July weather forecast
Marietta, MN

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Weather in July

July, like June, in Marietta, Minnesota, is another warm summer month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 81.7°F (27.6°C).

Temperature

July stands out as Marietta's warmest month, with temperatures ranging between an average high of 81.7°F (27.6°C) and a low of 62.2°F (16.8°C).

Heat index

The heat index for July is evaluated at a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In Marietta, the average relative humidity in July is 74%.

Rainfall

The month with the most rainfall is July, when the rain falls for 12.8 days and typically aggregates up to 3.35" (85mm) of precipitation.

Snowfall

In Marietta, snow does not fall in June through September.

Daylight

In Marietta, the average length of the day in July is 15h and 13min.
On the first day of July, sunrise is at 5:43 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:53 pm CDT.

Sunshine

With an average of 10.6h of sunshine, July has the most sunshine of the year.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index in Marietta. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What are the warmest months in Marietta?

July, recognised by an average high temperature of 81.7°F (27.6°C) and a low of 62.2°F (16.8°C), is Marietta's warmest month.

What is the usual temperature for Marietta in July?

July temperatures in Marietta vary between a high-temperature of 81.7°F (27.6°C) and a low-temperature of 62.2°F (16.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is evaluated at 86°F (30°C).

What is the average humidity in July in Marietta?

In July, the average relative humidity in Marietta, Minnesota, is 74%.

What is the rainiest month in Marietta?

July is the month with the most rainfall in Marietta. Rain falls for 12.8 days and accumulates 3.35" (85mm) of precipitation.

How much does it rain in Marietta in July?

In Marietta, Minnesota, during July, the rain falls for 12.8 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When it does not snow in Marietta?

June through September are months without snowfall in Marietta, Minnesota.

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

The average day length in July is 15h and 13min.

When are sunrise and sunset in July in Marietta?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:53 pm CDT.

What month has the most sunshine in Marietta?

The month with the most sunshine in Marietta is July, with an average of 10.6h of sunshine.

How many hours of sunshine does Marietta have in July?

In Marietta, the average sunshine duration in July is 10.6h.

When is the highest UV index in Marietta?

The months with the highest UV index in Marietta are June and July, with an average maximum UV index of 6.

What is the UV index intensity in July in Marietta?

In July, the average daily maximum UV index in Marietta is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Marietta, MN

Average temperature in July - Marietta, MN
  • Average high temperature in July: 81.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in July: 62.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

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Average pressure in July
Marietta, MN

Average pressure in July - Marietta, MN
  • Average pressure in July: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in July
Marietta, MN

Average wind speed in July - Marietta, MN
  • Average wind speed in July: 7.6mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in July
Marietta, MN

Average humidity in July - Marietta, MN
  • Average humidity in July: 74%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).

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Average rainfall in July
Marietta, MN

Average rainfall in July - Marietta, MN
  • Average rainfall in July: 3.35"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in July
Marietta, MN

Average rainfall days in July - Marietta, MN
  • Average rainfall days in July: 12.8 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in July
Marietta, MN

Average snowfall in July - Marietta, MN
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Marietta, MN

Average snowfall days in July - Marietta, MN
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Marietta, MN

Average daylight in July / Average sunshine in July - Marietta, MN
  • Average daylight in July: 15h and 1min

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: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in July
Marietta, MN

Average sunshine days in July - Marietta, MN
  • Average sunshine days in July: 14.7 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (12.6 days).

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Average UV index in July
Marietta, MN

Average UV index in July - Marietta, MN
  • Average UV index in July: 6

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).

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Average cloud cover in July
Marietta, MN

Average cloud cover in July - Marietta, MN
  • Average cloud cover in July: 27

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in July
Marietta, MN

Average visibility in July - Marietta, MN
  • Average visibility in July: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Marietta, Minnesota, USA

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