July weather forecast
Saint Marie, MT

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Weather in July

July, like June, in Saint Marie, Montana, is another warm summer month, with an average temperature varying between 63.3°F (17.4°C) and 83.1°F (28.4°C).

Temperature

July registers as the month with the highest average temperatures, reaching 83.1°F (28.4°C) at its peak and 63.3°F (17.4°C) at the lowest.

Heat index

In July, the average heat index is computed to be 82.4°F (28°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In Saint Marie, the average relative humidity in July is 44%.

Rainfall

In Saint Marie, in July, it is raining for 10.4 days, with typically 1.1" (28mm) of accumulated precipitation. In Saint Marie, during the entire year, the rain falls for 90.8 days and collects up to 11.1" (282mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 15h and 38min.
On the first day of July, sunrise is at 5:09 am and sunset at 9:10 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:44 pm MDT.

Sunshine

The month with the most sunshine is July, with an average of 11.8h of sunshine.

UV index

With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 7 during July, leads to the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

The warmest temperatures occur during July, when averages reach a peak of 83.1°F (28.4°C) and a low of 63.3°F (17.4°C).

How hot does it get in July?

Saint Marie in July has an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 63.3°F (17.4°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 82.4°F (28°C).

What is the average humidity in July?

In July, the average relative humidity is 44%.

How many days does it rain in July?

In Saint Marie, during July, the rain falls for 10.4 days and regularly aggregates up to 1.1" (28mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

In Saint Marie, the average day length in July is 15h and 38min.

What time are sunrise and sunset in July in Saint Marie?

On the first day of July in Saint Marie, sunrise is at 5:09 am and sunset at 9:10 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:44 pm MDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 11.8h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 11.8h.

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 7.

How high is the UV index in July?

In July, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Saint Marie, MT

Average temperature in July - Saint Marie, MT
  • Average high temperature in July: 83.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (23.7°F).

  • Average low temperature in July: 63.3°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (10.2°F).

Average pressure in July
Saint Marie, MT

Average pressure in July - Saint Marie, MT
  • Average pressure in July: 29.88"Hg

The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in July
Saint Marie, MT

Average wind speed in July - Saint Marie, MT
  • Average wind speed in July: 10.4mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).

Average humidity in July
Saint Marie, MT

Average humidity in July - Saint Marie, MT
  • Average humidity in July: 44%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).

Average rainfall in July
Saint Marie, MT

Average rainfall in July - Saint Marie, MT
  • Average rainfall in July: 1.1"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").

Average rainfall days in July
Saint Marie, MT

Average rainfall days in July - Saint Marie, MT
  • Average rainfall days in July: 10.4 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in July
Saint Marie, MT

Average snowfall in July - Saint Marie, MT
  • Average snowfall in July: 0"

The month with the highest snowfall is December (2.6").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Saint Marie, MT

Average snowfall days in July - Saint Marie, MT
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in July /
Average sunshine in July
Saint Marie, MT

Average daylight in July / Average sunshine in July - Saint Marie, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in July
Saint Marie, MT

Average sunshine days in July - Saint Marie, MT
  • Average sunshine days in July: 15.7 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

Average UV index in July
Saint Marie, MT

Average UV index in July - Saint Marie, MT
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Saint Marie, MT

Average cloud cover in July - Saint Marie, MT
  • Average cloud cover in July: 16

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in July
Saint Marie, MT

Average visibility in July - Saint Marie, 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).

Saint Marie, Montana, USA

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