October weather forecast
Tomari, Japan

October

Weather in October

October, the same as September, is a cool autumn month in Tomari, Japan, with an average temperature varying between 12.6°C (54.7°F) and 5.9°C (42.6°F).

Temperature

With the onset of October, Tomari's average high-temperature adjusts, receding from September's comfortable 19.6°C (67.3°F) to a fresh 12.6°C (54.7°F). An average temperature of 5.9°C (42.6°F) is recorded during the nights in October.

Humidity

In Tomari, Japan, the average relative humidity in October is 81%.

Rainfall

In Tomari, in October, it is raining for 17.1 days, with typically 64mm (2.52") of accumulated precipitation. Throughout the year, in Tomari, there are 157.1 rainfall days, and 887mm (34.92") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.3 snowfall days, it receives 16mm (0.63") of snow. In Tomari, during the entire year, snow falls for 120.8 days and aggregates up to 2288mm (90.08") of snow.

Daylight

The average length of the day in October is 11h and 3min.
On the first day of the month, sunrise is at 05:35 and sunset at 17:19. On the last day of October, sunrise is at 06:11 and sunset at 16:31 JST.

Sunshine

The average sunshine in October is 6.2h.

UV index

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during October translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the average October temperature in Tomari?
The high-temperature during October is 12.6°C (54.7°F) and the low-temperature is 5.9°C (42.6°F).
What is the average humidity in October?
In Tomari, the average relative humidity in October is 81%.
How many days does it rain in October?
In Tomari, Japan, in October, during 17.1 rainfall days, 64mm (2.52") of precipitation is typically accumulated.
When does it start snowing?
October is the first month it typically snows in Tomari. Throughout October, in the average 1.3 snowfall days, it receives 16mm (0.63") of snow.
What is the average length of the day in October?
In Tomari, Japan, the average day length in October is 11h and 3min.
What time are sunrise and sunset in October?
On the first day of October, sunrise is at 05:35 and sunset at 17:19. On the last day of the month, sunrise is at 06:11 and sunset at 16:31 JST.
How long on average sun shines in October?
In October, the average sunshine duration is 6.2h.
How high is the UV index in October?
In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in October
Tomari, Japan
  • Average high temperature in October: 12.6°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in October: 5.9°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (-8.9°C).

Average pressure in October
Tomari, Japan
  • Average pressure in October: 1016.1mbar

The month with the highest atmospheric pressure is November (1016.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).

Average wind speed in October
Tomari, Japan
  • Average wind speed in October: 12.3km/h

The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).

Average humidity in October
Tomari, Japan
  • Average humidity in October: 81%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (79%).

Average rainfall in October
Tomari, Japan
  • Average rainfall in October: 64mm

The wettest month (with the highest rainfall) is August (105mm).
The driest month (with the least rainfall) is April (52mm).

Average rainfall days in October
Tomari, Japan
  • Average rainfall days in October: 17.1 days

The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is January (3.4 days).

Average snowfall in October
Tomari, Japan
  • Average snowfall in October: 16mm

The month with the highest snowfall is December (598mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in October
Tomari, Japan
  • Average snowfall days in October: 1.3 days

The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Tomari, Japan
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 6h and 1min

The months with the most sunshine are May and August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).

Average sunshine days in October
Tomari, Japan
  • Average sunshine days in October: 10.2 days

The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is January (2.7 days).

Average UV index in October
Tomari, Japan
  • Average UV index in October: 2

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in October
Tomari, Japan
  • Average cloud cover in October: 46

The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 43).

Average visibility in October
Tomari, Japan
  • Average visibility in October: 9km

The months with the highest visibility are April, May and October (9km).
The months with the lowest visibility are January, February, July, August and December (7km).

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