July weather forecast
Butte, MT

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Houses and old frames in an open space that is a former mine ground in Butte, Montana
Houses and old frames in an open space that is a former mine ground in Butte, Montana

Weather in July

July arrives, and summer is in full swing in Butte, Montana, with the highest average temperature of the year at 76.5°F (24.7°C). The city brings a warm welcome to visitors and locals alike with cloudless skies and extended hours of sunshine. In comparison to the previous months, July sees a substantial decrease in precipitation levels, making it the driest month of the year. Along with providing enjoyable weather conditions, July also presents its extended daylight hours as an opportunity for diverse outdoor activities. The dry spell enhances the month’s appeal, reiterating July’s reputation as one of Butte’s best months.

Temperature

July registers as the month with the highest average temperatures, reaching 76.5°F (24.7°C) at its peak and 46.9°F (8.3°C) at the lowest.

Humidity

July is the least humid month, with an average relative humidity of 48%.

Rainfall

In Butte, during July, the rain falls for 9.5 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Butte, during the entire year, the rain falls for 102.5 days and collects up to 13.74" (349mm) of precipitation.

Snowfall

In Butte, snow does not fall in July and August.

Daylight

In July, the average length of the day is 15h and 19min.
On the first day of the month, sunrise is at 5:43 am and sunset at 9:24 pm. On the last day of July, sunrise is at 6:12 am and sunset at 9:00 pm MDT.

Sunshine

The month with the most sunshine is July, with an average of 11.5h of sunshine.

UV index

July is the month with the highest UV index, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 5 in July, converts into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

With average high temperatures of 76.5°F (24.7°C) and lows of 46.9°F (8.3°C), July is the warmest month.

What is the average July temperature?

During July, Butte experiences an average high-temperature of 76.5°F (24.7°C) and a low-temperature of 46.9°F (8.3°C).

What is the least humid month?

The least humid month is July, with an average relative humidity of 48%.

What is the average humidity in July in Butte?

In Butte, the average relative humidity in July is 48%.

How much does it rain in July?

In Butte, during July, the rain falls for 9.5 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow?

In Butte, snow does not fall in July and August.

Does it snow in July?

In July, it doesn't snow. June is the latest month when it typically snows.

How many hours of daylight does Butte have in July?

The average day length in July is 15h and 19min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 9:24 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 9:00 pm MDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 11.5h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 11.5h.

When is the highest UV index?

July is the month with the highest UV index in Butte, with an average maximum UV index of 5.

What is the UV index reading in July?

In Butte, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Butte, MT

Average temperature in July - Butte, MT
  • Average high temperature in July: 76.5°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in July: 46.9°F

The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (9°F).

Average pressure in July
Butte, MT

Average pressure in July - Butte, MT
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Butte, MT

Average wind speed in July - Butte, MT
  • Average wind speed in July: 5.3mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in July
Butte, MT

Average humidity in July - Butte, MT
  • Average humidity in July: 48%

The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is July (48%).

Average rainfall in July
Butte, MT

Average rainfall in July - Butte, MT
  • Average rainfall in July: 0.79"

The wettest month (with the highest rainfall) is May (2.24").
The driest months (with the least rainfall) are January, November and December (0.67").

Average rainfall days in July
Butte, MT

Average rainfall days in July - Butte, MT
  • Average rainfall days in July: 9.5 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is November (4.1 days).

Average snowfall in July
Butte, MT

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

The month with the highest snowfall is March (8.74").
The months with the least snowfall are July and August (0").

Average snowfall days in July
Butte, MT

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

The month with the highest number of snowfall days is February (17.7 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in July / Average sunshine in July - Butte, MT
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in July: 11h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in July
Butte, MT

Average sunshine days in July - Butte, MT
  • Average sunshine days in July: 18.7 days

The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is April (9.8 days).

Average UV index in July
Butte, MT

Average UV index in July - Butte, MT
  • Average UV index in July: 5

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in July
Butte, MT

Average cloud cover in July - Butte, MT
  • Average cloud cover in July: 18

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in July
Butte, MT

Average visibility in July - Butte, MT
  • Average visibility in July: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Butte, Montana, USA

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