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 shift into April is characterized by a rise in the average high-temperature, transitioning from March's cold 39.9°F (4.4°C) to a fresh 51.6°F (10.9°C). The average temperature drops to a subzero cold 30.6°F (-0.8°C) during the night in the month of April.Humidity
In April, the average relative humidity in Kettle Falls is 74%.Rainfall
In April, the rain falls for 17.8 days. Throughout April, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 156.3 rainfall days, and 16.18" (411mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. April is the last month it regularly snows. During 1.8 snowfall days, in April, Kettle Falls aggregates 0.43" (11mm) of snow. Throughout the year, there are 53.2 snowfall days, and 25.16" (639mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 44min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:23 pm. On the last day of April, sunrise is at 5:32 am and sunset at 8:06 pm PDT.
Sunshine
The average sunshine in April in Kettle Falls is 9.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Kettle Falls, WA
- Average high temperature in April: 51.6°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in April: 30.6°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).
Average pressure in April
Kettle Falls, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in April
Kettle Falls, WA
- Average wind speed in April: 3.9mph
The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).
Average humidity in April
Kettle Falls, WA
- Average humidity in April: 74%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in April
Kettle Falls, WA
- Average rainfall in April: 1.46"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in April
Kettle Falls, WA
- Average rainfall days in April: 17.8 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
Kettle Falls, WA
- Average snowfall in April: 0.43"
The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Kettle Falls, WA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Kettle Falls, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 9h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Kettle Falls, WA
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).
Average UV index in April
Kettle Falls, 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, November and December (UV index 1).
Average cloud cover in April
Kettle Falls, WA
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in April
Kettle Falls, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Kettle Falls, Washington, USA
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