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 start of April is characterized by a subtle increase in the average high-temperature, transitioning from a cool 52.7°F (11.5°C) in March to a refreshing 58.6°F (14.8°C). During April, the temperature is averaged to a low of 39.9°F (4.4°C) at night.Humidity
In West Slope, the average relative humidity in April is 77%.Rainfall
In West Slope, Oregon, in April, during 18.7 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In West Slope, during the entire year, the rain falls for 173.2 days and collects up to 30.55" (776mm) of precipitation.Snowfall
In West Slope, snow does not fall in April through October.Daylight
In West Slope, the average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:39 pm. On the last day of April, sunrise is at 5:59 am and sunset at 8:17 pm PDT.
Sunshine
In April, the average sunshine in West Slope is 7.4h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in April leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the temperature in April in West Slope?
What is the average humidity in April in West Slope?
How many days does it rain in April in West Slope?
When it does not snow in West Slope?
Does it snow in West Slope in April?
How many hours of daylight does West Slope have in April?
When are sunrise and sunset in April in West Slope?
How many hours of sunshine does West Slope have in April?
What is the UV index reading in April in West Slope?
Average temperature in April
West Slope, OR
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is August (55.6°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in April
West Slope, OR
- Average pressure in April: 30.07"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
West Slope, OR
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in April
West Slope, OR
- Average humidity in April: 77%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in April
West Slope, OR
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
West Slope, OR
- Average rainfall days in April: 18.7 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.6 days).
Average snowfall in April
West Slope, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
West Slope, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
West Slope, OR
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in April
West Slope, OR
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (8.6 days).
Average UV index in April
West Slope, 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
West Slope, OR
- Average cloud cover in April: 54
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in April
West Slope, OR
- Average visibility in April: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
West Slope, Oregon, USA
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