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
In Waterville, stepping into April brings a temperature increase, moving up from March's chilly 43.2°F (6.2°C) to a cool 54.3°F (12.4°C). Waterville experiences an average low-temperature of 34.9°F (1.6°C) in the month of April.Humidity
The average relative humidity in April in Waterville is 64%.Rainfall
In Waterville, in April, it is raining for 10.4 days, with typically 0.63" (16mm) of accumulated precipitation. In Waterville, during the entire year, the rain falls for 99.9 days and collects up to 10.47" (266mm) of precipitation.Snowfall
Months with snowfall in Waterville are January through April, September through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, Waterville aggregates 0.51" (13mm) of snow. Throughout the year, there are 48.7 snowfall days, and 28.62" (727mm) 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 6:36 am and sunset at 7:30 pm. On the last day of April, sunrise is at 5:42 am and sunset at 8:11 pm PDT.
Sunshine
In April, the average sunshine is 10.3h.UV index
In April, the average daily maximum UV index in Waterville is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during April translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in April in Waterville?
What is the average humidity in April in Waterville?
How many days does it rain in April in Waterville?
What is the last month it snows in Waterville?
How many hours of daylight does Waterville have in April?
What time are sunrise and sunset in April in Waterville?
How many hours of sunshine does Waterville have in April?
What is the UV index intensity in April in Waterville?
Average temperature in April
Waterville, WA
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in April: 34.9°F
The month with the highest average low temperature is August (55.8°F).
The coldest months (with the lowest average low temperature) are January and December (19°F).
Average pressure in April
Waterville, WA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in April
Waterville, WA
- Average wind speed in April: 5.7mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in April
Waterville, WA
- Average humidity in April: 64%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in April
Waterville, WA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Waterville, WA
- Average rainfall days in April: 10.4 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in April
Waterville, WA
- Average snowfall in April: 0.51"
The month with the highest snowfall is December (9.06").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Waterville, WA
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Waterville, 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: 10h and 2min
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 6min).
Average sunshine days in April
Waterville, WA
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in April
Waterville, 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, October, November and December (UV index 2).
Average cloud cover in April
Waterville, WA
- Average cloud cover in April: 32
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in April
Waterville, 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).
Waterville, Washington, USA
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