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 comes alive under the lengthening days and budding ambiance of spring weather.

Temperature

As February turns into March in Seaside, the average high-temperatures rest at a still chilly 49.6°F (9.8°C), showing a minor variation from the prior month. Seaside's nighttime average temperature in March subtly descends to a cold 42.4°F (5.8°C) from the daily highs.

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, during 20.8 rainfall days, 4.06" (103mm) of precipitation is typically accumulated. In Seaside, Oregon, during the entire year, the rain falls for 185.6 days and collects up to 39.8" (1011mm) of precipitation.

Snowfall

January through March and December are months with snowfall. March is the last month it regularly snows in Seaside. During 0.6 snowfall days, in March, Seaside aggregates 0.16" (4mm) of snow. Throughout the year, there are 2.8 snowfall days, and 1.3" (33mm) of snow is accumulated.

Ocean temperature

In Seaside, the average seawater temperature in March is 48.7°F (9.3°C).
Note: Swimming in 48.7°F (9.3°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.

Daylight

In March, the average length of the day is 11h and 58min.
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 March, 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 March, the average sunshine 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 moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 in March interprets into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What is the usual temperature for Seaside in March?

An average high-temperature, in March, in Seaside, is 49.6°F (9.8°C) and the average low-temperature is 42.4°F (5.8°C).

What is the least humid month in Seaside?

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 many days does it rain in March in Seaside?

In March, in Seaside, the rain falls for 20.8 days. Throughout March, 4.06" (103mm) of precipitation is accumulated.

What is the last month it snows in Seaside?

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

What is the ocean temperature in March in Seaside?

In March, the average ocean temperature in Seaside is 48.7°F (9.3°C). Swimming in 48.7°F (9.3°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 Seaside?

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

When are sunrise and sunset in March in Seaside?

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, in Seaside, sunrise is at 6:55 am and sunset at 7:43 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Seaside, Oregon, 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 Seaside have in March?

The average sunshine duration in March is 5.6h.

What is the UV index intensity in March in Seaside?

In Seaside, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMarchAMJJASOND
Feb
March
Apr
Average high temperature
47.7°F 8.7°C
49.6°F 9.8°C
52.3°F 11.3°C
Average low temperature
40.8°F 4.9°C
42.4°F 5.8°C
44.1°F 6.7°C
Average pressure
30.06" 764mmHg
30.02" 763mmHg
30.07" 764mmHg
Average wind speed
9.8mph 15.8km/h
10.1mph 16.3km/h
8.9mph 14.3km/h
Average max. wind speed
10.4mph 16.7km/h
10.6mph 17.1km/h
9.6mph 15.4km/h
Average wind speed gusts
15.6mph 25.1km/h
15.8mph 25.4km/h
13.7mph 22km/h
Average humidity
82%
81%
81%
Average rainfall
4.41" 112mm
4.06" 103mm
3.03" 77mm
Average rainfall days
18.7
20.8
19
Average snowfall
0.59" 15mm
0.16" 4mm
0" 0mm
Average snowfall days
1.3
0.6
0
Average sea temperature
48.1°F 8.9°C
48.7°F 9.3°C
49.8°F 9.9°C
Average daylight
10h 2min
12h 0min
13h 4min
Average sunshine
3h 5min
5h 4min
7h 2min
Average sunshine days
7.5
8.3
9.1
Average UV index
2
3
3
Average cloud cover
59%
58%
53%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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Seaside, Oregon, USA

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