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
Snoqualmie Pass in October experiences a subtle temperature decline, with average high-temperatures reducing from a comfortable 62.1°F (16.7°C) in September to a frosty 49.1°F (9.5°C). In the month of October, Snoqualmie Pass witnesses a consistent average low-temperature of 34.7°F (1.5°C).Humidity
The average relative humidity in October is 81%.Rainfall
In Snoqualmie Pass, in October, it is raining for 14.7 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, in Snoqualmie Pass, there are 127.9 rainfall days, and 28.58" (726mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Snoqualmie Pass, in October, during 5.4 snowfall days, 4.84" (123mm) of snow is typically accumulated. Throughout the year, there are 135.3 snowfall days, and 134.33" (3412mm) of snow is accumulated.Daylight
In Snoqualmie Pass, the average length of the day in October is 10h and 50min.On the first day of October, sunrise is at 7:05 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:49 pm PDT.
Sunshine
In October, the average sunshine is 5.1h.UV index
The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in October translates into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How many days does it rain in October?
How many days does it snow in October?
What is the average length of the day in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Snoqualmie Pass, WA
- Average high temperature in October: 49.1°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in October: 34.7°F
The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in October
Snoqualmie Pass, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in October
Snoqualmie Pass, WA
- Average wind speed in October: 4.1mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in October
Snoqualmie Pass, WA
- Average humidity in October: 81%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is July (69%).
Average rainfall in October
Snoqualmie Pass, WA
- Average rainfall in October: 2.87"
The wettest month (with the highest rainfall) is January (4.21").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in October
Snoqualmie Pass, WA
- Average rainfall days in October: 14.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in October
Snoqualmie Pass, WA
- Average snowfall in October: 4.84"
The month with the highest snowfall is January (27.72").
The months with the least snowfall are July and August (0").
Average snowfall days in October
Snoqualmie Pass, WA
- Average snowfall days in October: 5.4 days
The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Snoqualmie Pass, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).
Average sunshine days in October
Snoqualmie Pass, WA
- Average sunshine days in October: 13 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is February (6 days).
Average UV index in October
Snoqualmie Pass, WA
- Average UV index in October: 2
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 1).
Average cloud cover in October
Snoqualmie Pass, WA
- Average cloud cover in October: 53
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in October
Snoqualmie Pass, WA
- Average visibility in October: 4mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March and December (3mi).
Snoqualmie Pass, Washington, USA
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