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 onset of October results in a decrease in the average high-temperature, receding from a pleasant 68.9°F (20.5°C) in September to a mild 57.4°F (14.1°C). During October, the average low-temperature in Sumner is an icy 42.4°F (5.8°C).Humidity
In Sumner, the average relative humidity in October is 80%.Rainfall
In October, the rain falls for 16.4 days. Throughout October, 3.94" (100mm) of precipitation is accumulated. In Sumner, Washington, during the entire year, the rain falls for 185 days and collects up to 35.71" (907mm) of precipitation.Snowfall
May through October are months without snowfall in Sumner.Daylight
The average length of the day in October in Sumner, Washington, is 10h and 51min.On the first day of October in Sumner, sunrise is at 7:09 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:53 pm PDT.
Sunshine
In October, the average sunshine in Sumner is 5.5h.UV index
The months with the lowest UV index are January, February, 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 radiation for average individuals.Note: The maximum daily UV index of 2 during October translates into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the average October temperature in Sumner?
What is the average humidity in October in Sumner?
How much does it rain in Sumner in October?
When it does not snow in Sumner?
Does it snow in Sumner in October?
How many hours of daylight does Sumner have in October?
When are sunrise and sunset in October in Sumner?
How long on average sun shines in October in Sumner?
What is the month with the lowest UV index in Sumner?
What is the UV index intensity in October in Sumner?
Average temperature in October
Sumner, WA
- Average high temperature in October: 57.4°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (41.4°F).
- Average low temperature in October: 42.4°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (32°F).
Average pressure in October
Sumner, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in October
Sumner, WA
- Average wind speed in October: 4.1mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in October
Sumner, WA
- Average humidity in October: 80%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in October
Sumner, WA
- Average rainfall in October: 3.94"
The wettest month (with the highest rainfall) is December (5.35").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in October
Sumner, WA
- Average rainfall days in October: 16.4 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in October
Sumner, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Sumner, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (5.3 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
Sumner, 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 36min).
- Average sunshine in October: 5h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in October
Sumner, WA
- Average sunshine days in October: 13.3 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in October
Sumner, 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, October, November and December (UV index 2).
Average cloud cover in October
Sumner, WA
- Average cloud cover in October: 44
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in October
Sumner, WA
- Average visibility in October: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
Sumner, Washington, USA
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