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
As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a chilly 45.1°F (7.3°C) to a cool 52.9°F (11.6°C). An average nighttime temperature of 34.9°F (1.6°C) is observed in Alfalfa during April.Humidity
In April, the average relative humidity is 63%.Rainfall
In April, the rain falls for 7.5 days. Throughout April, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 65.5 rainfall days, and 5.67" (144mm) of precipitation is accumulated.Snowfall
Months with snowfall in Alfalfa are January through April, September through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, Alfalfa aggregates 0.39" (10mm) of snow. Throughout the year, there are 20.9 snowfall days, and 9.02" (229mm) of snow is accumulated.Daylight
In April, the average length of the day in Alfalfa is 13h and 29min.On the first day of April, sunrise is at 6:43 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:06 pm PDT.
Sunshine
The average sunshine in April is 10h.UV index
In April, the average daily maximum UV index 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: The maximum daily UV index of 3 in April converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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?
What is the last month it snows in Alfalfa?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April in Alfalfa?
Average temperature in April
Alfalfa, OR
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in April: 34.9°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in April
Alfalfa, OR
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in April
Alfalfa, OR
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).
Average humidity in April
Alfalfa, OR
- Average humidity in April: 63%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in April
Alfalfa, OR
- Average rainfall in April: 0.55"
The wettest month (with the highest rainfall) is May (0.67").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in April
Alfalfa, OR
- Average rainfall days in April: 7.5 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is July (2 days).
Average snowfall in April
Alfalfa, OR
- Average snowfall in April: 0.39"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Alfalfa, OR
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Alfalfa, OR
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 10h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in April
Alfalfa, OR
- Average sunshine days in April: 21.3 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (19.5 days).
Average UV index in April
Alfalfa, 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, March, November and December (UV index 2).
Average cloud cover in April
Alfalfa, OR
- Average cloud cover in April: 36
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in April
Alfalfa, OR
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Alfalfa, Oregon, USA
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