March weather forecastFriday Harbor, WA
March
Weather in March
March, the first month of the spring in Friday Harbor, is also a frosty month, with an average temperature fluctuating between 48.4°F (9.1°C) and 43°F (6.1°C).Temperature
The beginning of March records an average high-temperature of a still chilly 48.4°F (9.1°C), almost echoing the conditions of the previous month. An average nighttime temperature of 43°F (6.1°C) marks March.Humidity
The average relative humidity in March is 78%.Rainfall
In Friday Harbor, in March, during 20.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Friday Harbor, during the entire year, the rain falls for 167.7 days and collects up to 23.46" (596mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. March is the last month it regularly snows. During 0.7 snowfall days, in March, Friday Harbor aggregates 0.28" (7mm) of snow. In Friday Harbor, during the entire year, snow falls for 6.9 days and aggregates up to 3.43" (87mm) of snow.Ocean temperature
In Friday Harbor, in March, the average water temperature is 45.1°F (7.3°C).Note: Swimming in 45.1°F (7.3°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.
Daylight
In Friday Harbor, the average length of the day in March is 11h and 57min.On the first day of March, sunrise is at 6:51 am and sunset at 5:56 pm PST. On the last day of the month, sunrise is at 6:49 am and sunset at 7:42 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
The average sunshine in March is 6.4h.UV index
In Friday Harbor, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In March, a regular UV index of 3 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
The 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).
Average pressure in March
Friday Harbor, WA
- Average pressure in March: 30"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
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).
Average humidity in March
Friday Harbor, WA
- Average humidity in March: 78%
The months with the highest relative humidity are January, August and September (79%).
The month with the lowest relative humidity is April (76%).
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").
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).
Average snowfall in March
Friday Harbor, WA
- Average snowfall in March: 0.28"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
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).
Average daylight in March /
Average sunshine in March
Friday Harbor, WA
- Average daylight in March: 11h and 54min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in March: 6h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
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).
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).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Friday Harbor, WA
- Average cloud cover in March: 52
The months with the most cloud cover are February and December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in March
Friday Harbor, WA
- Average visibility in March: 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).
