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 coming of April brings a minor shift in Frederickson's weather, with average high-temperatures adjusting from March's cool 50.4°F (10.2°C) to a moderate 55.9°F (13.3°C). Nightly temperatures in Frederickson drop to an average low of 38.3°F (3.5°C) in April.Humidity
The average relative humidity in April in Frederickson is 80%.Rainfall
In Frederickson, in April, it is raining for 17.6 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Frederickson, there are 172.9 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
Months with snowfall in Frederickson are January through April, November and December. April is the last month it regularly snows in Frederickson. During 0.3 snowfall days, in April, Frederickson aggregates 0.04" (1mm) of snow. In Frederickson, during the entire year, snow falls for 10.3 days and aggregates up to 5.94" (151mm) of snow.Daylight
In Frederickson, the average length of the day in April is 13h and 39min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:39 pm. On the last day of April, in Frederickson, Washington, sunrise is at 5:53 am and sunset at 8:19 pm PDT.
Sunshine
In April, the average sunshine is 7.7h.UV index
In April, the average daily maximum UV index in Frederickson is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 during April translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Frederickson in April?
What is the average humidity in April in Frederickson?
How many days does it rain in April in Frederickson?
What is the last month it snows in Frederickson?
How many hours of daylight does Frederickson have in April?
When are sunrise and sunset in April in Frederickson?
How many hours of sunshine does Frederickson have in April?
What is the UV index intensity in April in Frederickson?
Average temperature in April
Frederickson, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in April: 38.3°F
The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in April
Frederickson, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in April
Frederickson, WA
- Average wind speed in April: 4.6mph
The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
Frederickson, WA
- Average humidity in April: 80%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
Frederickson, WA
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Frederickson, WA
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in April
Frederickson, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Frederickson, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (4.1 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
Frederickson, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in April
Frederickson, WA
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).
Average UV index in April
Frederickson, WA
- 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, October, November and December (UV index 2).
Average cloud cover in April
Frederickson, WA
- Average cloud cover in April: 53
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Frederickson, WA
- Average visibility in April: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January and February (4mi).
Frederickson, Washington, USA
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