April weather forecastNavy Yard City, WA
April
Weather in April
April is a moderate spring month in Navy Yard City, Washington, with temperature in the range of an average high of 56.7°F (13.7°C) and an average low of 39.9°F (4.4°C).Temperature
A soft shift in the average high-temperature is noticeable in April, transitioning from a fresh 50.9°F (10.5°C) in March to a mild 56.7°F (13.7°C). Navy Yard City registers a consistent average low-temperature of 39.9°F (4.4°C) during April.Humidity
In April, the average relative humidity is 79%.Rainfall
In Navy Yard City, during April, the rain falls for 13.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 138.9 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
In Navy Yard City, snow does not fall in April through October.Ocean temperature
In Navy Yard City, the average seawater temperature in April is 45.9°F (7.7°C).Note: Diving into 45.9°F (7.7°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
In Navy Yard City, the average length of the day in April is 13h and 40min.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 8:21 pm PDT.
Sunshine
In Navy Yard City, the average sunshine in April is 8.1h.UV index
In Navy Yard City, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Navy Yard City, WA
- Average high temperature in April: 56.7°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 (43.2°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in April
Navy Yard City, 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, August and September (30.01"Hg).
Average wind speed in April
Navy Yard City, WA
- Average wind speed in April: 5mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in April
Navy Yard City, 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 (69%).
Average rainfall in April
Navy Yard City, WA
- Average rainfall in April: 0.79"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
Navy Yard City, WA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in April
Navy Yard City, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Navy Yard City, WA
- Average snowfall days in April: 0.1 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 sea temperature in April
Navy Yard City, 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
Navy Yard City, WA
- Average daylight in April: 13h and 42min
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 6min
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
Navy Yard City, WA
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in April
Navy Yard City, WA
- Average UV index in April: 4
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
Navy Yard City, WA
- Average cloud cover in April: 50
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Navy Yard City, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
