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
As April arrives, Great Falls's weather shows an increase in high-temperatures, moving from March's cool 52.5°F (11.4°C) to a refreshing 64.9°F (18.3°C). Great Falls experiences a mean low-temperature of 45.9°F (7.7°C) during April.Humidity
In April, the average relative humidity in Great Falls is 71%.Rainfall
In Great Falls, during April, the rain falls for 14.8 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Great Falls, during the entire year, the rain falls for 152.8 days and collects up to 27.64" (702mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Great Falls. April is the last month it regularly snows in Great Falls. During 0.1 snowfall days, in April, Great Falls aggregates 0.04" (1mm) of snow. Throughout the year, there are 13.9 snowfall days, and 7.2" (183mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 15min.On the first day of April, sunrise is at 6:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:01 pm EDT.
Sunshine
In April, the average sunshine is 8.8h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, a daily maximum UV index of 4 leads to the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What are April temperatures in Great Falls?
What is the average humidity in April in Great Falls?
How many days does it rain in April in Great Falls?
What is the last month it snows in Great Falls?
How many hours of daylight does Great Falls have in April?
What time are sunrise and sunset in April in Great Falls?
How many hours of sunshine does Great Falls have in April?
How high is the UV index in April in Great Falls?
Average temperature in April
Great Falls, VA
- Average high temperature in April: 64.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in April
Great Falls, VA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Great Falls, VA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Great Falls, VA
- Average humidity in April: 71%
The months with the highest relative humidity are October and December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in April
Great Falls, VA
- Average rainfall in April: 2.24"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in April
Great Falls, VA
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in April
Great Falls, VA
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Great Falls, VA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.6 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
Great Falls, VA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 0min).
Average sunshine days in April
Great Falls, VA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in April
Great Falls, VA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Great Falls, VA
- Average cloud cover in April: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Great Falls, VA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Great Falls, Virginia, USA
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