October weather forecastHeiwajima, Japan

October

Weather in October

October, like September, is another pleasant autumn month in Heiwajima, Japan, with an average temperature fluctuating between 21.5°C (70.7°F) and 16.8°C (62.2°F).

Temperature

The transition into October involves a decrease in the average high-temperature, falling from a moderately hot 26.5°C (79.7°F) in September to an agreeable 21.5°C (70.7°F). Heiwajima marks an average drop to a comfortable 16.8°C (62.2°F) during nighttime in October, following the high of the day.

Humidity

In Heiwajima, the average relative humidity in October is 74%.

Rainfall

October is the month with the most rainfall in Heiwajima. Rain falls for 15.3 days and accumulates 100mm (3.94") of precipitation.

Snowfall

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

Daylight

In Heiwajima, the average length of the day in October is 11h and 18min.
On the first day of October, sunrise is at 05:36 and sunset at 17:25. On the last day of the month, sunrise is at 06:02 and sunset at 16:47 JST.

Sunshine

The average sunshine in October is 6.6h.

UV index

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 4 during October morphs into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

The high-temperature, in October, in Heiwajima, is 21.5°C (70.7°F), while the low-temperature averages to 16.8°C (62.2°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 36°C (96.8°F).

In Heiwajima, Japan, the average relative humidity in October is 74%.

October is the month with the most rainfall in Heiwajima, Japan. Rain falls for 15.3 days and accumulates 100mm (3.94") of precipitation.

In Heiwajima, during October, the rain falls for 15.3 days and regularly aggregates up to 100mm (3.94") of precipitation.

April through December are months without snowfall.

In October, the average day length in Heiwajima is 11h and 18min.

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

The average sunshine duration in October in Heiwajima, Japan, is 6.6h.

In Heiwajima, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Heiwajima, Japan

  • Average high temperature in October: 21.5°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in October: 16.8°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).

Average pressure in October
Heiwajima, Japan

  • Average pressure in October: 1016.5mbar

The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in October
Heiwajima, Japan

  • Average wind speed in October: 15.4km/h

The windiest month (with the highest average wind speed) is April (17.3km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).

Average humidity in October
Heiwajima, Japan

  • Average humidity in October: 74%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).

Average rainfall in October
Heiwajima, Japan

  • Average rainfall in October: 100mm

The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is December (36mm).

Average rainfall days in October
Heiwajima, Japan

  • Average rainfall days in October: 15.3 days

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in October
Heiwajima, Japan

  • Average snowfall in October: 0mm

The month with the highest snowfall is February (37mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in October
Heiwajima, Japan

  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in October: 11h and 18min

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 36min

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 30min).

Average sunshine days in October
Heiwajima, Japan

  • Average sunshine days in October: 13 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in October
Heiwajima, 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).

Average cloud cover in October
Heiwajima, Japan

  • Average cloud cover in October: 45

The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 31).

Average visibility in October
Heiwajima, 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).