July weather forecast
Marion, MT

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Weather in July

July is a moderately hot summer month in Marion, Montana, with an average temperature ranging between min 48.4°F (9.1°C) and max 79.3°F (26.3°C).

Temperature

The warmest time of the year is July, with temperatures averaging a high of 79.3°F (26.3°C) and a low of 48.4°F (9.1°C).

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 52%.

Rainfall

The month with the least rainfall in Marion is July, when the rain falls for 8 days and typically collects 0.59" (15mm) of precipitation.

Snowfall

July and August are months without snowfall.

Daylight

The average length of the day in July is 15h and 35min.
On the first day of the month, sunrise is at 5:43 am and sunset at 9:42 pm. On the last day of July, in Marion, sunrise is at 6:14 am and sunset at 9:15 pm MDT.

Sunshine

With an average of 11.7h of sunshine, July has the most sunshine of the year in Marion.

UV index

July is the month with the highest UV index in Marion, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in Marion?

With average high and low temperatures of 79.3°F (26.3°C) and 48.4°F (9.1°C) respectively, July is Marion's warmest month.

What is the average July temperature in Marion?

During July, Marion experiences an average high-temperature of 79.3°F (26.3°C) and a low-temperature of 48.4°F (9.1°C).

What are the least humid months in Marion?

The months with the lowest humidity are July and August, with an average relative humidity of 52%.

What is the average humidity in July in Marion?

In Marion, Montana, the average relative humidity in July is 52%.

What is the driest month in Marion?

July is the month with the least rainfall in Marion, Montana. Rain falls for 8 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain in July in Marion?

In Marion, in July, it is raining for 8 days, with typically 0.59" (15mm) of accumulated precipitation.

When it does not snow in Marion?

July and August are months without snowfall in Marion.

Does it snow in Marion in July?

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

How many hours of daylight does Marion have in July?

In July, the average day length is 15h and 35min.

When is the sunrise / sunset in July in Marion?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 9:42 pm. On the last day of the month, in Marion, Montana, sunrise is at 6:14 am and sunset at 9:15 pm MDT.

What month has the most sunshine in Marion?

With an average of 11.7h of sunshine, July has the most sunshine of the year in Marion, Montana.

How many hours of sunshine does Marion have in July?

In Marion, Montana, the average sunshine duration in July is 11.7h.

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

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

How high is the UV index in July in Marion?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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
Marion, MT

Average temperature in July - Marion, MT
  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in July: 48.4°F

The month with the highest average low temperature is July (48.4°F).
The coldest months (with the lowest average low temperature) are January and December (16.2°F).

Average pressure in July
Marion, MT

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in July
Marion, MT

Average wind speed in July - Marion, MT
  • Average wind speed in July: 3.9mph

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are August and December (3.6mph).

Average humidity in July
Marion, MT

Average humidity in July - Marion, MT
  • Average humidity in July: 52%

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (52%).

Average rainfall in July
Marion, MT

Average rainfall in July - Marion, MT
  • Average rainfall in July: 0.59"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is July (0.59").

Average rainfall days in July
Marion, MT

Average rainfall days in July - Marion, MT
  • Average rainfall days in July: 8 days

The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is December (6.5 days).

Average snowfall in July
Marion, MT

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

The month with the highest snowfall is December (12.36").
The months with the least snowfall are July and August (0").

Average snowfall days in July
Marion, MT

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

The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in July / Average sunshine in July - Marion, 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: 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: 3h and 30min).

Average sunshine days in July
Marion, MT

Average sunshine days in July - Marion, MT
  • Average sunshine days in July: 20.8 days

The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (7.1 days).

Average UV index in July
Marion, MT

Average UV index in July - Marion, 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, November and December (UV index 1).

Average cloud cover in July
Marion, MT

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

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in July
Marion, MT

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Marion, Montana, USA

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