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
April
Weather in April
Temperature
April brings a slight elevation in the average high-temperature, transitioning from March's cool 50.9°F (10.5°C) to a moderate 56.8°F (13.8°C). Troutdale's nights in April experience an average temperature drop to a cold 38.8°F (3.8°C).Humidity
In Troutdale, the average relative humidity in April is 79%.Rainfall
In Troutdale, in April, it is raining for 18.6 days, with typically 3.5" (89mm) of accumulated precipitation. In Troutdale, during the entire year, the rain falls for 171 days and collects up to 37.2" (945mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:38 pm. On the last day of April, sunrise is at 5:57 am and sunset at 8:15 pm PDT.
Sunshine
The average sunshine in April is 7.5h.UV index
In April, the average daily maximum UV index in Troutdale is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April in Troutdale?
How many days does it rain in April?
When it does not snow?
Does it snow in Troutdale in April?
How many hours of daylight does Troutdale have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Troutdale, 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 (43.3°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is August (52.7°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in April
Troutdale, OR
- Average pressure in April: 30.06"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
Troutdale, OR
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
Troutdale, OR
- Average humidity in April: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (65%).
Average rainfall in April
Troutdale, OR
- Average rainfall in April: 3.5"
The wettest month (with the highest rainfall) is December (5.63").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Troutdale, OR
- Average rainfall days in April: 18.6 days
The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in April
Troutdale, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Troutdale, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.2 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
Troutdale, OR
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 7h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in April
Troutdale, OR
- Average sunshine days in April: 9.1 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in April
Troutdale, 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
Troutdale, OR
- Average cloud cover in April: 54
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in April
Troutdale, OR
- Average visibility in April: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).