July weather forecast
Saint Johns, MT

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Weather in July

July in Saint Johns, Montana, is a moderately hot summer month, with an average temperature fluctuating between 82.8°F (28.2°C) and 60.4°F (15.8°C).

Temperature

In Saint Johns, July records the highest average temperatures, peaking at 82.8°F (28.2°C) and reaching a low of 60.4°F (15.8°C).

Heat index

July's average heat index is calculated to be 82.4°F (28°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In Saint Johns, the average relative humidity in July is 43%.

Rainfall

In Saint Johns, Montana, in July, it is raining for 9.2 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 98.7 rainfall days, and 8.23" (209mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

In Saint Johns, the average length of the day in July is 15h and 41min.
On the first day of the month, sunrise is at 5:21 am and sunset at 9:26 pm. On the last day of July, in Saint Johns, sunrise is at 5:53 am and sunset at 8:59 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 of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 6 in July transforms into this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

What month is the hottest?

Saint Johns's warmest month, July, registers temperatures that range from a high of 82.8°F (28.2°C) to a low of 60.4°F (15.8°C).

How hot does it get in July?

In July, in Saint Johns, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 60.4°F (15.8°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 82.4°F (28°C).

What is the average humidity in July?

In July, the average relative humidity is 43%.

How many days does it rain in July in Saint Johns?

In July, the rain falls for 9.2 days. Throughout July, 0.79" (20mm) of precipitation is accumulated.

When it does not snow?

In Saint Johns, snow does not fall in June through August.

What is the average length of the day in July?

In July, the average day length is 15h and 41min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:21 am and sunset at 9:26 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:59 pm MDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 12h of sunshine.

How many hours of sunshine does Saint Johns have in July?

In Saint Johns, the average sunshine duration in July is 12h.

What is the month with the highest UV index in Saint Johns?

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

How high is the UV index in July?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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 Johns, MT

Average temperature in July - Saint Johns, MT
  • Average high temperature in July: 82.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The months with the lowest average high temperature are January and December (27.1°F).

  • Average low temperature in July: 60.4°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).

Average pressure in July
Saint Johns, MT

Average pressure in July - Saint Johns, MT
  • Average pressure in July: 29.89"Hg

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in July
Saint Johns, MT

Average wind speed in July - Saint Johns, MT
  • Average wind speed in July: 8.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in July
Saint Johns, MT

Average humidity in July - Saint Johns, MT
  • Average humidity in July: 43%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (40%).

Average rainfall in July
Saint Johns, MT

Average rainfall in July - Saint Johns, MT
  • Average rainfall in July: 0.79"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is December (0.31").

Average rainfall days in July
Saint Johns, MT

Average rainfall days in July - Saint Johns, MT
  • Average rainfall days in July: 9.2 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (4 days).

Average snowfall in July
Saint Johns, MT

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

The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Saint Johns, MT

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

The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Saint Johns, MT
  • Average daylight in July: 15h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in July: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in July
Saint Johns, MT

Average sunshine days in July - Saint Johns, MT
  • Average sunshine days in July: 19.6 days

The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is April (12.8 days).

Average UV index in July
Saint Johns, MT

Average UV index in July - Saint Johns, 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
Saint Johns, MT

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

The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in July
Saint Johns, MT

Average visibility in July - Saint Johns, 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 Johns, Montana, USA

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