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
The shift into April brings a slight increase in the average high-temperature, moving from a cool 52.5°F (11.4°C) in March to a refreshing 57.9°F (14.4°C). With a notable disparity from daily peak temperatures, the average low-temperature settles at a wintry 35.4°F (1.9°C) throughout April.Humidity
In Merlin, the average relative humidity in April is 79%.Rainfall
In April, the rain falls for 15.9 days. Throughout April, 2.01" (51mm) of precipitation is accumulated. In Merlin, during the entire year, the rain falls for 135.3 days and collects up to 23.54" (598mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Merlin aggregates 0.04" (1mm) of snow. Throughout the year, there are 7.9 snowfall days, and 5.12" (130mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 25min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:08 am and sunset at 8:13 pm PDT.
Sunshine
In Merlin, Oregon, the average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, a regular UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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 in Merlin?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Merlin have in April?
When are sunrise and sunset in April in Merlin?
How many hours of sunshine does Merlin have in April?
How high is the UV index in April?
Average temperature in April
Merlin, OR
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is December (31.5°F).
Average pressure in April
Merlin, OR
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in April
Merlin, OR
- Average wind speed in April: 3.9mph
The windiest month (with the highest average wind speed) is March (4mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in April
Merlin, OR
- Average humidity in April: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (63%).
Average rainfall in April
Merlin, OR
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in April
Merlin, OR
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is March (18.7 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in April
Merlin, OR
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Merlin, OR
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (2.8 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
Merlin, 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: 8h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in April
Merlin, OR
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in April
Merlin, 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
Merlin, OR
- Average cloud cover in April: 49
The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in April
Merlin, OR
- Average visibility in April: 4mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Merlin, Oregon, USA
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