July weather forecast
Simms, MT

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Weather in July

July in Simms, Montana, is a moderately hot summer month, with an average temperature ranging between max 82.2°F (27.9°C) and min 55.6°F (13.1°C).

Temperature

In Simms, the average temperatures in July are the highest, with a peak at 82.2°F (27.9°C) and a low of 55.6°F (13.1°C).

Heat index

The heat index value for July is appraised at 82.4°F (28°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

In Simms, the average relative humidity in July is 45%.

Rainfall

The months with the least rainfall in Simms are January and July Rain falls for 9 days and accumulates 0.63" (16mm) of rain.

Snowfall

In Simms, snow does not fall in June through August.

Daylight

The average length of the day in July is 15h and 31min.
On the first day of the month, sunrise is at 5:35 am and sunset at 9:28 pm. On the last day of July, in Simms, sunrise is at 6:05 am and sunset at 9:02 pm MDT.

Sunshine

July has the most sunshine of the year, with an average of 11.9h 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 hazard from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 6 in July leads to these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Simms?

July is the month when Simms's temperatures reach their peak, with averages of 82.2°F (27.9°C) and lows of 55.6°F (13.1°C).

What is the average July temperature in Simms?

The average high-temperature, in July, in Simms, is 82.2°F (27.9°C), while the average low-temperature is 55.6°F (13.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 82.4°F (28°C).

What is the average humidity in July in Simms?

The average relative humidity in July in Simms, Montana, is 45%.

What is the driest month in Simms?

The months with the least rainfall in Simms are January and July Rain falls for 9 days and accumulates 0.63" (16mm) of rain.

How much does it rain in Simms in July?

In July, the rain falls for 9 days. Throughout July, 0.63" (16mm) of precipitation is accumulated.

When it does not snow in Simms?

June through August are months without snowfall in Simms, Montana.

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

The average day length in July in Simms, Montana, is 15h and 31min.

What time are sunrise and sunset in July in Simms?

On the first day of July in Simms, Montana, sunrise is at 5:35 am and sunset at 9:28 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 9:02 pm MDT.

What month has the most sunshine in Simms?

The month with the most sunshine is July, with an average of 11.9h of sunshine.

How many hours of sunshine does Simms have in July?

The average sunshine duration in July in Simms, Montana, is 11.9h.

When is the highest UV index in Simms?

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

How high is the UV index in July in Simms?

The average daily maximum UV index in July in Simms, Montana, is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe 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
Simms, MT

Average temperature in July - Simms, MT
  • Average high temperature in July: 82.2°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).

  • Average low temperature in July: 55.6°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).

Average pressure in July
Simms, MT

Average pressure in July - Simms, MT
  • Average pressure in July: 29.92"Hg

The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in July
Simms, MT

Average wind speed in July - Simms, MT
  • Average wind speed in July: 7.5mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in July
Simms, MT

Average humidity in July - Simms, MT
  • Average humidity in July: 45%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).

Average rainfall in July
Simms, MT

Average rainfall in July - Simms, MT
  • Average rainfall in July: 0.63"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").

Average rainfall days in July
Simms, MT

Average rainfall days in July - Simms, MT
  • Average rainfall days in July: 9 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in July
Simms, MT

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

The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Simms, MT

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

The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in July / Average sunshine in July - Simms, MT
  • Average daylight in July: 15h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in July: 11h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

Average sunshine days in July
Simms, MT

Average sunshine days in July - Simms, MT
  • Average sunshine days in July: 17.7 days

The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).

Average UV index in July
Simms, MT

Average UV index in July - Simms, 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
Simms, MT

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

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in July
Simms, MT

Average visibility in July - Simms, 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).

Simms, Montana, USA

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