March weather forecast
Seaside, OR

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Large rocks in the water on the Seaside shores, Oregon, overlooking the breathtaking sunset view
Large rocks in the water on the Seaside shores, Oregon, overlooking the breathtaking sunset view

Weather in March

In March, Seaside, Oregon, witnesses a rise in daylight hours from 10.4 to 12, a delightful sign of the approaching spring. Total rainfall decreases and temperatures mildly ascend towards a more welcoming scale. The landscape renews itself, shaking off the winter frost and sprouting fresh foliage. Observing a shift in wind speeds from February's 9.8mph (15.8km/h) to March's 10.1mph (16.3km/h), the wind retains its vigor, ruffling the blossoming trees and resuscitating the city from its winter slumber. Amidst this transitional period, Seaside, Oregon, comes alive under the lengthening days and budding ambiance of spring weather.

Temperature

Seaside, Oregon, notes an average high-temperature of a still frosty 49.6°F (9.8°C) in March, hardly diverging from February. The March average low temperature, marginally lower than the daytime high, records at a wintry 42.4°F (5.8°C).

Humidity

January, March through May, October and December, with an average relative humidity of 81%, are the least humid months.

Rainfall

In Seaside, in March, it is raining for 20.8 days, with typically 4.06" (103mm) of accumulated precipitation. Throughout the year, there are 185.6 rainfall days, and 39.8" (1011mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall. March is the last month it regularly snows. During 0.6 snowfall days, in March, Seaside aggregates 0.16" (4mm) of snow. In Seaside, Oregon, during the entire year, snow falls for 2.8 days and aggregates up to 1.3" (33mm) of snow.

Ocean temperature

In March, the average ocean temperature is 48.7°F (9.3°C).
Note: It is advised against swimming in 48.7°F (9.3°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

In Seaside, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:52 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:55 am and sunset at 7:43 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 Seaside, the average sunshine in March is 5.6h.

UV index

In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In March, a regular UV index of 3 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What is the usual temperature for Seaside in March?

Seaside in March has an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 42.4°F (5.8°C).

What are the least humid months?

The months with the lowest humidity in Seaside are January, March through May, October and December, with an average relative humidity of 81%.

What is the average humidity in March?

In Seaside, the average relative humidity in March is 81%.

How much does it rain in March?

In Seaside, in March, it is raining for 20.8 days, with typically 4.06" (103mm) of accumulated precipitation.

What is the last month it snows?

March is the last month it regularly snows. During 0.6 snowfall days, in March, Seaside aggregates 0.16" (4mm) of snow.

How cold is the water in March?

In Seaside, the average seawater temperature in March is 48.7°F (9.3°C). Swimming in 48.7°F (9.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in March?

The average day length in March is 11h and 58min.

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:52 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:55 am and sunset at 7:43 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 long on average sun shines in March?

In March, the average sunshine duration is 5.6h.

How high is the UV index in March?

In Seaside, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Seaside, OR

Average temperature in March - Seaside, OR
  • Average high temperature in March: 49.6°F

The warmest month (with the highest average high temperature) is August (65.5°F).
The month with the lowest average high temperature is December (46.6°F).

  • Average low temperature in March: 42.4°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

Average pressure in March
Seaside, OR

Average pressure in March - Seaside, OR
  • Average pressure in March: 30.02"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).

Average wind speed in March
Seaside, OR

Average wind speed in March - Seaside, OR
  • Average wind speed in March: 10.1mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in March
Seaside, OR

Average humidity in March - Seaside, OR
  • Average humidity in March: 81%

The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are January, March, April, May, October and December (81%).

Average rainfall in March
Seaside, OR

Average rainfall in March - Seaside, OR
  • Average rainfall in March: 4.06"

The wettest month (with the highest rainfall) is December (6.54").
The driest months (with the least rainfall) are July and August (0.47").

Average rainfall days in March
Seaside, OR

Average rainfall days in March - Seaside, OR
  • Average rainfall days in March: 20.8 days

The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are July and August (7.3 days).

Average snowfall in March
Seaside, OR

Average snowfall in March - Seaside, OR
  • Average snowfall in March: 0.16"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in March
Seaside, OR

Average snowfall days in March - Seaside, OR
  • Average snowfall days in March: 0.6 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in March
Seaside, OR

Average sea temperature in March - Seaside, OR
  • Average sea temperature in March: 48.7°F

The best month for swimming (with the highest average sea temperature) is July (57.2°F).
The coldest month (with the lowest average sea temperature) is February (48.1°F).

Average daylight in March /
Average sunshine in March
Seaside, OR

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in March: 5h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

Average sunshine days in March
Seaside, OR

Average sunshine days in March - Seaside, OR
  • Average sunshine days in March: 8.3 days

The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (7.5 days).

Average UV index in March
Seaside, OR

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

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).

Average cloud cover in March
Seaside, OR

Average cloud cover in March - Seaside, OR
  • Average cloud cover in March: 58

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in March
Seaside, OR

Average visibility in March - Seaside, OR
  • Average visibility in March: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

Seaside, Oregon, USA

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