July weather forecast
Helena, MT

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The State Capital building of Montana in Helena city, set on a beautiful natural park
The State Capital building of Montana in Helena city, set on a beautiful natural park

Weather in July

The warm trend continues into July, with the weather hitting the peak of summer. This month experiences the highest average temperature for the year, reaching up to 80.2°F (26.8°C). Celebrations of summer are in full swing, with locals and tourists indulging in a multitude of outdoor recreational activities. With the low chance of precipitation and the highest UV index of 6, it is advisable to stay protected with sunscreens and hats. Despite the warmth, the favorable conditions make Helena a summer haven for many.

Temperature

With average high temperatures of 80.2°F (26.8°C) and lows of 50.4°F (10.2°C), July is the warmest month.

Humidity

The months with the lowest humidity in Helena are July and August, with an average relative humidity of 46%.

Rainfall

In July, the rain falls for 8.8 days. Throughout July, 0.83" (21mm) of precipitation is accumulated. In Helena, during the entire year, the rain falls for 123.7 days and collects up to 12.4" (315mm) of precipitation.

Snowfall

June through August are months without snowfall in Helena, Montana.

Daylight

The average length of the day in July is 15h and 23min.
On the first day of the month, sunrise is at 5:39 am and sunset at 9:24 pm. On the last day of July, sunrise is at 6:08 am and sunset at 9:00 pm MDT.

Sunshine

The month with the most sunshine in Helena is July, with an average of 11.7h of sunshine.

UV index

July is the month with the highest UV index, 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 average individuals.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What month is the hottest in Helena?

In Helena, July records the average highest temperatures, peaking at 80.2°F (26.8°C) and reaching a low of 50.4°F (10.2°C).

What is the average July temperature in Helena?

July temperatures in Helena, Montana, vary between a high-temperature of 80.2°F (26.8°C) and a low-temperature of 50.4°F (10.2°C).

What is the least humid month in Helena?

The months with the lowest humidity are July and August, with an average relative humidity of 46%.

What is the average humidity in July in Helena?

In Helena, the average relative humidity in July is 46%.

How much does it rain in Helena in July?

In Helena, Montana, during July, the rain falls for 8.8 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When it does not snow in Helena?

In Helena, Montana, snow does not fall in June through August.

What is the average length of the day in July in Helena?

In Helena, Montana, the average day length in July is 15h and 23min.

When are sunrise and sunset in July in Helena?

In July, on the first day of the month, sunrise is at 5:39 am and sunset at 9:24 pm. On the last day of the month, in Helena, sunrise is at 6:08 am and sunset at 9:00 pm MDT.

What month has the most sunshine in Helena?

The month with the most sunshine in Helena is July, with an average of 11.7h of sunshine.

How many hours of sunshine does Helena have in July?

The average sunshine duration in July is 11.7h.

What is the month with the highest UV index in Helena?

With an average maximum UV index of 6, July is the month with the highest UV index in Helena.

How high is the UV index in July in Helena?

In Helena, Montana, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high 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
Helena, MT

Average temperature in July - Helena, MT
  • Average high temperature in July: 80.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (27.7°F).

  • Average low temperature in July: 50.4°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (14.2°F).

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Average pressure in July
Helena, MT

Average pressure in July - Helena, MT
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in July
Helena, MT

Average wind speed in July - Helena, MT
  • Average wind speed in July: 5.2mph

The windiest month (with the highest average wind speed) is November (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in July
Helena, MT

Average humidity in July - Helena, MT
  • Average humidity in July: 46%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (46%).

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Average rainfall in July
Helena, MT

Average rainfall in July - Helena, MT
  • Average rainfall in July: 0.83"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.63").

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Average rainfall days in July
Helena, MT

Average rainfall days in July - Helena, MT
  • Average rainfall days in July: 8.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7 days).

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Average snowfall in July
Helena, MT

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

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in July
Helena, MT

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

The month with the highest number of snowfall days is February (16.2 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
Helena, MT

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in July: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in July
Helena, MT

Average sunshine days in July - Helena, MT
  • Average sunshine days in July: 20.5 days

The month with the most sunshine days is July (20.5 days).
The month with the least sunshine days is April (9.8 days).

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Average UV index in July
Helena, MT

Average UV index in July - Helena, MT
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in July
Helena, MT

Average cloud cover in July - Helena, MT
  • Average cloud cover in July: 15

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in July
Helena, MT

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

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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Helena, Montana, USA

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