July weather forecast
Missoula, MT

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The scenic area surrounding the iconic Higgins Street Bridge in Missoula, Montana
The scenic area surrounding the iconic Higgins Street Bridge in Missoula, Montana

Weather in July

July typically represents the height of summer in Missoula, presenting the highest temperatures experienced throughout the year. However, in comparison to August, July reveals a slightly higher cloud percentage and lower sunshine hours and days. In sharp contrast to the preceding winter and spring months, snowfall becomes non-existent while rainfall drops to its lowest point of 0.16" (4mm). Moreover, the month displays a significantly lower relative humidity, marking a shift from the moist conditions witnessed earlier in the year. Temperatures soar, ranging from 46.4°F (8°C) to the year's highest of 80.2°F (26.8°C).

Temperature

July registers as the month with the highest average temperatures, reaching 80.2°F (26.8°C) at its peak and 46.4°F (8°C) at the lowest.

Humidity

With an average relative humidity of 50%, July is the least humid month in Missoula.

Rainfall

July and December are months with the least rain when the rain falls for 3.5 days and typically aggregates up to 0.16" (4mm) of rain.

Snowfall

June through August are months without snowfall.

Daylight

In Missoula, Montana, the average length of the day in July is 15h and 26min.
On the first day of July in Missoula, Montana, sunrise is at 5:46 am and sunset at 9:34 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 9:09 pm MDT.

Sunshine

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

UV index

July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In July, the UV index of 6 transforms into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Missoula?

With average temperatures fluctuating between a high of 80.2°F (26.8°C) and a low of 46.4°F (8°C), July stands out as the warmest month in Missoula, Montana.

What are the temperatures in Missoula in July?

The average high-temperature and low-temperature in Missoula during July are 80.2°F (26.8°C) and 46.4°F (8°C) respectively.

What is the least humid month in Missoula?

The least humid month is July, with an average relative humidity of 50%.

What is the average humidity in July in Missoula?

In Missoula, Montana, the average relative humidity in July is 50%.

What is the driest month in Missoula?

The months with the least rainfall in Missoula are July and December Rain falls for 3.5 days and accumulates 0.16" (4mm) of rain.

How many days does it rain in July in Missoula?

In July, in Missoula, Montana, the rain falls for 3.5 days. Throughout July, 0.16" (4mm) of precipitation is accumulated.

When it does not snow in Missoula?

In Missoula, Montana, snow does not fall in June through August.

What is the average length of the day in July in Missoula?

In July, the average day length is 15h and 26min.

When is the sunrise / sunset in July in Missoula?

On the first day of July in Missoula, sunrise is at 5:46 am and sunset at 9:34 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 9:09 pm MDT.

What month has the most sunshine in Missoula?

With an average of 11.8h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Missoula have in July?

In July, the average sunshine duration in Missoula is 11.8h.

When is the highest UV index in Missoula?

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

What is the UV index intensity in July in Missoula?

In Missoula, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk from 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
Missoula, MT

Average temperature in July - Missoula, MT
  • Average high temperature in July: 80.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).

  • Average low temperature in July: 46.4°F

The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).

Average pressure in July
Missoula, MT

Average pressure in July - Missoula, MT
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Missoula, MT

Average wind speed in July - Missoula, MT
  • Average wind speed in July: 4.3mph

The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in July
Missoula, MT

Average humidity in July - Missoula, MT
  • Average humidity in July: 50%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (50%).

Average rainfall in July
Missoula, MT

Average rainfall in July - Missoula, MT
  • Average rainfall in July: 0.16"

The wettest month (with the highest rainfall) is April (0.47").
The driest months (with the least rainfall) are July and December (0.16").

Average rainfall days in July
Missoula, MT

Average rainfall days in July - Missoula, MT
  • Average rainfall days in July: 3.5 days

The month with the highest number of rainy days is April (8.8 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in July
Missoula, MT

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

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Missoula, MT

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

The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

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

  • 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 January (Average sunshine: 4h and 54min).

Average sunshine days in July
Missoula, MT

Average sunshine days in July - Missoula, MT
  • Average sunshine days in July: 27 days

The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (17.8 days).

Average UV index in July
Missoula, MT

Average UV index in July - Missoula, 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 February and December (UV index 1).

Average cloud cover in July
Missoula, MT

Average cloud cover in July - Missoula, MT
  • Average cloud cover in July: 14

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in July
Missoula, MT

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Missoula, Montana, USA

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