April weather forecast
Harbor, OR

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Weather in April

April, the same as March, is a cool spring month in Harbor, Oregon, with an average temperature varying between 54.5°F (12.5°C) and 44.8°F (7.1°C).

Temperature

Harbor indicates an average high-temperature of a still cool 54.5°F (12.5°C) in April, showing minor variation from March's 51.6°F (10.9°C). In April, the recorded average low-temperature is a frosty 44.8°F (7.1°C).

Humidity

The average relative humidity in April is 79%.

Rainfall

In Harbor, in April, during 14.3 rainfall days, 4.09" (104mm) of precipitation is typically accumulated. Throughout the year, in Harbor, Oregon, there are 130.9 rainfall days, and 47.09" (1196mm) of precipitation is accumulated.

Snowfall

In Harbor, snow does not fall in January, March through December.

Ocean temperature

The months with the coldest seawater are January, February and April, with an average ocean temperature of 50.7°F (10.4°C).
Note: With an efficient thermal swimsuit, one can navigate 50.7°F (10.4°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.

Daylight

In April, the average length of the day is 13h and 23min.
On the first day of April, sunrise is at 6:58 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:15 pm PDT.

Sunshine

The average sunshine in April in Harbor is 8.6h.

UV index

In April, the average daily maximum UV index in Harbor is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, the UV index of 4 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What are the temperatures in Harbor in April?

The average high-temperature and low-temperature in Harbor during April are 54.5°F (12.5°C) and 44.8°F (7.1°C) respectively.

What is the average humidity in April in Harbor?

In April, the average relative humidity in Harbor is 79%.

How much does it rain in Harbor in April?

In Harbor, Oregon, during April, the rain falls for 14.3 days and regularly aggregates up to 4.09" (104mm) of precipitation.

When it does not snow in Harbor?

January, March through December are months without snowfall.

What are the months with the coldest ocean in Harbor?

January, February and April, with an average ocean temperature of 50.7°F (10.4°C), are months with the coldest seawater.

What is the water temperature in April in Harbor?

In Harbor, Oregon, in April, the average water temperature is 50.7°F (10.4°C). Swimming in 50.7°F (10.4°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 Harbor have in April?

In Harbor, Oregon, the average day length in April is 13h and 23min.

When is the sunrise / sunset in April in Harbor?

On the first day of April in Harbor, sunrise is at 6:58 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:15 pm PDT.

How long on average sun shines in April in Harbor?

In April, the average sunshine duration in Harbor, Oregon, is 8.6h.

What is the UV index reading in April in Harbor?

In Harbor, Oregon, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Harbor, OR

Average temperature in April - Harbor, OR
  • Average high temperature in April: 54.5°F

The warmest months (with the highest average high temperature) are July and August (68.5°F).
The month with the lowest average high temperature is December (50.9°F).

  • Average low temperature in April: 44.8°F

The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is February (43°F).

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Average pressure in April
Harbor, OR

Average pressure in April - Harbor, OR
  • Average pressure in April: 30.09"Hg

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

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Average wind speed in April
Harbor, OR

Average wind speed in April - Harbor, OR
  • Average wind speed in April: 9.4mph

The windiest month (with the highest average wind speed) is June (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).

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Average humidity in April
Harbor, OR

Average humidity in April - Harbor, OR
  • Average humidity in April: 79%

The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are July and September (76%).

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Average rainfall in April
Harbor, OR

Average rainfall in April - Harbor, OR
  • Average rainfall in April: 4.09"

The wettest month (with the highest rainfall) is December (8.11").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in April
Harbor, OR

Average rainfall days in April - Harbor, OR
  • Average rainfall days in April: 14.3 days

The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is July (2.2 days).

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Average snowfall in April
Harbor, OR

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

The month with the highest snowfall is February (0.71").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in April
Harbor, OR

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

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in April
Harbor, OR

Average sea temperature in April - Harbor, OR
  • Average sea temperature in April: 50.8°F

The best month for swimming (with the highest average sea temperature) is July (53.5°F).
The coldest months (with the lowest average sea temperature) are January, February and April (50.8°F).

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Average daylight in April /
Average sunshine in April
Harbor, OR

Average daylight in April / Average sunshine in April - Harbor, OR
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in April: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in April
Harbor, OR

Average sunshine days in April - Harbor, OR
  • Average sunshine days in April: 13.5 days

The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (11 days).

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Average UV index in April
Harbor, OR

Average UV index in April - Harbor, OR
  • Average UV index in April: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).

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Average cloud cover in April
Harbor, OR

Average cloud cover in April - Harbor, OR
  • Average cloud cover in April: 42

The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in April
Harbor, OR

Average visibility in April - Harbor, OR
  • Average visibility in April: 6mi

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

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Harbor, Oregon, USA

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