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
Great Falls in April sees a temperature change, with average high-temperatures moving from a chilly 43.3°F (6.3°C) in March to a cool 52.3°F (11.3°C). Great Falls experiences an average low-temperature of 34.9°F (1.6°C) in month of April.Humidity
In Great Falls, the average relative humidity in April is 61%.Rainfall
In Great Falls, in April, it is raining for 9.9 days, with typically 0.55" (14mm) of accumulated precipitation. In Great Falls, during the entire year, the rain falls for 68.2 days and collects up to 4.49" (114mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Great Falls. In Great Falls, in April, during 4.4 snowfall days, 1.42" (36mm) of snow is typically accumulated. Throughout the year, there are 45.4 snowfall days, and 11.61" (295mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 40min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:55 pm. On the last day of April, sunrise is at 6:08 am and sunset at 8:36 pm MDT.
Sunshine
In Great Falls, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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 many days does it snow in April?
How many hours of daylight does Great Falls have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Great Falls have in April?
How high is the UV index in April?
Average temperature in April
Great Falls, MT
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (30°F).
- Average low temperature in April: 34.9°F
The month with the highest average low temperature is August (57.7°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).
Average pressure in April
Great Falls, MT
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Great Falls, MT
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.7mph).
Average humidity in April
Great Falls, MT
- Average humidity in April: 61%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).
Average rainfall in April
Great Falls, MT
- Average rainfall in April: 0.55"
The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is December (0.16").
Average rainfall days in April
Great Falls, MT
- Average rainfall days in April: 9.9 days
The month with the highest number of rainy days is April (9.9 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in April
Great Falls, MT
- Average snowfall in April: 1.42"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Great Falls, MT
- Average snowfall days in April: 4.4 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Great Falls, MT
- 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 July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in April
Great Falls, MT
- Average sunshine days in April: 16.2 days
The month with the most sunshine days is July (26.1 days).
The months with the least sunshine days are February and April (16.2 days).
Average UV index in April
Great Falls, MT
- 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
Great Falls, MT
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in April
Great Falls, MT
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Great Falls, Montana, USA
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