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 average high-temperature is a refreshing 57.7°F (14.3°C), maintaining a close comparison with March's 52.7°F (11.5°C). Harrisburg, in the month of April, anticipates a consistent average low-temperature of 37.6°F (3.1°C).Humidity
The average relative humidity in April in Harrisburg is 82%.Rainfall
In Harrisburg, Oregon, during April, the rain falls for 17.8 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Harrisburg, Oregon, during the entire year, the rain falls for 161.8 days and collects up to 28.82" (732mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Harrisburg, the average length of the day in April is 13h and 30min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:03 am and sunset at 8:15 pm PDT.
Sunshine
In Harrisburg, the average sunshine in April is 7h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 in April translates into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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?
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 Harrisburg have in April?
What is the UV index reading in April?
Average temperature in April
Harrisburg, OR
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
- Average low temperature in April: 37.6°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in April
Harrisburg, OR
- Average pressure in April: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Harrisburg, OR
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity in April
Harrisburg, OR
- Average humidity in April: 82%
The months with the highest relative humidity are January, February, March and December (87%).
The month with the lowest relative humidity is August (68%).
Average rainfall in April
Harrisburg, OR
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in April
Harrisburg, OR
- Average rainfall days in April: 17.8 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in April
Harrisburg, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Harrisburg, OR
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2 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
Harrisburg, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in April
Harrisburg, OR
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is July (26.2 days).
The months with the least sunshine days are February and March (9.4 days).
Average UV index in April
Harrisburg, 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
Harrisburg, OR
- Average cloud cover in April: 57
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in April
Harrisburg, OR
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Harrisburg, Oregon, USA
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