March weather forecast
Cascadia, OR

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Weather in March

The first month of the spring, March, is a cool month in Cascadia, Oregon, with an average temperature fluctuating between 50.2°F (10.1°C) and 35.1°F (1.7°C).

Temperature

March welcomes an average high-temperature of a fresh 50.2°F (10.1°C), not much different from the preceding month. During March, an average low-temperature of 35.1°F (1.7°C) is observed.

Humidity

February, March and December, with an average relative humidity of 86%, are the most humid months.

Rainfall

In March, the rain falls for 21.1 days. Throughout March, 4.49" (114mm) of precipitation is accumulated. Throughout the year, there are 167.6 rainfall days, and 36.54" (928mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Cascadia are January through April, November and December. In Cascadia, in March, snow falls for 1.6 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, there are 7.9 snowfall days, and 7.76" (197mm) of snow is accumulated.

Daylight

In Cascadia, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:45 am and sunset at 5:58 pm PST. On the last day of March, sunrise is at 6:51 am and sunset at 7:36 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

In March, the average sunshine is 5.4h.

UV index

In Cascadia, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 3 in March translates into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What is the average March temperature?

Cascadia in March has an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 35.1°F (1.7°C).

What is the most humid month?

The months with the highest humidity in Cascadia are February, March and December, with an average relative humidity of 86%.

What is the average humidity in March?

In Cascadia, Oregon, the average relative humidity in March is 86%.

How many days does it rain in March?

In Cascadia, in March, it is raining for 21.1 days, with typically 4.49" (114mm) of accumulated precipitation.

How much does it snow in Cascadia in March?

In March, it is snowing for 1.6 days. Throughout March, 1.42" (36mm) of snow is accumulated.

What is the average length of the day in March?

In March, the average day length is 11h and 58min.

When are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:45 am and sunset at 5:58 pm PST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:36 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 Cascadia have in March?

In March, the average sunshine duration is 5.4h.

How high is the UV index in March?

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk 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
Cascadia, OR

Average temperature in March - Cascadia, OR
  • Average high temperature in March: 50.2°F

The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in March: 35.1°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

Average pressure in March
Cascadia, OR

Average pressure in March - Cascadia, OR
  • Average pressure in March: 30.04"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in March
Cascadia, OR

Average wind speed in March - Cascadia, OR
  • Average wind speed in March: 4.9mph

The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in March
Cascadia, OR

Average humidity in March - Cascadia, OR
  • Average humidity in March: 86%

The months with the highest relative humidity are February, March and December (86%).
The month with the lowest relative humidity is August (66%).

Average rainfall in March
Cascadia, OR

Average rainfall in March - Cascadia, OR
  • Average rainfall in March: 4.49"

The wettest month (with the highest rainfall) is December (5.47").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in March
Cascadia, OR

Average rainfall days in March - Cascadia, OR
  • 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 July (4.1 days).

Average snowfall in March
Cascadia, OR

Average snowfall in March - Cascadia, OR
  • Average snowfall in March: 1.42"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Cascadia, OR

Average snowfall days in March - Cascadia, OR
  • Average snowfall days in March: 1.6 days

The month with the highest number of snowfall days is February (3.4 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
Cascadia, OR

Average daylight in March / Average sunshine in March - Cascadia, OR
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in March: 5h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in March
Cascadia, OR

Average sunshine days in March - Cascadia, OR
  • Average sunshine days in March: 8.6 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (8.4 days).

Average UV index in March
Cascadia, OR

Average UV index in March - Cascadia, OR
  • Average UV index in March: 3

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in March
Cascadia, OR

Average cloud cover in March - Cascadia, OR
  • Average cloud cover in March: 59

The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in March
Cascadia, OR

Average visibility in March - Cascadia, OR
  • Average visibility in March: 5mi

The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).

Cascadia, Oregon, USA

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