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 sea temperature 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
Silverdale's transition into April sees a mild rise in the average high-temperature, edging from a fresh 50.2°F (10.1°C) in March to a mild 55.8°F (13.2°C). Silverdale reports a consistent average low-temperature of 40.6°F (4.8°C) throughout April nights.Humidity
In April, the average relative humidity is 79%.Rainfall
In April, the rain falls for 18.8 days. Throughout April, 1.93" (49mm) of precipitation is accumulated. In Silverdale, during the entire year, the rain falls for 180.4 days and collects up to 26.93" (684mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Silverdale aggregates 0.04" (1mm) of snow. In Silverdale, during the entire year, snow falls for 8.1 days and aggregates up to 4.69" (119mm) of snow.Ocean temperature
In Silverdale, Washington, in April, the average water temperature is 45.9°F (7.7°C).Note: It is advised against swimming in 45.9°F (7.7°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
In April, the average length of the day in Silverdale is 13h and 41min.On the first day of April, sunrise is at 6:47 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:22 pm PDT.
Sunshine
In Silverdale, the average sunshine in April is 8.6h.UV index
In Silverdale, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during April translates into the following guidance:
Be vigilant - A duty to shield skin and eyes from injury exists. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Silverdale in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the ocean temperature in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April in Silverdale?
What is the UV index intensity in April in Silverdale?
Average temperature in April
Silverdale, WA
- Average high temperature in April: 55.8°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).
Average pressure in April
Silverdale, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and September (30.01"Hg).
Average wind speed in April
Silverdale, WA
- Average wind speed in April: 4.7mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.2mph).
Average humidity in April
Silverdale, WA
- Average humidity in April: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
Silverdale, WA
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
Silverdale, WA
- Average rainfall days in April: 18.8 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
Silverdale, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Silverdale, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Silverdale, WA
- Average sea temperature in April: 45.8°F
The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in April /
Average sunshine in April
Silverdale, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in April
Silverdale, WA
- Average sunshine days in April: 9 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in April
Silverdale, WA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Silverdale, WA
- Average cloud cover in April: 46
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in April
Silverdale, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Silverdale, Washington, USA
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