October weather forecast
Coupeville, WA

Weather in October

October, the same as September, in Coupeville, Washington, is a moderate autumn month, with average temperature fluctuating between 48.2°F (9°C) and 55.6°F (13.1°C).

Temperature

In October, the average high-temperature slightly decreases, from a comfortable 62.8°F (17.1°C) in September, to a moderate 55.6°F (13.1°C). The average low-temperature, in Coupeville, is 48.2°F (9°C).

Humidity

The average relative humidity in Coupeville is 79%.

Rainfall

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

Snowfall

In Coupeville snow does not fall in May through October.

Ocean temperature

In Coupeville, the average seawater temperature in October is 50.5°F (10.3°C).
Note: 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.

Daylight

The average length of the day in Coupeville is 10.8h.

Sunshine

The average sunshine in Coupeville is 5.8h.

UV index

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 unprotected exposure to the Sun's UV rays for the average person.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in October in Coupeville?

The average relative humidity in October in Coupeville is 79%.

How much does it rain in Coupeville in October?

In Coupeville, in October, during 16.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Coupeville?

May through October are months without snowfall in Coupeville, Washington.

Does it snow in Coupeville in October?

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

What is the ocean temperature in October in Coupeville?

In October, the average ocean temperature in Coupeville, Washington, is 50.5°F (10.3°C). Swimming in 50.5°F (10.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In Coupeville, the average length of the day in October is 10.8h.

How many hours of sunshine does Coupeville have in October?

In Coupeville, Washington, the average sunshine in October is 5.8h.

What is the UV index intensity in October in Coupeville?

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in October
Coupeville, WA

Average temperature in October - Coupeville, 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).

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Average pressure in October
Coupeville, WA

Average pressure in October - Coupeville, WA
  • Average pressure in October: 30.03"

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

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Average wind speed in October
Coupeville, WA

Average wind speed in October - Coupeville, 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).

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Average humidity in October
Coupeville, WA

Average humidity in October - Coupeville, WA
  • Average humidity in October: 79%

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

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Average rainfall in October
Coupeville, WA

Average rainfall in October - Coupeville, 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").

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Average rainfall days in October
Coupeville, WA

Average rainfall days in October - Coupeville, 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).

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Average snowfall in October
Coupeville, WA

Average snowfall in October - Coupeville, WA
  • Average snowfall in October: 0"

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

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Average snowfall days in October
Coupeville, WA

Average snowfall days in October - Coupeville, WA
  • Average snowfall days in October: 0 days

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

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Average sea temperature in October
Coupeville, WA

Average sea temperature in October - Coupeville, 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).

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

Average daylight in October / Average sunshine in October - Coupeville, WA
  • Average daylight in October: 10.8h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in October: 5.8h

The month with the most sunshine is August (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 4.6h).

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Average sunshine days in October
Coupeville, WA

Average sunshine days in October - Coupeville, 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).

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Average UV index in October
Coupeville, WA

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

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

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Average cloud cover in October
Coupeville, WA

Average cloud cover in October - Coupeville, 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).

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Average visibility in October
Coupeville, WA

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

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

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