October weather forecastMountlake Terrace, WA
October
Weather in October
October, like September, is a moderate autumn month in Mountlake Terrace, Washington, with an average temperature fluctuating between 45.9°F (7.7°C) and 57.9°F (14.4°C).Temperature
In October, the average high-temperature decreases from a comfortable 67.6°F (19.8°C) in September to a moderate 57.9°F (14.4°C). In the month of October, an average of 45.9°F (7.7°C) marks the low-temperature.Humidity
The average relative humidity in October in Mountlake Terrace is 79%.Rainfall
In Mountlake Terrace, during October, the rain falls for 15.5 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Mountlake Terrace, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.Snowfall
In Mountlake Terrace, snow does not fall in May through October.Daylight
In Mountlake Terrace, the average length of the day in October is 10h and 49min.On the first day of the month, sunrise is at 7:09 am and sunset at 6:47 pm. On the last day of October, sunrise is at 7:53 am and sunset at 5:52 pm PDT.
Sunshine
The average sunshine in October is 5.7h.UV index
In Mountlake Terrace, 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 ordinary individuals.Note: In October, an average UV index of 3 transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Mountlake Terrace, WA
- Average high temperature in October: 57.9°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in October: 45.9°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in October
Mountlake Terrace, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in October
Mountlake Terrace, WA
- Average wind speed in October: 4.9mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in October
Mountlake Terrace, WA
- Average humidity in October: 79%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in October
Mountlake Terrace, WA
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in October
Mountlake Terrace, WA
- Average rainfall days in October: 15.5 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in October
Mountlake Terrace, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Mountlake Terrace, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (4.7 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
Mountlake Terrace, 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 42min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in October
Mountlake Terrace, WA
- Average sunshine days in October: 13.3 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in October
Mountlake Terrace, WA
- Average UV index in October: 3
The months with the highest UV index are June and 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
Mountlake Terrace, WA
- Average cloud cover in October: 40
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in October
Mountlake Terrace, WA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
