March weather forecast
Roche Harbor, WA

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Weather in March

March, the first month of the spring in Roche Harbor, is still a chilly month, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 43°F (6.1°C).

Temperature

Roche Harbor, Washington, notes an average high-temperature of a still chilly 48.4°F (9.1°C) in March, displaying minor variation from February. Roche Harbor maintains an average low-temperature of 43°F (6.1°C) throughout March's nights.

Humidity

The average relative humidity in March is 78%.

Rainfall

In March, the rain falls for 20.2 days. Throughout March, 2.17" (55mm) of precipitation is accumulated. In Roche 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 in Roche Harbor. March is the last month it regularly snows. During 0.7 snowfall days, in March, Roche Harbor aggregates 0.28" (7mm) of snow. In Roche Harbor, during the entire year, snow falls for 6.9 days and aggregates up to 3.43" (87mm) of snow.

Daylight

The average length of the day in March is 11h and 57min.
On the first day of March, sunrise is at 6:52 am and sunset at 5:57 pm PST. On the last day of the month, sunrise is at 6:50 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 Roche Harbor, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 3 during March translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. 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. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures?

In Roche Harbor, in March, the average high-temperature is 48.4°F (9.1°C), and the average low-temperature is 43°F (6.1°C).

What is the average humidity in March?

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

How many days does it rain in March?

In Roche Harbor, in March, during 20.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

What is the last month it snows?

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

How many hours of daylight does Roche Harbor have in March?

In March, the average day length is 11h and 57min.

When are sunrise and sunset in March?

On the first day of March, sunrise is at 6:52 am and sunset at 5:57 pm PST. On the last day of the month, sunrise is at 6:50 am and sunset at 7:42 pm PDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Roche Harbor have in March?

In March, the average sunshine duration is 6.4h.

What is the UV index intensity in March?

The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Roche Harbor, WA

Average temperature in March - Roche 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
Roche Harbor, WA

Average pressure in March - Roche 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
Roche Harbor, WA

Average wind speed in March - Roche 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
Roche Harbor, WA

Average humidity in March - Roche 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
Roche Harbor, WA

Average rainfall in March - Roche 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
Roche Harbor, WA

Average rainfall days in March - Roche 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
Roche Harbor, WA

Average snowfall in March - Roche 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
Roche Harbor, WA

Average snowfall days in March - Roche 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 daylight in March /
Average sunshine in March
Roche Harbor, WA

Average daylight in March / Average sunshine in March - Roche Harbor, WA
  • Average daylight in March: 11h and 5min

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 2min

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
Roche Harbor, WA

Average sunshine days in March - Roche 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
Roche Harbor, WA

Average UV index in March - Roche 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
Roche Harbor, WA

Average cloud cover in March - Roche 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
Roche Harbor, WA

Average visibility in March - Roche 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).

Roche Harbor, Washington, USA

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