October weather forecast
Tokyo, Japan

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The cityscape of Tokyo, Japan, taken at dusk
The cityscape of Tokyo, Japan, taken at dusk

Weather in October

October brings a further drop in temperatures, intensifying the autumn's allure in Tokyo. Compared with September, rainfall increases to its highest point at 51mm (2.01"), with precipitation spread across 13.2 days. The city is dressed in shades of crimson and gold, creating a vibrant autumn scenery. The cooler weather makes it an opportune time to delve into seasonal Japanese culinary delights. Though October carries a shower-filled reminder of autumn's presence, residents continue their daily routines with a renewed sense of delight inherent to this time of year.

Temperature

October involves a decrease in temperature, down from a moderately hot 26.8°C (80.2°F) in September to an agreeable 21.6°C (70.9°F). In October, Tokyo encounters an average low-temperature of 16.3°C (61.3°F) during the night.

Humidity

The average relative humidity in October in Tokyo is 72%.

Rainfall

October is the month with the most rainfall in Tokyo, Japan. Rain falls for 13.2 days and accumulates 51mm (2.01") of precipitation.

Snowfall

In Tokyo, snow does not fall in April through December.

Sea temperature

In October, the average sea temperature in Tokyo is 22.2°C (72°F).
Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 22.2°C (72°F) waters might be just right. Remember, Olympic swimmers are used to waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

The average length of the day in October in Tokyo, Japan, is 11h and 17min.
On the first day of the month, sunrise is at 05:36 and sunset at 17:25. On the last day of October, sunrise is at 06:02 and sunset at 16:47 JST.

Sunshine

In October, the average sunshine in Tokyo, Japan, is 6.8h.

UV index

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 4 during October translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Attention! The reflection of both water and sand can increase the intensity of UV rays.
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Frequently asked questions

What is the temperature in October in Tokyo?

The high-temperature, in October, in Tokyo, records 21.6°C (70.9°F), while the low-temperature is 16.3°C (61.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 39°C (102.2°F).

What is the average humidity in October in Tokyo?

In October, the average relative humidity in Tokyo, Japan, is 72%.

What is the wettest month in Tokyo?

The month with the most rainfall is October, when the rain falls for 13.2 days and typically aggregates up to 51mm (2.01") of precipitation.

How many days does it rain in October in Tokyo?

In Tokyo, Japan, in October, during 13.2 rainfall days, 51mm (2.01") of precipitation is typically accumulated.

When it does not snow in Tokyo?

In Tokyo, snow does not fall in April through December.

How warm is the water in October in Tokyo?

In October, the average sea temperature is 22.2°C (72°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.2°C (72°F).

How many hours of daylight does Tokyo have in October?

In Tokyo, the average day length in October is 11h and 17min.

When are sunrise and sunset in October in Tokyo?

In October, on the first day of the month, sunrise is at 05:36 and sunset at 17:25. On the last day of the month, in Tokyo, sunrise is at 06:02 and sunset at 16:47 JST.

How long on average sun shines in October in Tokyo?

In October, the average sunshine duration in Tokyo, Japan, is 6.8h.

What is the UV index reading in October in Tokyo?

In Tokyo, Japan, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND
Sep
October
Nov
Average high temperature
26.8°C 80.2°F
21.6°C 70.9°F
16.5°C 61.7°F
Average low temperature
21.3°C 70.3°F
16.3°C 61.3°F
10.9°C 51.6°F
Average pressure
1013.5mbar 29.93inHg
1016.6mbar 30.02inHg
1018.1mbar 30.06inHg
Average wind speed
12.4km/h 7.7mph
13.6km/h 8.5mph
12.1km/h 7.5mph
Average max. wind speed
13.2km/h 8.2mph
15km/h 9.3mph
13.3km/h 8.3mph
Average wind speed gusts
16.7km/h 10.4mph
19km/h 11.8mph
16.8km/h 10.4mph
Average humidity
74%
72%
68%
Average rainfall
46mm 1.81"
51mm 2.01"
30mm 1.18"
Average rainfall days
12.5
13.2
10.5
Average snowfall
0mm 0"
0mm 0"
0mm 0"
Average snowfall days
0
0
0
Average sea temperature
25.3°C 77.5°F
22.2°C 72°F
20°C 68°F
Average daylight
12h 2min
11h 2min
10h 2min
Average sunshine
8h 1min
6h 5min
6h 0min
Average sunshine days
14.8
15
16.9
Average UV index
5
4
3
Average cloud cover
38%
43%
35%
Average visibility
10km 6.2mi
10km 6.2mi
10km 6.2mi

Average temperature in October
Tokyo, Japan

Average temperature in October - Tokyo, Japan
  • Average high temperature in October: 21.6°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in October: 16.3°C

The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

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Average pressure in October
Tokyo, Japan

Average pressure in October - Tokyo, Japan
  • Average pressure in October: 1016.6mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

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Average wind speed in October
Tokyo, Japan

Average wind speed in October - Tokyo, Japan
  • Average wind speed in October: 13.6km/h

The windiest month (with the highest average wind speed) is April (15.3km/h).
The calmest month (with the lowest average wind speed) is November (12.1km/h).

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Average humidity in October
Tokyo, Japan

Average humidity in October - Tokyo, Japan
  • Average humidity in October: 72%

The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (59%).

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Average rainfall in October
Tokyo, Japan

Average rainfall in October - Tokyo, Japan
  • Average rainfall in October: 51mm

The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is December (21mm).

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Average rainfall days in October
Tokyo, Japan

Average rainfall days in October - Tokyo, Japan
  • Average rainfall days in October: 13.2 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in October
Tokyo, Japan

Average snowfall in October - Tokyo, Japan
  • Average snowfall in October: 0mm

The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in October
Tokyo, Japan

Average snowfall days in October - Tokyo, Japan
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in October
Tokyo, Japan

Average sea temperature in October - Tokyo, Japan
  • Average sea temperature in October: 22.2°C

The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (14°C).

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Average daylight in October /
Average sunshine in October
Tokyo, Japan

Average daylight in October / Average sunshine in October - Tokyo, Japan
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in October: 6h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

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Average sunshine days in October
Tokyo, Japan

Average sunshine days in October - Tokyo, Japan
  • Average sunshine days in October: 15 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (14.4 days).

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Average UV index in October
Tokyo, Japan

Average UV index in October - Tokyo, Japan
  • Average UV index in October: 4

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in October
Tokyo, Japan

Average cloud cover in October - Tokyo, Japan
  • Average cloud cover in October: 43

The months with the most cloud cover are June and October (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 28).

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Average visibility in October
Tokyo, Japan

Average visibility in October - Tokyo, Japan
  • Average visibility in October: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Tokyo, Japan

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