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
With the onset of April, Arlington's average high-temperature sees a rise, moving from March's frosty 49.6°F (9.8°C) to a mild 58.6°F (14.8°C). Arlington, during April nights, observes an average temperature of 39.9°F (4.4°C).Humidity
The average relative humidity in April is 61%.Rainfall
In Arlington, in April, it is raining for 11.6 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 107.9 rainfall days, and 8.46" (215mm) of precipitation is accumulated.Snowfall
In Arlington, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 34min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:29 pm. On the last day of April, sunrise is at 5:48 am and sunset at 8:07 pm PDT.
Sunshine
In April, the average sunshine is 10h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Arlington have in April?
How high is the UV index in April?
Average temperature in April
Arlington, OR
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure in April
Arlington, OR
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in April
Arlington, OR
- Average wind speed in April: 9.1mph
The windiest month (with the highest average wind speed) is June (9.2mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in April
Arlington, OR
- Average humidity in April: 61%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall in April
Arlington, OR
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is January (1.1").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in April
Arlington, OR
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (4.4 days).
Average snowfall in April
Arlington, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Arlington, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Arlington, OR
- Average daylight in April: 13h and 4min
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 48min).
- Average sunshine in April: 10h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in April
Arlington, OR
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (14 days).
Average UV index in April
Arlington, OR
- Average UV index in April: 4
The months with the highest UV index are June and 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
Arlington, OR
- Average cloud cover in April: 34
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in April
Arlington, OR
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Arlington, Oregon, USA
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