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 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
The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a cool 50.2°F (10.1°C) to a moderate 55.9°F (13.3°C). During the nights in April, Cascadia observes an average low-temperature of 36.9°F (2.7°C).Humidity
In Cascadia, the average relative humidity in April is 82%.Rainfall
In Cascadia, in April, during 18.7 rainfall days, 4.06" (103mm) of precipitation is typically accumulated. Throughout the year, in Cascadia, there are 167.6 rainfall days, and 36.54" (928mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Cascadia, Oregon. April is the last month it regularly snows in Cascadia, Oregon. During 0.3 snowfall days, in April, Cascadia aggregates 0.08" (2mm) of snow. Throughout the year, in Cascadia, there are 7.9 snowfall days, and 7.76" (197mm) of snow is accumulated.Daylight
The average length of the day in April in Cascadia is 13h and 30min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:37 pm. On the last day of April, sunrise is at 6:00 am and sunset at 8:13 pm PDT.
Sunshine
In Cascadia, Oregon, the average sunshine in April is 7h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during April translates into the following guidance:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in April in Cascadia?
What is the average humidity in April in Cascadia?
How many days does it rain in April in Cascadia?
What is the last month it snows in Cascadia?
How many hours of daylight does Cascadia have in April?
What time are sunrise and sunset in April in Cascadia?
How many hours of sunshine does Cascadia have in April?
What is the UV index reading in April in Cascadia?
Average temperature in April
Cascadia, OR
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in April
Cascadia, OR
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Cascadia, OR
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
Cascadia, OR
- Average humidity in April: 82%
The months with the highest relative humidity are February, March and December (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in April
Cascadia, OR
- Average rainfall in April: 4.06"
The wettest month (with the highest rainfall) is December (5.47").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in April
Cascadia, OR
- Average rainfall days in April: 18.7 days
The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in April
Cascadia, OR
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Cascadia, OR
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Cascadia, OR
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in April
Cascadia, OR
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in April
Cascadia, OR
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Cascadia, OR
- Average cloud cover in April: 57
The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in April
Cascadia, OR
- Average visibility in April: 4mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).
Cascadia, Oregon, USA
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