Seaside
Oregon, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Seaside, OR

From atop a high cliff is this view of large rocks in the water on the Seaside shores, Oregon, overlooking the breathtaking sunset view
From atop a high cliff is this view of large rocks in the water on the Seaside shores, Oregon, overlooking the breathtaking sunset view
April is a moderate spring month in Seaside, Oregon, with average temperature varying between 57.2°F (14°C) and 41.2°F (5.1°C).

Temperature

In April, the average high-temperature is essentially the same as in March - a moderate 57.2°F (14°C). In April, in Seaside, the average low-temperature is 41.2°F (5.1°C).

Rainfall

In Seaside, during April, the rain falls for 17 days and regularly aggregates up to 6" (153.4mm) of precipitation. In Seaside, during the entire year, the rain falls for 177.3 days and collects up to 74.4" (1889.3mm) of precipitation.

Ocean temperature

In Seaside, in April, the average water temperature is 49.8°F (9.9°C).
Note: Swimming in 49.8°F (9.9°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.

Daylight

In Seaside, Oregon, the average length of the day in April is 13.6h.

What is the temperature in April in Seaside?

In Seaside, in April, the average high-temperature is 57.2°F (14°C), and the average low-temperature is 41.2°F (5.1°C).

How much does it rain in Seaside in April?

In Seaside, Oregon, in April, during 17 rainfall days, 6" (153.4mm) of precipitation is typically accumulated.

What is the ocean temperature in April in Seaside?

In Seaside, Oregon, the average seawater temperature in April is 49.8°F (9.9°C). Swimming in 49.8°F (9.9°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 April in Seaside?

In April, the average length of the day is 13.6h.
Average temperature in April - Seaside, OR
  • Average high temperature in April: 57.2°F

The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (51°F).

  • Average low temperature in April: 41.2°F

Months with the highest average low temperature are July and August (52.5°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

Average rainfall in April - Seaside, OR
  • Average rainfall in April: 6"

The wettest month (with the highest rainfall) is November (11.7").
The driest month (with the lowest rainfall) is August (1.2").

Average rainfall days in April - Seaside, OR
  • Average rainfall days in April: 17 days

Months with the highest number of rainy days are January and November (20.4 days).
The month with the lowest number of rainy days is August (6.9 days).

Average sea temperature in April - Seaside, OR
  • Average sea temperature in April: 49.8°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 April - Seaside, OR
  • Average daylight in April: 13.6h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).