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
April's arrival signals a subtle increase in average high-temperatures, moving from March's fresh 51.3°F (10.7°C) to a moderate 56.8°F (13.8°C). Trail anticipates a stark contrast in temperature during April nights, with an average low of 35.1°F (1.7°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Trail, in April, during 15.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Trail, during the entire year, the rain falls for 131.5 days and collects up to 20.87" (530mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Trail, during April, snow falls for 2.2 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, there are 26.3 snowfall days, and 21.18" (538mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 25min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:37 pm. On the last day of April, sunrise is at 6:05 am and sunset at 8:10 pm PDT.
Sunshine
The average sunshine in April is 9h.UV index
In Trail, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April in Trail?
What is the UV index intensity in April?
Average temperature in April
Trail, OR
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in April: 35.1°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (30.4°F).
Average pressure in April
Trail, OR
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in April
Trail, OR
- Average wind speed in April: 4.1mph
The windiest months (with the highest average wind speed) are January and March (4.3mph).
The calmest months (with the lowest average wind speed) are September and October (3.5mph).
Average humidity in April
Trail, OR
- Average humidity in April: 77%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (60%).
Average rainfall in April
Trail, OR
- Average rainfall in April: 2.05"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Trail, OR
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is March (18 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in April
Trail, OR
- Average snowfall in April: 0.91"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Trail, OR
- Average snowfall days in April: 2.2 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Trail, OR
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in April
Trail, OR
- Average sunshine days in April: 12.7 days
The months with the most sunshine days are July and August (25.9 days).
The month with the least sunshine days is March (10.7 days).
Average UV index in April
Trail, 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
Trail, OR
- Average cloud cover in April: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in April
Trail, OR
- Average visibility in April: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Trail, Oregon, USA
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