April weather forecastScappoose, OR
April
Weather in April
April in Scappoose, Oregon, is a refreshing spring month, with an average temperature varying between 56.8°F (13.8°C) and 38.5°F (3.6°C).Temperature
With the onset of April, Scappoose's average high-temperature sees a modest rise, moving from March's fresh 51.3°F (10.7°C) to a mild 56.8°F (13.8°C). Scappoose's April nights cool down to an average low-temperature of 38.5°F (3.6°C).Humidity
The average relative humidity in April is 81%.Rainfall
In Scappoose, in April, it is raining for 19.7 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, there are 181.3 rainfall days, and 35.55" (903mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Scappoose.Daylight
In Scappoose, the average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:40 pm. On the last day of April, sunrise is at 5:58 am and sunset at 8:18 pm PDT.
Sunshine
In April, the average sunshine is 7h.UV index
In Scappoose, the average daily maximum UV index in April 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: A daily high UV index of 3 in April leads to these guidelines:
Undertake protective steps - Preventing sun damage is advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Scappoose, OR
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in April: 38.5°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in April
Scappoose, OR
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Scappoose, OR
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity in April
Scappoose, OR
- Average humidity in April: 81%
The months with the highest relative humidity are February and November (87%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in April
Scappoose, OR
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is January (5.24").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in April
Scappoose, OR
- Average rainfall days in April: 19.7 days
The month with the highest number of rainy days is March (21.1 days).
The months with the least rainy days are July and August (5.5 days).
Average snowfall in April
Scappoose, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Scappoose, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Scappoose, OR
- Average daylight in April: 13h and 36min
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 April: 7h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in April
Scappoose, OR
- Average sunshine days in April: 8.1 days
The month with the most sunshine days is July (23.2 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in April
Scappoose, OR
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Scappoose, OR
- Average cloud cover in April: 57
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Scappoose, OR
- Average visibility in April: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
