July weather forecast
Heart Butte, MT

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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).

Temperature

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).

Humidity

In July, the average relative humidity is 47%.

Rainfall

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

Snowfall

June through August are months without snowfall.

Daylight

In Heart Butte, Montana, the average length of the day in July 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

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

UV index

July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What are the warmest months in Heart Butte?

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 are July temperatures?

In July, the average high-temperature and low-temperature are 78.8°F (26°C) and 54.5°F (12.5°C) respectively.

What is the average humidity in July?

In July, the average relative humidity is 47%.

What is the driest month?

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

How much does it rain in July?

In Heart Butte, in July, during 5.8 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

When it does not snow in Heart Butte?

June through August are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 15h and 37min.

When is the sunrise / sunset in July?

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?

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

How long on average sun shines in July?

In July, the average sunshine duration in Heart Butte is 12h.

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 UV index reading in July?

In Heart Butte, Montana, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Heart Butte, Montana, USA

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