October weather forecast
Oak Harbor, WA

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Weather in October

October, like September, is another mild autumn month in Oak Harbor, Washington, with an average temperature fluctuating between 48.2°F (9°C) and 55.6°F (13.1°C).

Temperature

A subtle change in temperatures is noted as September gives way to October, with average highs reducing from a refreshing 62.8°F (17.1°C) to a moderate 55.6°F (13.1°C). Oak Harbor's October nights exhibit a subtle drop in temperature, averaging at a chilly 48.2°F (9°C), closely aligned with the daytime highs.

Humidity

In October, the average relative humidity in Oak Harbor is 79%.

Rainfall

In Oak Harbor, in October, it is raining for 16.5 days, with typically 2.68" (68mm) of accumulated precipitation. In Oak Harbor, during the entire year, the rain falls for 183.8 days and collects up to 24.45" (621mm) of precipitation.

Snowfall

In Oak Harbor, snow does not fall in May through October.

Ocean temperature

In Oak Harbor, in October, the average water temperature is 50.5°F (10.3°C).
Note: Immersing oneself in 50.5°F (10.3°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

In Oak Harbor, the average length of the day in October is 10h and 48min.
On the first day of the month, sunrise is at 7:11 am and sunset at 6:48 pm. On the last day of October, sunrise is at 7:55 am and sunset at 5:52 pm PDT.

Sunshine

In Oak Harbor, the average sunshine in October is 5.8h.

UV index

In October, the average daily maximum UV index in Oak Harbor, Washington, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 3 in October translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Oak Harbor in October?

The high-temperature during October is 55.6°F (13.1°C) and the low-temperature is 48.2°F (9°C).

What is the average humidity in October in Oak Harbor?

In October, the average relative humidity in Oak Harbor is 79%.

How many days does it rain in October in Oak Harbor?

In Oak Harbor, Washington, during October, the rain falls for 16.5 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Oak Harbor?

May through October are months without snowfall.

Does it snow in Oak Harbor in October?

In Oak Harbor, in October, it doesn't snow. In November, it regularly snows.

What is the ocean temperature in October in Oak Harbor?

In October, the average ocean temperature in Oak Harbor, Washington, is 50.5°F (10.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in October in Oak Harbor?

In Oak Harbor, the average day length in October is 10h and 48min.

When are sunrise and sunset in October in Oak Harbor?

On the first day of October, sunrise is at 7:11 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:52 pm PDT.

How long on average sun shines in October in Oak Harbor?

The average sunshine duration in October in Oak Harbor is 5.8h.

What is the UV index intensity in October in Oak Harbor?

In October, the average daily maximum UV index in Oak Harbor is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Oak Harbor, WA

Average temperature in October - Oak Harbor, WA
  • Average high temperature in October: 55.6°F

The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in October: 48.2°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (37.9°F).

Average pressure in October
Oak Harbor, WA

Average pressure in October - Oak Harbor, WA
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in October
Oak Harbor, WA

Average wind speed in October - Oak Harbor, WA
  • Average wind speed in October: 6.4mph

The windiest month (with the highest average wind speed) is November (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in October
Oak Harbor, WA

Average humidity in October - Oak Harbor, WA
  • Average humidity in October: 79%

The months with the highest relative humidity are January, February and March (81%).
The month with the lowest relative humidity is July (76%).

Average rainfall in October
Oak Harbor, WA

Average rainfall in October - Oak Harbor, WA
  • Average rainfall in October: 2.68"

The wettest month (with the highest rainfall) is November (3.46").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in October
Oak Harbor, WA

Average rainfall days in October - Oak Harbor, WA
  • Average rainfall days in October: 16.5 days

The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is August (7.5 days).

Average snowfall in October
Oak Harbor, WA

Average snowfall in October - Oak Harbor, WA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Oak Harbor, WA

Average snowfall days in October - Oak Harbor, WA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in October
Oak Harbor, WA

Average sea temperature in October - Oak Harbor, WA
  • Average sea temperature in October: 50.5°F

The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).

Average daylight in October /
Average sunshine in October
Oak Harbor, WA

Average daylight in October / Average sunshine in October - Oak Harbor, 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 24min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in October
Oak Harbor, WA

Average sunshine days in October - Oak Harbor, WA
  • Average sunshine days in October: 12.6 days

The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (7.5 days).

Average UV index in October
Oak Harbor, WA

Average UV index in October - Oak Harbor, WA
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Oak Harbor, WA

Average cloud cover in October - Oak Harbor, WA
  • Average cloud cover in October: 38

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in October
Oak Harbor, WA

Average visibility in October - Oak Harbor, WA
  • Average visibility in October: 6mi

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

Oak Harbor, Washington, USA

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