October weather forecast
Deer Park, WA

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Pine tree forests in the hilly region in the Olympic National Park in Deer Park, Washington
Pine tree forests in the hilly region in the Olympic National Park in Deer Park, Washington

Weather in October

October, like September, is another refreshing autumn month in Deer Park, Washington, with an average temperature fluctuating between 36.7°F (2.6°C) and 55.8°F (13.2°C).

Temperature

October's onset brings a clear reduction in the average high-temperature, falling from a pleasant 72.7°F (22.6°C) in September to a refreshing 55.8°F (13.2°C). Throughout October, the average low-temperature dips to a cold 36.7°F (2.6°C).

Humidity

In October, the average relative humidity is 70%.

Rainfall

In Deer Park, Washington, in October, it is raining for 12.3 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 124.9 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Deer Park, in October, during 1 snowfall days, 0.16" (4mm) of snow is typically accumulated. Throughout the year, there are 69.2 snowfall days, and 42.99" (1092mm) of snow is accumulated.

Daylight

In Deer Park, the average length of the day in October is 10h and 49min.
On the first day of October in Deer Park, sunrise is at 6:50 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:32 pm PDT.

Sunshine

In October, the average sunshine is 6.2h.

UV index

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 2 during October translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What are the temperatures in October?

The high-temperature in Deer Park during October is 55.8°F (13.2°C) and the low-temperature is 36.7°F (2.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in October?

In Deer Park, the average relative humidity in October is 70%.

How much does it rain in October?

In Deer Park, in October, during 12.3 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

How much does it snow in Deer Park in October?

In Deer Park, in October, snow falls for 1 days, with typically accumulated 0.16" (4mm) of snow.

How many hours of daylight does Deer Park have in October?

In October, the average day length is 10h and 49min.

When are sunrise and sunset in October in Deer Park?

In October, on the first day of the month, sunrise is at 6:50 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:32 pm PDT.

How long on average sun shines in October?

In October, the average sunshine duration is 6.2h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
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
Deer Park, WA

Average temperature in October - Deer Park, WA
  • Average high temperature in October: 55.8°F

The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in October: 36.7°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in October
Deer Park, WA

Average pressure in October - Deer Park, WA
  • Average pressure in October: 30.05"Hg

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

Average wind speed in October
Deer Park, WA

Average wind speed in October - Deer Park, WA
  • Average wind speed in October: 4.5mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).

Average humidity in October
Deer Park, WA

Average humidity in October - Deer Park, WA
  • Average humidity in October: 70%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).

Average rainfall in October
Deer Park, WA

Average rainfall in October - Deer Park, WA
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in October
Deer Park, WA

Average rainfall days in October - Deer Park, WA
  • Average rainfall days in October: 12.3 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).

Average snowfall in October
Deer Park, WA

Average snowfall in October - Deer Park, WA
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Deer Park, WA

Average snowfall days in October - Deer Park, WA
  • Average snowfall days in October: 1 days

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in October /
Average sunshine in October
Deer Park, WA

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in October: 6h and 1min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in October
Deer Park, WA

Average sunshine days in October - Deer Park, WA
  • Average sunshine days in October: 17.1 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).

Average UV index in October
Deer Park, WA

Average UV index in October - Deer Park, 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 February, November and December (UV index 1).

Average cloud cover in October
Deer Park, WA

Average cloud cover in October - Deer Park, WA
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in October
Deer Park, WA

Average visibility in October - Deer Park, WA
  • Average visibility in October: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Deer Park, Washington, USA

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