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
A subtle decrease in the average high-temperature marks October, falling from September's refreshing 67.8°F (19.9°C) to a mild 56.3°F (13.5°C). Preston records a steady low-temperature average of 41.4°F (5.2°C) during October.Humidity
In October, the average relative humidity in Preston is 80%.Rainfall
In Preston, in October, during 16.5 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. Throughout the year, there are 184.9 rainfall days, and 39.96" (1015mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Preston, the average length of the day in October is 10h and 50min.On the first day of the month, sunrise is at 7:07 am and sunset at 6:46 pm. On the last day of October, in Preston, Washington, sunrise is at 7:51 am and sunset at 5:51 pm PDT.
Sunshine
The average sunshine in October is 5.3h.UV index
In Preston, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 2 during October, leads to the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in October in Preston?
What is the average humidity in October in Preston?
How many days does it rain in October in Preston?
When it does not snow in Preston?
Does it snow in Preston in October?
What is the average length of the day in October in Preston?
When are sunrise and sunset in October in Preston?
How many hours of sunshine does Preston have in October?
How high is the UV index in October in Preston?
Average temperature in October
Preston, WA
- Average high temperature in October: 56.3°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (39.7°F).
- Average low temperature in October: 41.4°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (29.8°F).
Average pressure in October
Preston, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in October
Preston, WA
- Average wind speed in October: 3.9mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in October
Preston, WA
- Average humidity in October: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (71%).
Average rainfall in October
Preston, WA
- Average rainfall in October: 4.25"
The wettest month (with the highest rainfall) is January (6.1").
The driest months (with the least rainfall) are July and August (0.59").
Average rainfall days in October
Preston, WA
- Average rainfall days in October: 16.5 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in October
Preston, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Preston, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (5.4 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
Preston, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in October
Preston, WA
- Average sunshine days in October: 13.5 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in October
Preston, WA
- Average UV index in October: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in October
Preston, WA
- Average cloud cover in October: 47
The months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
Preston, WA
- Average visibility in October: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Preston, Washington, USA
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