July weather forecast
Columbus, MT

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Weather in July

In July, Columbus, Montana, experiences the peak of summer, with a shift from the traditional weather conditions of June. Notably, the month hosts the highest recorded temperature at a peak of 82.6°F (28.1°C), making it the warmest month of the year. Evenings are often filled with surreal sunsets, lending an air of beauty to the overall scenery. High pressure sustains clear skies, although sporadic showers cannot be ruled out. The long days and short nights characterize the summer solstice of July.

Temperature

Columbus's warmest weather arrives in July, when temperatures average a high of 82.6°F (28.1°C) and a low of 57°F (13.9°C).

Heat index

The average heat index in July is evaluated at 82.4°F (28°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Columbus, Montana, in July, during 8.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Columbus, Montana, during the entire year, the rain falls for 125.4 days and collects up to 14.49" (368mm) of precipitation.

Snowfall

June through August are months without snowfall in Columbus.

Daylight

In July, the average length of the day in Columbus is 15h and 17min.
On the first day of the month, sunrise is at 5:32 am and sunset at 9:09 pm. On the last day of July, sunrise is at 6:00 am and sunset at 8:46 pm MDT.

Sunshine

July has the most sunshine of the year in Columbus, with an average of 12h of sunshine.

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 in July translates into these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

July, having an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 57°F (13.9°C), is the warmest month.

Is it hot during July?

Columbus in July has an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 57°F (13.9°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 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 July, the rain falls for 8.8 days. Throughout July, 0.75" (19mm) of precipitation is accumulated.

When it does not snow?

June through August are months without snowfall.

How many hours of daylight does Columbus have in July?

In Columbus, the average day length in July is 15h and 17min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:32 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:46 pm MDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 12h of sunshine.

How long on average sun shines in July in Columbus?

In July, the average sunshine duration is 12h.

When is the highest UV index?

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

How high is the UV index in July?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Columbus, MT

Average temperature in July - Columbus, MT
  • Average high temperature in July: 82.6°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (30.9°F).

  • Average low temperature in July: 57°F

The month with the highest average low temperature is August (57.2°F).
The coldest month (with the lowest average low temperature) is February (17.4°F).

Average pressure in July
Columbus, MT

Average pressure in July - Columbus, MT
  • Average pressure in July: 29.93"Hg

The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in July
Columbus, MT

Average wind speed in July - Columbus, MT
  • Average wind speed in July: 6.2mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in July
Columbus, MT

Average humidity in July - Columbus, MT
  • Average humidity in July: 44%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).

Average rainfall in July
Columbus, MT

Average rainfall in July - Columbus, MT
  • Average rainfall in July: 0.75"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in July
Columbus, MT

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

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in July
Columbus, MT

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

The month with the highest snowfall is February (7.36").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Columbus, MT

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

The month with the highest number of snowfall days is February (13.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

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

  • Average sunshine in July: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).

Average sunshine days in July
Columbus, MT

Average sunshine days in July - Columbus, MT
  • Average sunshine days in July: 17.5 days

The month with the most sunshine days is September (18.9 days).
The month with the least sunshine days is April (9.5 days).

Average UV index in July
Columbus, MT

Average UV index in July - Columbus, 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, November and December (UV index 2).

Average cloud cover in July
Columbus, MT

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

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in July
Columbus, MT

Average visibility in July - Columbus, 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).

Columbus, Montana, USA

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