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 sea temperature 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
Weather in October
Temperature
The shift from September to October involves a decrease in the average high-temperature, from an agreeable 20.2°C (68.4°F) to a mild 13.5°C (56.3°F). During October, the temperature is averaged to a low of 7.2°C (45°F) at night.Humidity
The months with the lowest humidity in Ishikari are April and October, with an average relative humidity of 77%.Rainfall
In Ishikari, Japan, in October, during 18.8 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, in Ishikari, there are 169.9 rainfall days, and 854mm (33.62") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Ishikari. Throughout October, in the average 0.5 snowfall days, it receives 3mm (0.12") of snow. In Ishikari, during the entire year, snow falls for 111.1 days and aggregates up to 1455mm (57.28") of snow.Sea temperature
In Ishikari, in October, the average water temperature is 16.7°C (62.1°F).Note: Most people do not take pleasure in swimming in water at 16.7°C (62.1°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Ishikari, Japan, the average length of the day in October is 11h and 3min.On the first day of October, sunrise is at 05:32 and sunset at 17:16. On the last day of the month, sunrise is at 06:08 and sunset at 16:28 JST.
Sunshine
The average sunshine in October in Ishikari is 6.6h.UV index
The average daily maximum UV index in October in Ishikari is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In October, a daily UV index of 2 turns into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the usual temperature for Ishikari in October?
What is the least humid month in Ishikari?
What is the average humidity in October in Ishikari?
How many days does it rain in October in Ishikari?
When does it start snowing in Ishikari?
How cold is the water in October in Ishikari?
How many hours of daylight does Ishikari have in October?
What time are sunrise and sunset in October in Ishikari?
How many hours of sunshine does Ishikari have in October?
How high is the UV index in October in Ishikari?
Average temperature in October
Ishikari, Japan
- Average high temperature in October: 13.5°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in October: 7.2°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (-8.5°C).
Average pressure in October
Ishikari, Japan
- Average pressure in October: 1015.9mbar
The month with the highest atmospheric pressure is November (1016mbar).
The month with the lowest atmospheric pressure is July (1008.5mbar).
Average wind speed in October
Ishikari, Japan
- Average wind speed in October: 14.6km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in October
Ishikari, Japan
- Average humidity in October: 77%
The months with the highest relative humidity are January and July (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in October
Ishikari, Japan
- Average rainfall in October: 61mm
The wettest month (with the highest rainfall) is August (123mm).
The driest month (with the least rainfall) is April (45mm).
Average rainfall days in October
Ishikari, Japan
- Average rainfall days in October: 18.8 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in October
Ishikari, Japan
- Average snowfall in October: 3mm
The month with the highest snowfall is January (377mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Ishikari, Japan
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (27.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Ishikari, Japan
- Average sea temperature in October: 16.7°C
The best month for swimming (with the highest average sea temperature) is August (21.6°C).
The coldest months (with the lowest average sea temperature) are February and March (5.3°C).
Average daylight in October /
Average sunshine in October
Ishikari, Japan
- Average daylight in October: 11h and 0min
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 4min
The months with the most sunshine are May and August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in October
Ishikari, Japan
- Average sunshine days in October: 9.9 days
The month with the most sunshine days is May (12.1 days).
The month with the least sunshine days is December (2.2 days).
Average UV index in October
Ishikari, Japan
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in October
Ishikari, Japan
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in October
Ishikari, Japan
- Average visibility in October: 10km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February and December (7km).
Ishikari, Japan
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