July weather forecast and climate
Roberts, MT

July is a moderately hot summer month in Roberts, Montana, with average temperature varying between 57.2°F (14°C) and 82.9°F (28.3°C).

Temperature

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 57.2°F (14°C), July is the warmest month.

Heat index

The average heat index in July is calculated to 82.8°F (28.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, pregnancy), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in Roberts is 44%.

Rainfall

In Roberts, Montana, it is raining for 9.4 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 108.1 rainfall days, and 12.83" (326mm) of precipitation is accumulated.

Snowfall

July and August are months without snowfall.

Daylight

In Roberts, Montana, the average length of the day is 15.2h.

Sunshine

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

UV index

The month with the highest UV index in Roberts is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the warmest month in Roberts?

July is the warmest month, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 57.2°F (14°C).

What is the temperature in July in Roberts?

In July, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 57.2°F (14°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, is calculated to 82.8°F (28.2°C).

What is the average humidity in July in Roberts?

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

How many days does it rain in July in Roberts?

In Roberts, in July, it is raining for 9.4 days, with typically 0.83" (21mm) of accumulated precipitation.

Does it snow in Roberts in July?

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

When it does not snow in Roberts?

July and August are months without snowfall in Roberts.

How many hours of daylight does Roberts have in July?

In July, the average length of the day is 15.2h.

What month has the most sunshine in Roberts?

July has the most sunshine of the year, with an average of 11.9h of sunshine.

How long on average sun shines in July in Roberts?

In Roberts, Montana, the average sunshine in July is 11.9h.

What is the month with the highest UV index in Roberts?

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

What is the UV index intensity in July in Roberts?

In Roberts, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.
Average temperature in July - Roberts, MT
  • Average high temperature in July: 28.3°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is December (-0.7°C).

  • Average low temperature in July: 14°C

Months with the highest average low temperature are July and August (14°C).
The coldest month (with the lowest average low temperature) is February (-8.5°C).

Average pressure in July - Roberts, MT
  • Average pressure in July: 1013.7mbar

The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is June (1011.9mbar).

Average wind speed in July - Roberts, MT
  • Average wind speed in July: 9.8km/h

The windiest month (with the highest average wind speed) is January (14km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in July - Roberts, 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 - Roberts, MT
  • Average rainfall in July: 21mm

The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is January (13mm).

Average rainfall days in July - Roberts, MT
  • Average rainfall days in July: 9.4 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4 days).

Average snowfall in July - Roberts, MT
  • Average snowfall in July: 0mm

The month with the highest snowfall is February (173mm).
Months with the least snowfall are July and August (0mm).

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

The month with the highest number of snowfall days is February (10.8 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in July / Average sunshine in July - Roberts, MT
  • Average daylight in July: 15.2h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in July: 11.9h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 6.2h).

Average sunshine days in July - Roberts, MT
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in July - Roberts, MT
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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

The month with the most cloud cover is February (Cloud cover 38).
Months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in July - Roberts, MT
  • Average visibility in July: 10km

Months with the highest visibility are June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, May, November and December (9km).