April weather forecastMonitor, WA
April
Weather in April
April is a fresh spring month in Monitor, Washington, with an average temperature varying between 53.6°F (12°C) and 32.9°F (0.5°C).Temperature
April brings a temperature change, with average high-temperatures moving from March's chilly 43.5°F (6.4°C) to a fresh 53.6°F (12°C). Monitor observes an average low-temperature of 32.9°F (0.5°C) during April nights.Humidity
The average relative humidity in April in Monitor is 69%.Rainfall
In Monitor, during April, the rain falls for 12.2 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 113.5 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
Months with snowfall in Monitor are January through April, November and December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Monitor aggregates 0.12" (3mm) of snow. Throughout the year, there are 26.2 snowfall days, and 14.13" (359mm) of snow is accumulated.Daylight
In April, the average length of the day in Monitor is 13h and 40min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:32 pm. On the last day of April, sunrise is at 5:44 am and sunset at 8:12 pm PDT.
Sunshine
The average sunshine in April in Monitor, Washington, is 10.4h.UV index
In April, the average daily maximum UV index in Monitor, Washington, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Monitor, WA
- Average high temperature in April: 53.6°F
The warmest months (with the highest average high temperature) are July and August (82.2°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in April: 32.9°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in April
Monitor, WA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in April
Monitor, WA
- Average wind speed in April: 5.3mph
The windiest months (with the highest average wind speed) are June and July (5.8mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in April
Monitor, WA
- Average humidity in April: 69%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in April
Monitor, WA
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is January (2.05").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in April
Monitor, WA
- Average rainfall days in April: 12.2 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in April
Monitor, WA
- Average snowfall in April: 0.12"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Monitor, WA
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is December (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Monitor, 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: 10h and 24min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Monitor, WA
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is March (12.4 days).
Average UV index in April
Monitor, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Monitor, WA
- Average cloud cover in April: 34
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in April
Monitor, WA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





