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

April weather forecast and climate
Astoria, OR

A scenic seaside shot of the city of Astoria in Oregon, with a view of the iconic Astoria Megler bridge crossing over the Columbia River
A scenic seaside shot of the city of Astoria in Oregon, with a view of the iconic Astoria Megler bridge crossing over the Columbia River
April in Astoria, Oregon, is a mild spring month, with average temperature fluctuating between 56.5°F (13.6°C) and 41°F (5°C).

Temperature

In Astoria, the average high-temperature is practically the same as in March - a moderate 56.5°F (13.6°C). In April, in Astoria, the average low-temperature is 41°F (5°C).

Rainfall

In Astoria, in April, during 18.4 rainfall days, 5.2" (132.1mm) of precipitation is typically accumulated. In Astoria, during the entire year, the rain falls for 191.1 days and collects up to 67.2" (1708.1mm) of precipitation.

Snowfall

In Astoria, during the entire year, snow aggregates up to 1.1" (27.9mm).

Ocean temperature

In Astoria, the average water temperature is 49.6°F (9.8°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In Astoria, the average length of the day is 13.6h.

Sunshine

In April, the average sunshine in Astoria is 7h.

UV index

In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in April in Astoria?

The average high-temperature, in April, in Astoria, Oregon, is 56.5°F (13.6°C), while the average low-temperature is 41°F (5°C).

How much does it rain in Astoria in April?

In Astoria, Oregon, in April, it is raining for 18.4 days, with typically 5.2" (132.1mm) of accumulated precipitation.

What is the ocean temperature in April in Astoria?

In April, the average ocean temperature in Astoria, Oregon, is 49.6°F (9.8°C). Swimming in 49.6°F (9.8°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.

How many hours of daylight does Astoria have in April?

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

How long on average sun shines in April in Astoria?

The average sunshine in April in Astoria, Oregon, is 7h.

What is the UV index reading in April in Astoria?

In Astoria, Oregon, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in April - Astoria, OR
  • Average high temperature in April: 56.4°F

The warmest month (with the highest average high temperature) is August (68.7°F).
The month with the lowest average high temperature is December (48.7°F).

  • Average low temperature in April: 41°F

Months with the highest average low temperature are July and August (53.1°F).
The coldest month (with the lowest average low temperature) is December (36.6°F).

Average rainfall in April - Astoria, OR
  • Average rainfall in April: 5.2"

The wettest month (with the highest rainfall) is November (11.2").
The driest month (with the lowest rainfall) is July (1").

Average rainfall days in April - Astoria, OR
  • Average rainfall days in April: 18.4 days

Months with the highest number of rainy days are January and November (21.4 days).
The month with the lowest number of rainy days is August (7.4 days).

Average snowfall in April - Astoria, OR
  • Average snowfall in April: 0"

The month with the highest snowfall is January (0.5").
Months with the lowest snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in April - Astoria, OR
  • Average snowfall days in April: 0 days

Months with the highest number of snowfall days are January and February (0.4 days).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September and October (0 days).

Average sea temperature in April - Astoria, OR
  • Average sea temperature in April: 49.6°F

The best month for swimming (with the highest average sea temperature) is July (56.9°F).
The coldest month (with the lowest average sea temperature) is February (47.7°F).

Average daylight in April / Average sunshine in April - Astoria, 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).

  • Average sunshine in April: 7h

The month with most sunshine is July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 2).

Average UV index in April - Astoria, OR
  • Average UV index in April: 5

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).