April weather forecastGreenough, MT
April
Weather in April
April is a frosty spring month in Greenough, Montana, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 46.6°F (8.1°C).Temperature
With the onset of April, Greenough experiences a temperature shift, with the average high-temperature moving from an icy 37.6°F (3.1°C) in March to a frosty 46.6°F (8.1°C). During April, the nighttime temperature averages of 26.2°F (-3.2°C).Humidity
In Greenough, the average relative humidity in April is 75%.Rainfall
In Greenough, in April, during 6.8 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, in Greenough, there are 46.4 rainfall days, and 2.4" (61mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In April, it is snowing for 3.7 days. Throughout April, 1.1" (28mm) of snow is accumulated. In Greenough, during the entire year, snow falls for 31.4 days and aggregates up to 7.64" (194mm) of snow.Daylight
In April, the average length of the day is 13h and 38min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:03 pm. On the last day of April, sunrise is at 6:18 am and sunset at 8:43 pm MDT.
Sunshine
In Greenough, the average sunshine in April is 9.5h.UV index
In April, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In April, the maximum UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Greenough, MT
- Average high temperature in April: 46.6°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.1°F).
- Average low temperature in April: 26.2°F
The months with the highest average low temperature are July and August (45.5°F).
The coldest month (with the lowest average low temperature) is December (12.2°F).
Average pressure in April
Greenough, MT
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Greenough, MT
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Greenough, MT
- Average humidity in April: 75%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in April
Greenough, MT
- Average rainfall in April: 0.31"
The wettest month (with the highest rainfall) is June (0.43").
The driest month (with the least rainfall) is December (0.08").
Average rainfall days in April
Greenough, MT
- Average rainfall days in April: 6.8 days
The month with the highest number of rainy days is April (6.8 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in April
Greenough, MT
- Average snowfall in April: 1.1"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Greenough, MT
- Average snowfall days in April: 3.7 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Greenough, MT
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 9h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in April
Greenough, MT
- Average sunshine days in April: 21.9 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (21.9 days).
Average UV index in April
Greenough, MT
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Greenough, MT
- Average cloud cover in April: 39
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in April
Greenough, MT
- 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).
