October weather forecastVashon, WA
October
Weather in October
October, the same as September, in Vashon, Washington, is another refreshing autumn month, with an average temperature fluctuating between 44.8°F (7.1°C) and 59°F (15°C).Temperature
Vashon's weather in October involves a decrease in the average high-temperature, moving down from September's agreeable 70.3°F (21.3°C) to a mild 59°F (15°C). An average nighttime temperature of 44.8°F (7.1°C) is recorded during October.Humidity
In October, the average relative humidity is 79%.Rainfall
In Vashon, in October, during 12.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 138.2 rainfall days, and 14.09" (358mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In October, the average length of the day is 10h and 50min.On the first day of October, sunrise is at 7:10 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:53 pm PDT.
Sunshine
In Vashon, the average sunshine in October is 5.6h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 3 suggests these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Vashon, WA
- Average high temperature in October: 59°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in October: 44.8°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in October
Vashon, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in October
Vashon, WA
- Average wind speed in October: 4.5mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in October
Vashon, WA
- Average humidity in October: 79%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in October
Vashon, WA
- Average rainfall in October: 1.42"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in October
Vashon, WA
- Average rainfall days in October: 12.5 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in October
Vashon, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Vashon, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Vashon, WA
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in October: 5h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in October
Vashon, WA
- Average sunshine days in October: 16.7 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in October
Vashon, WA
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Vashon, WA
- Average cloud cover in October: 43
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in October
Vashon, WA
- Average visibility in October: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
