Great Falls
Montana, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Great Falls, MT

A far view from on top of the vast Missouri River of the City of Lights, Great Falls, Montana, a dusk sky, mirror images in the water
A far view from on top of the vast Missouri River of the City of Lights, Great Falls, Montana, a dusk sky, mirror images in the water
July in Great Falls, Montana, is a moderately hot summer month, with average temperature ranging between min 51.4°F (10.8°C) and max 83.5°F (28.6°C).

Temperature

July is the warmest month, with an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 51.4°F (10.8°C).

Rainfall

In July, the rain falls for 7.5 days. Throughout July, 1.5" (38.1mm) of precipitation is accumulated. In Great Falls, during the entire year, the rain falls for 99.9 days and collects up to 14.8" (374.8mm) of precipitation.

Snowfall

In July, it doesn't snow. June is the latest month when it typically snows. Throughout the year, in Great Falls, 63.5" (1612.8mm) of snow is accumulated.

Daylight

The average length of the day in Great Falls is 15.5h.

Sunshine

July has the most sunshine of the year, with an average of 12.2h of sunshine.

UV index

Months with the highest UV index in Great Falls, Montana, are June and July, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
In July, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the warmest month in Great Falls?

The warmest month in Great Falls is July, with an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 51.4°F (10.8°C).

What is the temperature in July in Great Falls?

The average high-temperature, in July, in Great Falls, Montana, is 83.5°F (28.6°C), while the average low-temperature is 51.4°F (10.8°C).

How many days does it rain in July in Great Falls?

In Great Falls, Montana, in July, it is raining for 7.5 days, with typically 1.5" (38.1mm) of accumulated precipitation.

Does it snow in Great Falls in July?

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

What is the average length of the day in July in Great Falls?

The average length of the day in July is 15.5h.

What month has the most sunshine in Great Falls?

With an average of 12.2h of sunshine, July has the most sunshine of the year in Great Falls.

How many hours of sunshine does Great Falls have in July?

In July, the average sunshine in Great Falls is 12.2h.

When is the highest UV index in Great Falls?

Months with the highest UV index are June and July, with an average maximum UV index of 8.

What is the UV index reading in July in Great Falls?

In July, the average daily maximum UV index in Great Falls is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in July - Great Falls, MT
  • Average high temperature in July: 83.4°F

The warmest month (with the highest average high temperature) is July (83.4°F).
The month with the lowest average high temperature is December (34.6°F).

  • Average low temperature in July: 51.4°F

The month with the highest average low temperature is July (51.4°F).
Coldest months (with the lowest average low temperature) are January and December (14.9°F).

Average rainfall in July - Great Falls, MT
  • Average rainfall in July: 1.5"

The wettest month (with the highest rainfall) is June (2.5").
Driest months (with the lowest rainfall) are January and February (0.5").

Average rainfall days in July - Great Falls, MT
  • Average rainfall days in July: 7.5 days

Months with the highest number of rainy days are May and June (11.7 days).
The month with the lowest number of rainy days is October (6.6 days).

Average snowfall in July - Great Falls, MT
  • Average snowfall in July: 0"

The month with the highest snowfall is March (11.9").
The month with the lowest snowfall is July (0").

Average snowfall days in July - Great Falls, MT
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is March (7.8 days).
The month with the lowest number of snowfall days is July (0 days).

Average daylight in July / Average sunshine in July - Great Falls, MT
  • Average daylight in July: 15.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with shortest days is December (Average daylight: 8.5h).

  • Average sunshine in July: 12.2h

The month with most sunshine is July (Average sunshine: 12.2h).
The month with least sunshine is December (Average sunshine: 3.4h).

Average UV index in July - Great Falls, MT
  • Average UV index in July: 8

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).