October weather forecastRenton, WA
October
Weather in October
October witnesses an evident departure from the warmer months in Renton as autumn firmly establishes itself. Temperatures exhibit a downward trend, and skies often are filled with gray hues due to the increased cloudiness. The decrease in sunlight duration to just 5.4 hours daily and a return of higher relative humidity mark a noticeable transition from the dry summer season. Rainfall tends to intensify during this period underlining the onset of a rainier season in the city. Despite the changes, October carries a unique allure, with modest wind speeds and the charm of falling leaves enveloping the cityscape.Temperature
A change in temperatures is noted as September gives way to October, with average highs reducing from a pleasant 70.3°F (21.3°C) to a mild 59°F (15°C). Renton's average low-temperature in October is measured at a chilly 44.6°F (7°C).Humidity
The average relative humidity in October is 78%.Rainfall
In October, the rain falls for 8.9 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. In Renton, during the entire year, the rain falls for 100.6 days and collects up to 7.6" (193mm) of precipitation.Snowfall
In Renton, snow does not fall in April through October.Daylight
The average length of the day in October in Renton, Washington, is 10h and 50min.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, in Renton, sunrise is at 7:52 am and sunset at 5:52 pm PDT.
Sunshine
In October, the average sunshine in Renton, Washington, is 5.4h.UV index
The average daily maximum UV index in October in Renton, Washington, is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during October translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Renton, WA
- Average high temperature in October: 59°F
The warmest months (with the highest average high temperature) are July and August (77.4°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in October: 44.6°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in October
Renton, 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
Renton, WA
- Average wind speed in October: 4.3mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in October
Renton, WA
- Average humidity in October: 78%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in October
Renton, WA
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in October
Renton, WA
- Average rainfall days in October: 8.9 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (3 days).
Average snowfall in October
Renton, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Renton, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (1.7 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
Renton, 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 24min
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: 4h and 6min).
Average sunshine days in October
Renton, WA
- Average sunshine days in October: 19.6 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in October
Renton, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Renton, WA
- Average cloud cover in October: 44
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Renton, WA
- Average visibility in October: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
