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 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
The onset of April marks a slight increase in the average high-temperature, moving from a frosty 45.9°F (7.7°C) in March to a fresh 54.9°F (12.7°C). Nine Mile Falls, in the month of April, anticipates a consistent average low-temperature of 36.1°F (2.3°C).Humidity
The average relative humidity in April is 67%.Rainfall
In April, the rain falls for 16.3 days. Throughout April, 1.5" (38mm) of precipitation is accumulated. In Nine Mile Falls, during the entire year, the rain falls for 127.8 days and collects up to 16.93" (430mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Nine Mile Falls, in April, snow falls for 3.4 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, there are 62.3 snowfall days, and 37.83" (961mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 41min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:20 pm. On the last day of April, in Nine Mile Falls, sunrise is at 5:32 am and sunset at 8:02 pm PDT.
Sunshine
The average sunshine in April is 9.2h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Nine Mile Falls have in April?
When are sunrise and sunset in April in Nine Mile Falls?
How long on average sun shines in April in Nine Mile Falls?
What is the UV index intensity in April?
Average temperature in April
Nine Mile Falls, WA
- Average high temperature in April: 54.9°F
The warmest months (with the highest average high temperature) are July and August (83.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in April
Nine Mile Falls, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in April
Nine Mile Falls, WA
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in April
Nine Mile Falls, WA
- Average humidity in April: 67%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).
Average rainfall in April
Nine Mile Falls, WA
- Average rainfall in April: 1.5"
The wettest month (with the highest rainfall) is March (2.13").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in April
Nine Mile Falls, WA
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in April
Nine Mile Falls, WA
- Average snowfall in April: 1.42"
The month with the highest snowfall is January (10.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Nine Mile Falls, WA
- Average snowfall days in April: 3.4 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Nine Mile Falls, 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: 9h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in April
Nine Mile Falls, WA
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in April
Nine Mile Falls, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in April
Nine Mile Falls, WA
- Average cloud cover in April: 41
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in April
Nine Mile Falls, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Nine Mile Falls, Washington, USA
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