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
Weather in October
Temperature
The shift from September to October corresponds with a decrease in the average high-temperature, down to a refreshing 59°F (15°C) from a pleasant 70.3°F (21.3°C). An average low-temperature of 44.8°F (7.1°C) marks the nights in Vashon throughout October.Humidity
The average relative humidity in October is 79%.Rainfall
In October, the rain falls for 12.5 days. Throughout October, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Vashon, Washington, there are 138.2 rainfall days, and 14.09" (358mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Vashon.Daylight
The average length of the day in October is 10h and 50min.On the first day of October in Vashon, Washington, 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
The average sunshine in October in Vashon is 5.6h.UV index
In Vashon, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in October suggests the following recommendations:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the average October temperature in Vashon?
What is the average humidity in October in Vashon?
How much does it rain in Vashon in October?
When it does not snow in Vashon?
Does it snow in Vashon in October?
How many hours of daylight does Vashon have in October?
When is the sunrise / sunset in October in Vashon?
How long on average sun shines in October in Vashon?
How high is the UV index in October in Vashon?
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 5min
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 4min
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).
Vashon, Washington, USA
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