March weather forecast and climate
Friday Harbor, WA

Weather in March

March, the first month of the spring, in Friday Harbor, is still a chilly month, with average temperature ranging between max 48.4°F (9.1°C) and min 43°F (6.1°C).

Temperature

In Friday Harbor, the average high-temperature is essentially the same as in February - a still chilly 48.4°F (9.1°C). In March, the average low-temperature is 43°F (6.1°C).

Humidity

In Friday Harbor, the average relative humidity in March is 78%.

Rainfall

In Friday Harbor, during March, the rain falls for 20.2 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Friday Harbor, during the entire year, the rain falls for 167.7 days and collects up to 23.46" (596mm) of precipitation.

Snowfall

Months with snowfall in Friday Harbor are January through March, November and December. March is the last month it regularly snows in Friday Harbor. During 0.7 snowfall days, in March, Friday Harbor aggregates 0.28" (7mm) of snow. Throughout the year, there are 6.9 snowfall days, and 3.43" (87mm) of snow is accumulated.

Ocean temperature

In Friday Harbor, the average seawater temperature in March is 45.1°F (7.3°C).
Note: Swimming in 45.1°F (7.3°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.

Daylight

In Friday Harbor, the average length of the day is 12h.

Sunshine

The average sunshine in Friday Harbor is 6.4h.

UV index

The average daily maximum UV index in Friday Harbor is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In March, 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in March in Friday Harbor?

In Friday Harbor, Washington, the average relative humidity in March is 78%.

How much does it rain in Friday Harbor in March?

In March, the rain falls for 20.2 days. Throughout March, 2.17" (55mm) of precipitation is accumulated.

What is the last month it snows in Friday Harbor?

March is the last month it regularly snows in Friday Harbor. During 0.7 snowfall days, in March, Friday Harbor aggregates 0.28" (7mm) of snow.

What is the ocean temperature in March in Friday Harbor?

In March, the average ocean temperature in Friday Harbor is 45.1°F (7.3°C). Swimming in 45.1°F (7.3°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 March in Friday Harbor?

In Friday Harbor, the average length of the day in March is 12h.

How long on average sun shines in March in Friday Harbor?

The average sunshine in March in Friday Harbor, Washington, is 6.4h.

What is the UV index intensity in March in Friday Harbor?

In March, the average daily maximum UV index in Friday Harbor, Washington, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in March
Friday Harbor, WA

Average temperature in March - Friday Harbor, WA
  • Average high temperature in March: 48.4°F

The warmest month (with the highest average high temperature) is July (64.9°F).
Months with the lowest average high temperature are January, February and December (45.3°F).

  • Average low temperature in March: 43°F

The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).

[Resources]

Average pressure in March
Friday Harbor, WA

Average pressure in March - Friday Harbor, WA
  • Average pressure in March: 30"

The month with the highest atmospheric pressure is January (30.07").
The month with the lowest atmospheric pressure is March (30").

[Resources]

Average wind speed in March
Friday Harbor, WA

Average wind speed in March - Friday Harbor, WA
  • Average wind speed in March: 9.4mph

The windiest month (with the highest average wind speed) is November (10.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

[Resources]

Average humidity in March
Friday Harbor, WA

Average humidity in March - Friday Harbor, WA
  • Average humidity in March: 78%

Months with the highest relative humidity are January, August and September (79%).
The month with the lowest relative humidity is April (76%).

[Resources]

Average rainfall in March
Friday Harbor, WA

Average rainfall in March - Friday Harbor, WA
  • Average rainfall in March: 2.17"

The wettest month (with the highest rainfall) is November (3.43").
The driest month (with the least rainfall) is July (0.43").

[Resources]

Average rainfall days in March
Friday Harbor, WA

Average rainfall days in March - Friday Harbor, WA
  • Average rainfall days in March: 20.2 days

The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).

[Resources]

Average snowfall in March
Friday Harbor, WA

Average snowfall in March - Friday Harbor, WA
  • Average snowfall in March: 0.28"

The month with the highest snowfall is February (1.77").
Months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in March
Friday Harbor, WA

Average snowfall days in March - Friday Harbor, WA
  • Average snowfall days in March: 0.7 days

The month with the highest number of snowfall days is February (2.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in March
Friday Harbor, WA

Average sea temperature in March - Friday Harbor, WA
  • Average sea temperature in March: 45.1°F

The best months for swimming (with the highest average sea temperature) are August and September (52.3°F).
The coldest month (with the lowest average sea temperature) is February (44.9°F).

[Resources]

Average daylight in March /
Average sunshine in March
Friday Harbor, WA

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

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in March: 6.4h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 4.1h).

[Resources]

Average sunshine days in March
Friday Harbor, WA

Average sunshine days in March - Friday Harbor, WA
  • Average sunshine days in March: 8.8 days

The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is November (8.7 days).

[Resources]

Average UV index in March
Friday Harbor, WA

Average UV index in March - Friday Harbor, 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
Friday Harbor, WA

Average cloud cover in March - Friday Harbor, WA
  • Average cloud cover in March: 52

Months with the most cloud cover are February and December (Cloud cover 56).
Months with the least cloud cover are July and August (Cloud cover 23).

[Resources]

Average visibility in March
Friday Harbor, WA

Average visibility in March - Friday Harbor, 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