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 transition into October indicates a reduction in the average high-temperature, down to a mild 56.3°F (13.5°C) from September's comfortable 67.8°F (19.9°C). October sees the temperature falling to a mean low of 41.4°F (5.2°C).Humidity
In October, the average relative humidity is 80%.Rainfall
In October, the rain falls for 16.5 days. Throughout October, 4.25" (108mm) of precipitation is accumulated. In Preston, during the entire year, the rain falls for 184.9 days and collects up to 39.96" (1015mm) of precipitation.Snowfall
May through October are months without snowfall in Preston.Daylight
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, 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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in October translates into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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?
When it does not snow?
Does it snow in October?
How many hours of daylight does Preston have in October?
When are sunrise and sunset in October?
How many hours of sunshine does Preston have in October?
What is the UV index intensity 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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