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 arrival of October brings a significant change in Waterville's weather, with average high-temperatures dropping from September's pleasant 70.5°F (21.4°C) to a cool 54.5°F (12.5°C). During October, the nighttime temperature averages to an icy 38.1°F (3.4°C).Humidity
The average relative humidity in October is 66%.Rainfall
In Waterville, in October, during 10.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Waterville, during the entire year, the rain falls for 99.9 days and collects up to 10.47" (266mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. In Waterville, in October, during 0.5 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Waterville, during the entire year, snow falls for 48.7 days and aggregates up to 28.62" (727mm) of snow.Daylight
In Waterville, the average length of the day in October is 10h and 50min.On the first day of October, sunrise is at 7:00 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:43 pm PDT.
Sunshine
In Waterville, the average sunshine in October is 6.4h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during October translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October?
How much does it rain in Waterville in October?
How many days does it snow in October?
How many hours of daylight does Waterville have in October?
When are sunrise and sunset in October?
How long on average sun shines in October in Waterville?
What is the month with the lowest UV index?
How high is the UV index in October?
Average temperature in October
Waterville, WA
- Average high temperature in October: 54.5°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in October: 38.1°F
The month with the highest average low temperature is August (55.8°F).
The coldest months (with the lowest average low temperature) are January and December (19°F).
Average pressure in October
Waterville, WA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in October
Waterville, WA
- Average wind speed in October: 4.5mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in October
Waterville, WA
- Average humidity in October: 66%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in October
Waterville, WA
- Average rainfall in October: 0.91"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in October
Waterville, WA
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in October
Waterville, WA
- Average snowfall in October: 0.2"
The month with the highest snowfall is December (9.06").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in October
Waterville, WA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Waterville, 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: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in October
Waterville, WA
- Average sunshine days in October: 19.2 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in October
Waterville, WA
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Waterville, WA
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in October
Waterville, WA
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Waterville, Washington, USA
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