July weather forecast
Heart Butte, MT

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Weather in July

July in Heart Butte, Montana, is a moderately hot summer month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 54.5°F (12.5°C).

Temperature

Heart Butte's warmest month, July, registers temperatures that range from a high of 78.8°F (26°C) to a low of 54.5°F (12.5°C).

Humidity

In July, the average relative humidity is 47%.

Rainfall

July is the month with the least rainfall in Heart Butte, Montana. Rain falls for 5.8 days and accumulates 0.31" (8mm) of precipitation.

Snowfall

In Heart Butte, snow does not fall in June through August.

Daylight

In July, the average length of the day is 15h and 37min.
On the first day of the month, sunrise is at 5:35 am and sunset at 9:35 pm. On the last day of July, sunrise is at 6:06 am and sunset at 9:08 pm MDT.

Sunshine

The month with the most sunshine is July, with an average of 12h of sunshine.

UV index

The month with the highest UV index in Heart Butte is July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during July translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What part of the year is the hottest in Heart Butte?

July stands out as Heart Butte's warmest month, with temperatures ranging between an average high of 78.8°F (26°C) and a low of 54.5°F (12.5°C).

What are the temperatures in Heart Butte in July?

In Heart Butte, 78.8°F (26°C) is the average high-temperature and 54.5°F (12.5°C) is the average low-temperature during July.

What is the average humidity in July in Heart Butte?

In Heart Butte, Montana, the average relative humidity in July is 47%.

What is the driest month in Heart Butte?

July is the month with the least rainfall in Heart Butte. Rain falls for 5.8 days and accumulates 0.31" (8mm) of precipitation.

How many days does it rain in July in Heart Butte?

In July, in Heart Butte, the rain falls for 5.8 days. Throughout July, 0.31" (8mm) of precipitation is accumulated.

When it does not snow in Heart Butte?

June through August are months without snowfall.

How many hours of daylight does Heart Butte have in July?

In July, the average day length in Heart Butte, Montana, is 15h and 37min.

When is the sunrise / sunset in July in Heart Butte?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 9:35 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 9:08 pm MDT.

What month has the most sunshine in Heart Butte?

With an average of 12h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Heart Butte have in July?

The average sunshine duration in July in Heart Butte is 12h.

When is the highest UV index in Heart Butte?

The month with the highest UV index is July, with an average maximum UV index of 6.

How high is the UV index in July in Heart Butte?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Heart Butte, MT

Average temperature in July - Heart Butte, MT
  • Average high temperature in July: 78.8°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 July: 54.5°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).

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Average pressure in July
Heart Butte, MT

Average pressure in July - Heart Butte, MT
  • Average pressure in July: 29.91"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).

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Average wind speed in July
Heart Butte, MT

Average wind speed in July - Heart Butte, MT
  • Average wind speed in July: 8.8mph

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).

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Average humidity in July
Heart Butte, MT

Average humidity in July - Heart Butte, MT
  • Average humidity in July: 47%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in July
Heart Butte, MT

Average rainfall in July - Heart Butte, MT
  • Average rainfall in July: 0.31"

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in July
Heart Butte, MT

Average rainfall days in July - Heart Butte, MT
  • Average rainfall days in July: 5.8 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).

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Average snowfall in July
Heart Butte, MT

Average snowfall in July - Heart Butte, MT
  • Average snowfall in July: 0"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in July
Heart Butte, MT

Average snowfall days in July - Heart Butte, MT
  • Average snowfall days in July: 0 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).

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Average daylight in July /
Average sunshine in July
Heart Butte, MT

Average daylight in July / Average sunshine in July - Heart Butte, MT
  • Average daylight in July: 15h and 4min

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 July: 12h and 0min

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).

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Average sunshine days in July
Heart Butte, MT

Average sunshine days in July - Heart Butte, MT
  • Average sunshine days in July: 23.5 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).

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Average UV index in July
Heart Butte, MT

Average UV index in July - Heart Butte, MT
  • Average UV index in July: 6

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).

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Average cloud cover in July
Heart Butte, MT

Average cloud cover in July - Heart Butte, MT
  • Average cloud cover in July: 15

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in July
Heart Butte, MT

Average visibility in July - Heart Butte, MT
  • Average visibility in July: 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).

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Heart Butte, Montana, USA

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