October weather forecast
Thornton, WA

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Weather in October

October, the same as September, in Thornton, Washington, is a moderate autumn month, with an average temperature varying between 57.6°F (14.2°C) and 42.1°F (5.6°C).

Temperature

The drop of average high-temperatures is noticeable in October, with a decrease from a pleasant 73.2°F (22.9°C) in September to a moderate 57.6°F (14.2°C). An average low-temperature of 42.1°F (5.6°C) is observed during October nights in Thornton.

Humidity

In Thornton, the average relative humidity in October is 61%.

Rainfall

In Thornton, in October, during 11.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Thornton, during the entire year, the rain falls for 120.2 days and collects up to 14.69" (373mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In October, it is snowing for 0.3 days. Throughout October, 0.04" (1mm) of snow is accumulated. Throughout the year, in Thornton, there are 39.6 snowfall days, and 22.68" (576mm) of snow is accumulated.

Daylight

In Thornton, the average length of the day in October is 10h and 51min.
On the first day of October, sunrise is at 6:49 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:34 pm PDT.

Sunshine

The average sunshine in October is 6.8h.

UV index

In Thornton, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In October, the maximum UV index of 3 transforms into these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What are October temperatures in Thornton?

During October, Thornton experiences an average high-temperature of 57.6°F (14.2°C) and a low-temperature of 42.1°F (5.6°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 82.4°F (28°C).

What is the average humidity in October in Thornton?

In Thornton, the average relative humidity in October is 61%.

How many days does it rain in October in Thornton?

In Thornton, in October, it is raining for 11.3 days, with typically 1.26" (32mm) of accumulated precipitation.

How many days does it snow in October in Thornton?

In Thornton, Washington, in October, snow falls for 0.3 days, with typically accumulated 0.04" (1mm) of snow.

What is the average length of the day in October in Thornton?

In Thornton, the average day length in October is 10h and 51min.

When are sunrise and sunset in October in Thornton?

On the first day of October in Thornton, sunrise is at 6:49 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:34 pm PDT.

How many hours of sunshine does Thornton have in October?

The average sunshine duration in October in Thornton is 6.8h.

What is the UV index intensity in October in Thornton?

The average daily maximum UV index in October in Thornton, Washington, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Thornton, WA

Average temperature in October - Thornton, WA
  • Average high temperature in October: 57.6°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in October: 42.1°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).

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Average pressure in October
Thornton, WA

Average pressure in October - Thornton, WA
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in October
Thornton, WA

Average wind speed in October - Thornton, WA
  • Average wind speed in October: 6.6mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in October
Thornton, WA

Average humidity in October - Thornton, WA
  • Average humidity in October: 61%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (37%).

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Average rainfall in October
Thornton, WA

Average rainfall in October - Thornton, WA
  • Average rainfall in October: 1.26"

The wettest month (with the highest rainfall) is December (1.93").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in October
Thornton, WA

Average rainfall days in October - Thornton, WA
  • Average rainfall days in October: 11.3 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (4.5 days).

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Average snowfall in October
Thornton, WA

Average snowfall in October - Thornton, WA
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Thornton, WA

Average snowfall days in October - Thornton, WA
  • Average snowfall days in October: 0.3 days

The months with the highest number of snowfall days are February and December (9.6 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in October /
Average sunshine in October
Thornton, WA

Average daylight in October / Average sunshine in October - Thornton, WA
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in October: 6h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).

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Average sunshine days in October
Thornton, WA

Average sunshine days in October - Thornton, WA
  • Average sunshine days in October: 17.9 days

The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is February (12.2 days).

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Average UV index in October
Thornton, WA

Average UV index in October - Thornton, WA
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Thornton, WA

Average cloud cover in October - Thornton, WA
  • Average cloud cover in October: 32

The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 11).

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Average visibility in October
Thornton, WA

Average visibility in October - Thornton, WA
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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Thornton, Washington, USA

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