April weather forecastPorter, WA
April
Weather in April
April in Porter, Washington, is a moderate spring month, with an average temperature ranging between max 55.4°F (13°C) and min 37°F (2.8°C).Temperature
The arrival of April introduces a minor uplift in high-temperatures, adjusting from a fresh 50°F (10°C) in March to a mild 55.4°F (13°C). During April, an average low-temperature of 37°F (2.8°C) is observed in Porter.Humidity
In Porter, Washington, the average relative humidity in April is 83%.Rainfall
In April, in Porter, Washington, the rain falls for 19.3 days. Throughout April, 3.07" (78mm) of precipitation is accumulated. Throughout the year, there are 183.5 rainfall days, and 44.17" (1122mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Porter.Daylight
The average length of the day in April in Porter is 13h and 38min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:43 pm. On the last day of April, sunrise is at 5:57 am and sunset at 8:22 pm PDT.
Sunshine
In April, the average sunshine in Porter, Washington, is 7h.UV index
The average daily maximum UV index in April in Porter, Washington, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Porter, WA
- Average high temperature in April: 55.4°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 37°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in April
Porter, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in April
Porter, WA
- Average wind speed in April: 4.4mph
The windiest month (with the highest average wind speed) is June (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.5mph).
Average humidity in April
Porter, WA
- Average humidity in April: 83%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Porter, WA
- Average rainfall in April: 3.07"
The wettest month (with the highest rainfall) is January (7.32").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Porter, WA
- Average rainfall days in April: 19.3 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in April
Porter, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Porter, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (3.5 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
Porter, WA
- Average daylight in April: 13h and 36min
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 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in April
Porter, WA
- Average sunshine days in April: 8.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in April
Porter, WA
- Average UV index in April: 3
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
Porter, WA
- Average cloud cover in April: 59
The months with the most cloud cover are January and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in April
Porter, WA
- Average visibility in April: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).





