Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Harbor experiences a transition to a still cool 54.5°F (12.5°C) in average high-temperatures with the arrival of April, not greatly differing from March's 51.6°F (10.9°C). The low-temperature averages to a chilly 44.8°F (7.1°C) during the nights of April.Humidity
In Harbor, the average relative humidity in April is 79%.Rainfall
In April, the rain falls for 14.3 days. Throughout April, 4.09" (104mm) of precipitation is accumulated. In Harbor, during the entire year, the rain falls for 130.9 days and collects up to 47.09" (1196mm) of precipitation.Snowfall
In Harbor, snow does not fall in January, March through December.Ocean temperature
January, February and April, with an average ocean temperature of 50.7°F (10.4°C), are months with the coldest seawater.Note: Caution: 50.7°F (10.4°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
In April, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:43 pm. On the last day of April, sunrise is at 6:12 am and sunset at 8:15 pm PDT.
Sunshine
In April, the average sunshine is 8.6h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during April leads to these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Harbor in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
What are the months with the coldest ocean?
What is the ocean temperature in April?
How many hours of daylight does Harbor have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Harbor have in April?
How high is the UV index in April?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
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).
Harbor, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location