April weather forecastBrinnon, WA
April
Weather in April
April in Brinnon, Washington, is a refreshing spring month, with an average temperature fluctuating between 55.8°F (13.2°C) and 40.6°F (4.8°C).Temperature
April showcases a minor temperature ascent, adjusting from March's fresh 50.2°F (10.1°C) to a refreshing 55.8°F (13.2°C). In the month of April, Brinnon's average low-temperature falls to an icy 40.6°F (4.8°C).Humidity
The average relative humidity in April is 79%.Rainfall
In April, the rain falls for 18.8 days. Throughout April, 1.93" (49mm) of precipitation is accumulated. In Brinnon, during the entire year, the rain falls for 180.4 days and collects up to 26.93" (684mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.1 snowfall days, in April, Brinnon aggregates 0.04" (1mm) of snow. Throughout the year, there are 8.1 snowfall days, and 4.69" (119mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 41min.On the first day of April, sunrise is at 6:48 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:23 pm PDT.
Sunshine
In Brinnon, the average sunshine in April is 8.6h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Brinnon, 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
Brinnon, 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
Brinnon, 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
Brinnon, 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
Brinnon, 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
Brinnon, 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
Brinnon, 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
Brinnon, 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 daylight in April /
Average sunshine in April
Brinnon, 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 36min
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
Brinnon, 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
Brinnon, 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
Brinnon, 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
Brinnon, 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).
