October weather forecastSnohomish, WA
October
Weather in October
October, like September, is another mild autumn month in Snohomish, Washington, with an average temperature varying between 43.9°F (6.6°C) and 57.7°F (14.3°C).Temperature
With the onset of October, Snohomish's average high-temperature adjusts, receding from September's agreeable 68.2°F (20.1°C) to a refreshing 57.7°F (14.3°C). An average low-temperature of 43.9°F (6.6°C) is observed during October nights.Humidity
In October, the average relative humidity is 81%.Rainfall
In Snohomish, in October, it is raining for 12.4 days, with typically 1.57" (40mm) of accumulated precipitation. In Snohomish, during the entire year, the rain falls for 140.3 days and collects up to 15.12" (384mm) of precipitation.Snowfall
In Snohomish, snow does not fall in May through October.Daylight
In October, the average length of the day is 10h and 49min.On the first day of the month, sunrise is at 7:08 am and sunset at 6:46 pm. On the last day of October, sunrise is at 7:52 am and sunset at 5:51 pm PDT.
Sunshine
The average sunshine in October is 5.4h.UV index
In Snohomish, Washington, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 3 in October translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Snohomish, WA
- Average high temperature in October: 57.7°F
The warmest month (with the highest average high temperature) is August (74.7°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in October: 43.9°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in October
Snohomish, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in October
Snohomish, WA
- Average wind speed in October: 4.4mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in October
Snohomish, WA
- Average humidity in October: 81%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (72%).
Average rainfall in October
Snohomish, WA
- Average rainfall in October: 1.57"
The wettest month (with the highest rainfall) is December (2.17").
The driest month (with the least rainfall) is August (0.28").
Average rainfall days in October
Snohomish, WA
- Average rainfall days in October: 12.4 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in October
Snohomish, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Snohomish, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.7 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
Snohomish, WA
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in October: 5h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in October
Snohomish, WA
- Average sunshine days in October: 17.8 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in October
Snohomish, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Snohomish, 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
Snohomish, WA
- Average visibility in October: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (5mi).





