April weather forecastVernonia, OR
April
Weather in April
April is a cool spring month in Vernonia, Oregon, with an average temperature fluctuating between 55°F (12.8°C) and 36.9°F (2.7°C).Temperature
As Vernonia transitions into April, the average high-temperature stands at a fresh 55°F (12.8°C), offering little variation from the preceding month. The temperature dips to an average of 36.9°F (2.7°C) during April nights.Humidity
In Vernonia, the average relative humidity in April is 84%.Rainfall
In Vernonia, in April, during 19.6 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 184.4 rainfall days, and 36.61" (930mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Vernonia aggregates 0.04" (1mm) of snow. In Vernonia, during the entire year, snow falls for 11.8 days and aggregates up to 10.24" (260mm) of snow.Daylight
In Vernonia, the average length of the day in April is 13h and 35min.On the first day of April, sunrise is at 6:50 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:19 pm PDT.
Sunshine
The average sunshine in April is 6.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Vernonia, OR
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.1°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in April
Vernonia, OR
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed in April
Vernonia, OR
- Average wind speed in April: 4.6mph
The windiest months (with the highest average wind speed) are January, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in April
Vernonia, OR
- Average humidity in April: 84%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Vernonia, OR
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is January (5.79").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days in April
Vernonia, OR
- Average rainfall days in April: 19.6 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is July (6 days).
Average snowfall in April
Vernonia, OR
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Vernonia, OR
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (4.4 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
Vernonia, 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: 6h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in April
Vernonia, OR
- Average sunshine days in April: 8.8 days
The month with the most sunshine days is July (22.1 days).
The months with the least sunshine days are February and March (7.6 days).
Average UV index in April
Vernonia, OR
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Vernonia, OR
- Average cloud cover in April: 62
The months with the most cloud cover are February and March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Vernonia, OR
- Average visibility in April: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
