biggest drop during the year.

If you want to enjoy seeing snowy Tokyo, the best bet would be to visit between January and February.

3. What kind of weather conditions must be met to see snow in Tokyo?

3. What kind of weather conditions must be met to see snow in Tokyo?

"There is possibility for snowfall on a day when the temperature is between 0 to 2 degrees (℃) and humidity is low." In brief, as summed up by this single sentence, we understand that a low temperature is one of the biggest concerns regarding snow conditions.

In the upper atmosphere, snow exists regardless of the season, however it only appears on the surface of the earth as snow if the temperature is low enough. If the temperature is too high, the structure of the snow will melt and fall as rain.

In other words, it is necessary for the temperature to remain low in order for the snow to reach the Earth's surface as snow. One theory also states that when the temperature is roughly 2 degrees (C) or below, atmospheric pressure becomes another key factor affecting snowfall.

Generally, when the 'south coast low pressure' passes south of the Hachijo-jima Islands located south of Tokyo, there is a high possibility that the moist air from the low pressure will cool in the upper-air sky and snow will fall around Tokyo.

However, it is still difficult even for professional weather forecasters to accurately predict snowfall dates just by reading the air pressure. Therefore, it is probably much simpler and more appropriate to remember that "there is a possibility that snow may fall when the temperature is between 0 to 2 degrees (℃) and humidity is low."

4. Does Tokyo get a lot of snow?

The greatest snowfall depth in Tokyo in the past 10 years
Year
Deepest Snowfall (cm)
2018
23
2017
0
2016
6
2015
3
2014
27
2013
8
2012
4
2011
2
2010
1
2009
0

How much snow falls in Tokyo? Looking at the max snowfall amount over the past 10 years, the most snow accumulated was in 2014, at about 27 cm high, or knee-depth.

While it wasn't enough to make walking impossible, it was a dangerous amount for people traveling by bicycle or motorcycle.

It also impacted various transportation facilities, causing delays and cancellations for most of the Tokyo railways, and road closings on some highways connecting Tokyo with other regions.

One should bear in mind that when snowfall in Tokyo reaches an amount high enough to classify it as 'heavy' that it is likely to have the biggest impact on transportation.

Now what about snowfall in Nagoya and Osaka, two other major Japanese cities in line with Tokyo?

5. Tokyo Snowfall Compared to Nagoya and Osaka

5. Tokyo Snowfall Compared to Nagoya and Osaka

Compared with Osaka and Nagoya, the number of snow days in Tokyo is smaller throughout the year, while the amount of snow accumulation tends to be greater. However in Osaka, the number of snow days is greater than Tokyo, yet snow accumulation rarely reaches over 5 cm.

Compared with other major cities of Japan, we can see that the amount of snowfall in Tokyo is relatively large.

Advantages of Snowfall in Tokyo:
・In place of the usually cold, robotic, high-rise-lined streets of Tokyo City, a fantastic winter scenery can be seen.
・You can enjoy a different kind of sightseeing experience at popular tourist spots such as Tokyo Tower, Sky Tree and Senso-ji in Asakusa.

Disadvantages of Snowfall in Tokyo:
· Train delays and cancellations
· Road congestion
· Highway closings
· Flight cancellations
· Slippery ground, increased chance of injury while walking

Conclusion

Conclusion

In conclusion, yes, you can definitely experience snowfall in Tokyo. Compared with other major cities of Japan such as Nagoya and Osaka, though snowfall days in Tokyo are few, when snow does fall it can be as heavy as 20cm in depth.

If you want to sightsee around Tokyo's snowy landscape, the best recommended period to do so is between January and February, when the temperature reaches its lowest point in the year.

If you are lucky enough to experience the snowy days of Tokyo, the winter scenery of the city is sure to become a memory you will cherish for the rest of your life.

*This information is from the time of this article's publication.
*Prices and options mentioned are subject to change.
*Unless stated otherwise, all prices include tax.

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