Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
October's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 26.1°C (79°F) in September to a pleasant 21.7°C (71.1°F). The nights of October anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 17.9°C (64.2°F).Humidity
The average relative humidity in October is 74%.Rainfall
In Koyasu, in October, it is raining for 15.5 days, with typically 119mm (4.69") of accumulated precipitation. Throughout the year, there are 151.7 rainfall days, and 886mm (34.88") of precipitation is accumulated.Snowfall
In Koyasu, snow does not fall in April through December.Daylight
In Koyasu, the average length of the day in October is 11h and 18min.On the first day of the month, sunrise is at 05:37 and sunset at 17:27. On the last day of October, in Koyasu, sunrise is at 06:03 and sunset at 16:49 JST.
Sunshine
The average sunshine in October is 6.8h.UV index
In Koyasu, Japan, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in October interprets into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Koyasu?
What is the average humidity in October in Koyasu?
How many days does it rain in October in Koyasu?
When it does not snow in Koyasu?
What is the average length of the day in October in Koyasu?
When are sunrise and sunset in October in Koyasu?
How long on average sun shines in October in Koyasu?
How high is the UV index in October in Koyasu?
Average temperature in October
Koyasu, Japan
- Average high temperature in October: 21.7°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in October: 17.9°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in October
Koyasu, Japan
- Average pressure in October: 1016.3mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in October
Koyasu, Japan
- Average wind speed in October: 18.9km/h
The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in October
Koyasu, Japan
- Average humidity in October: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).
Average rainfall in October
Koyasu, Japan
- Average rainfall in October: 119mm
The wettest month (with the highest rainfall) is September (125mm).
The driest months (with the least rainfall) are February and December (39mm).
Average rainfall days in October
Koyasu, Japan
- Average rainfall days in October: 15.5 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in October
Koyasu, Japan
- Average snowfall in October: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in October
Koyasu, Japan
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in October /
Average sunshine in October
Koyasu, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in October
Koyasu, Japan
- Average sunshine days in October: 12.8 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is September (11.2 days).
Average UV index in October
Koyasu, Japan
- Average UV index in October: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in October
Koyasu, Japan
- Average cloud cover in October: 43
The months with the most cloud cover are March, June and October (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Koyasu, 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).
