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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Heart Butte, Montana, is another subzero cold winter month, with temperature in the range of an average high of 28.9°F (-1.7°C) and an average low of 16.2°F (-8.8°C). January commences with an average high-temperature of a still freezing cold 28.9°F (-1.7°C), showing little deviation from December's 27.1°F (-2.7°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Heart Butte, Montana, with an average temperature ranging between min 15.6°F (-9.1°C) and max 28.8°F (-1.8°C). The onset of February notes an average high-temperature of a still freezing cold 28.8°F (-1.8°C), subtly shifted from January's 28.9°F (-1.7°C). Weather in February »
Weather in March
March, the first month of the spring in Heart Butte, is a cold month, with an average temperature ranging between min 24.8°F (-4°C) and max 39°F (3.9°C). The rise of average high-temperatures is seen in March, with an increase from a freezing cold 28.8°F (-1.8°C) in February to a cold 39°F (3.9°C). Weather in March »
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). 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). Weather in April »
Weather in May
The last month of the spring, May, is a mild month in Heart Butte, Montana, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 60.3°F (15.7°C). May's arrival brings a temperature shift, moving from a frosty 49.6°F (9.8°C) in April to a refreshing 60.3°F (15.7°C). Weather in May »
Weather in June
June, the first month of the summer in Heart Butte, is a pleasant month, with an average temperature ranging between min 48.7°F (9.3°C) and max 69.1°F (20.6°C). June's onset witnesses a minor shift in the average high-temperature, moving from a moderate 60.3°F (15.7°C) in May to an agreeable 69.1°F (20.6°C). Weather in June »
Weather in July
July is a moderately hot summer month in Heart Butte, Montana, with an average temperature fluctuating between 78.8°F (26°C) and 54.5°F (12.5°C). July is the month when Heart Butte experiences its warmest temperatures, averaging a high of 78.8°F (26°C) and a low of 54.5°F (12.5°C). Weather in July »
Weather in August
August, the last month of the summer in Heart Butte, is also a moderately hot month, with an average temperature varying between 78.1°F (25.6°C) and 55.2°F (12.9°C). The average high-temperature in August, at a still moderately hot 78.1°F (25.6°C), reveals a modest deviation from July's 78.8°F (26°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Heart Butte, Montana, with an average temperature varying between 67.6°F (19.8°C) and 48.4°F (9.1°C). Start of September brings a shift in the average high-temperature, falling from August's moderately hot 78.1°F (25.6°C) to a comfortable 67.6°F (19.8°C). Weather in September »
Weather in October
October, like September, in Heart Butte, Montana, is another fresh autumn month, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 36.1°F (2.3°C). October indicates a noticeable reduction in the average high-temperature, moving down from a refreshing 67.6°F (19.8°C) in September to a cool 51.4°F (10.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Heart Butte, Montana, with an average temperature ranging between min 24.4°F (-4.2°C) and max 38.1°F (3.4°C). The start of November involves a temperature drop, moving from a fresh 51.4°F (10.8°C) in October to a wintry 38.1°F (3.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Heart Butte, Montana, with temperature in the range of an average low of 15.3°F (-9.3°C) and an average high of 27.1°F (-2.7°C). Heart Butte's December weather, marked by an average high temperature of 27.1°F (-2.7°C) and an average low temperature of 15.3°F (-9.3°C), is the coldest in the year. Weather in December »
Updated: Aug 6, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
The most humid month is January, with an average relative humidity of 79%.
How many days does it rain?
Throughout the year, there are 70.4 rainfall days, and 8.46" (215mm) of precipitation is accumulated.
When does it snow?
January through May, September through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 54.3 snowfall days, and 19.49" (495mm) of snow is accumulated.
What is the month with the least sunshine?
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 9.7 days and accumulates 3.58" (91mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 9.3 days and typically aggregates up to 1.77" (45mm) of precipitation.
When it does not snow?
In Heart Butte, Montana, snow does not fall in June through August.
When are the longest days?
June has the longest days of the year, with an average of 16h and 0min of daylight.
What are the warmest months?
July brings the highest temperatures, with an average high of 78.8°F (26°C) and an average low of 54.5°F (12.5°C).
What is the driest month in Heart Butte?
July is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.31" (8mm) of precipitation.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12h of sunshine.
When is the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the least humid month?
With an average relative humidity of 43%, August is the least humid month.
What is the coldest month?
December brings the lowest temperatures, with an average high of 27.1°F (-2.7°C) and an average low of 15.3°F (-9.3°C).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 8h and 24min of daylight.
Average temperature
Heart Butte, MT
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).
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
Heart Butte, MT
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.12"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
Heart Butte, MT
- Average wind speed in January:
11.8mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.6mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.9mph - Average wind speed in June:
9.9mph
- Average wind speed in July:
8.8mph - Average wind speed in August:
8.8mph - Average wind speed in September:
9.5mph - Average wind speed in October:
10.9mph - Average wind speed in November:
11.4mph - Average wind speed in December:
11.4mph
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
Heart Butte, MT
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Heart Butte, MT
- Average rainfall in January:
0.35" - Average rainfall in February:
0.47" - Average rainfall in March:
0.55" - Average rainfall in April:
0.94" - Average rainfall in May:
1.3" - Average rainfall in June:
1.77"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.47" - Average rainfall in September:
0.71" - Average rainfall in October:
0.63" - Average rainfall in November:
0.51" - Average rainfall in December:
0.43"
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
Heart Butte, MT
- Average rainfall days in January:
3.9 days - Average rainfall days in February:
3.2 days - Average rainfall days in March:
5.1 days - Average rainfall days in April:
8.3 days - Average rainfall days in May:
10.4 days - Average rainfall days in June:
9.3 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
5.8 days - Average rainfall days in September:
6.2 days - Average rainfall days in October:
6.3 days - Average rainfall days in November:
2.6 days - Average rainfall days in December:
3.5 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
Heart Butte, MT
- Average snowfall in January:
2.28" - Average snowfall in February:
3.58" - Average snowfall in March:
2.05" - Average snowfall in April:
2.44" - Average snowfall in May:
0.79" - Average snowfall in June:
0"
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
Heart Butte, MT
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
7.9 days - Average snowfall days in April:
5 days - Average snowfall days in May:
1.3 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.8 days - Average snowfall days in October:
4 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
10.2 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 / Average sunshine
Heart Butte, MT
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
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 January:
5h and 4min - Average sunshine in February:
5h and 5min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 2min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 2min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 4min
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
Heart Butte, MT
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
17.7 days - Average sunshine days in March:
19.5 days - Average sunshine days in April:
17.4 days - Average sunshine days in May:
17.8 days - Average sunshine days in June:
19.1 days
- Average sunshine days in July:
23.5 days - Average sunshine days in August:
23.3 days - Average sunshine days in September:
22.4 days - Average sunshine days in October:
21.3 days - Average sunshine days in November:
21.6 days - Average sunshine days in December:
19.5 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
Heart Butte, MT
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
Heart Butte, MT
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
Heart Butte, MT
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).
Heart Butte, Montana, USA
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