March weather forecast and climate
Coupeville, WA

Weather in March

The first month of the spring, March, is still a chilly month in Coupeville, Washington, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 40.6°F (4.8°C).

Temperature

In March, the average high-temperature is relatively the same as in February - a still frosty 48.6°F (9.2°C). The average low-temperature, in March, is 40.6°F (4.8°C).

Humidity

January through March, with an average relative humidity of 81%, are most humid months in Coupeville.

Rainfall

In Coupeville, it is raining for 21.1 days, with typically 2.44" (62mm) 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

January through April, November and December are months with snowfall. In March, in Coupeville, it is snowing for 1.8 days. Throughout March, 0.79" (20mm) of snow is accumulated. Throughout the year, in Coupeville, there are 9.6 snowfall days, and 5.63" (143mm) of snow is accumulated.

Ocean temperature

In Coupeville, the average water temperature is 45.5°F (7.5°C).
Note: Swimming in 45.5°F (7.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in Coupeville is 12h.

Sunshine

The average sunshine in March is 6.6h.

UV index

In March, the average daily maximum UV index in Coupeville is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What are the most humid months in Coupeville?

January through March, with an average relative humidity of 81%, are most humid months in Coupeville.

What is the average humidity in March in Coupeville?

The average relative humidity in March in Coupeville, Washington, is 81%.

How many days does it rain in March in Coupeville?

In Coupeville, during March, the rain falls for 21.1 days and regularly aggregates up to 2.44" (62mm) of precipitation.

How many days does it snow in March in Coupeville?

In Coupeville, Washington, in March, during 1.8 snowfall days, 0.79" (20mm) of snow is typically accumulated.

What is the ocean temperature in March in Coupeville?

In Coupeville, in March, the average water temperature is 45.5°F (7.5°C). Swimming in 45.5°F (7.5°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.

How many hours of daylight does Coupeville have in March?

In March, the average length of the day in Coupeville, Washington, is 12h.

How long on average sun shines in March in Coupeville?

In March, the average sunshine in Coupeville is 6.6h.

What is the UV index intensity in March in Coupeville?

In Coupeville, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in March
Coupeville, WA

Average temperature in March - Coupeville, WA
  • Average high temperature in March: 48.6°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 March: 40.6°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).

[Resources]

Average pressure in March
Coupeville, WA

Average pressure in March - Coupeville, WA
  • Average pressure in March: 30.01"

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

[Resources]

Average wind speed in March
Coupeville, WA

Average wind speed in March - Coupeville, WA
  • Average wind speed in March: 7.4mph

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).

[Resources]

Average humidity in March
Coupeville, WA

Average humidity in March - Coupeville, WA
  • Average humidity in March: 81%

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

[Resources]

Average rainfall in March
Coupeville, WA

Average rainfall in March - Coupeville, WA
  • Average rainfall in March: 2.44"

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

[Resources]

Average rainfall days in March
Coupeville, WA

Average rainfall days in March - Coupeville, WA
  • Average rainfall days in March: 21.1 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).

[Resources]

Average snowfall in March
Coupeville, WA

Average snowfall in March - Coupeville, WA
  • Average snowfall in March: 0.79"

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

[Resources]

Average snowfall days in March
Coupeville, WA

Average snowfall days in March - Coupeville, WA
  • Average snowfall days in March: 1.8 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).

[Resources]

Average sea temperature in March
Coupeville, WA

Average sea temperature in March - Coupeville, WA
  • Average sea temperature in March: 45.4°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).

[Resources]

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

Average daylight in March / Average sunshine in March - Coupeville, WA
  • Average daylight in March: 12h

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 March: 6.6h

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

[Resources]

Average sunshine days in March
Coupeville, WA

Average sunshine days in March - Coupeville, WA
  • Average sunshine days in March: 7.5 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).

[Resources]

Average UV index in March
Coupeville, WA

Average UV index in March - Coupeville, WA
  • Average UV index in March: 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).

[Resources]

Average cloud cover in March
Coupeville, WA

Average cloud cover in March - Coupeville, WA
  • Average cloud cover in March: 49

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

[Resources]

Average visibility in March
Coupeville, WA

Average visibility in March - Coupeville, WA
  • Average visibility in March: 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location