April weather forecastHeart Butte, MT
April
Weather in April
April is a chilly spring month in Heart Butte, Montana, with an average temperature ranging between min 34°F (1.1°C) and max 49.6°F (9.8°C).Temperature
April's onset brings a rise in the average high-temperature, moving from a cold 39°F (3.9°C) in March to a chilly 49.6°F (9.8°C). Throughout April, the temperature in Heart Butte falls to an average low of 34°F (1.1°C).Humidity
In April, the average relative humidity is 62%.Rainfall
In April, the rain falls for 8.3 days. Throughout April, 0.94" (24mm) of precipitation is accumulated. In Heart Butte, during the entire year, the rain falls for 70.4 days and collects up to 8.46" (215mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Heart Butte, in April, during 5 snowfall days, 2.44" (62mm) of snow is typically accumulated. In Heart Butte, during the entire year, snow falls for 54.3 days and aggregates up to 19.49" (495mm) of snow.Daylight
In April, the average length of the day in Heart Butte is 13h and 43min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:02 pm. On the last day of April, sunrise is at 6:12 am and sunset at 8:44 pm MDT.
Sunshine
In Heart Butte, Montana, the average sunshine in April is 9.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 3 in April suggests the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Heart Butte, MT
- Average high temperature in April: 49.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in April: 34°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).
Average pressure in April
Heart Butte, MT
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Heart Butte, MT
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).
Average humidity in April
Heart Butte, MT
- Average humidity in April: 62%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).
Average rainfall in April
Heart Butte, MT
- Average rainfall in April: 0.94"
The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Heart Butte, MT
- Average rainfall days in April: 8.3 days
The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in April
Heart Butte, MT
- Average snowfall in April: 2.44"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Heart Butte, MT
- Average snowfall days in April: 5 days
The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Heart Butte, MT
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 9h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in April
Heart Butte, MT
- Average sunshine days in April: 17.4 days
The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).
Average UV index in April
Heart Butte, 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
Heart Butte, MT
- Average cloud cover in April: 37
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in April
Heart Butte, 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).
