July weather forecast
Tattnall, MT

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Weather in July

July, like June, in Tattnall, Montana, is a moderately hot summer month, with an average temperature fluctuating between 63.1°F (17.3°C) and 84°F (28.9°C).

Temperature

July proves to be the warmest month, recording an average peak temperature of 84°F (28.9°C) and a minimum temperature of 63.1°F (17.3°C).

Heat index

The heat index value during July is estimated at 84.2°F (29°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In July, the average relative humidity is 43%.

Rainfall

In Tattnall, in July, it is raining for 9.3 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 91.8 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Tattnall, the average length of the day in July is 15h and 40min.
On the first day of July, sunrise is at 5:12 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:48 pm MDT.

Sunshine

The month with the most sunshine in Tattnall is July, with an average of 11.7h of sunshine.

UV index

With an average maximum UV index of 7, July is the month with the highest UV index in Tattnall. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 7 during July leads to these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What are the warmest months in Tattnall?

The warmest period tends to be July, when average temperatures fluctuate between a high of 84°F (28.9°C) and a low of 63.1°F (17.3°C).

How hot is July in Tattnall?

In Tattnall, in July, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 63.1°F (17.3°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in July in Tattnall?

The average relative humidity in July in Tattnall is 43%.

How much does it rain in Tattnall in July?

In Tattnall, in July, during 9.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow in Tattnall?

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

How many hours of daylight does Tattnall have in July?

In Tattnall, Montana, the average day length in July is 15h and 40min.

When is the sunrise / sunset in July in Tattnall?

In July, on the first day of the month, sunrise is at 5:12 am and sunset at 9:16 pm. On the last day of the month, in Tattnall, Montana, sunrise is at 5:44 am and sunset at 8:48 pm MDT.

What month has the most sunshine in Tattnall?

With an average of 11.7h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Tattnall have in July?

In July, the average sunshine duration in Tattnall, Montana, is 11.7h.

When is the highest UV index in Tattnall?

With an average maximum UV index of 7, July is the month with the highest UV index in Tattnall.

How high is the UV index in July in Tattnall?

The average daily maximum UV index in July in Tattnall, Montana, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
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
Tattnall, MT

Average temperature in July - Tattnall, MT
  • Average high temperature in July: 84°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).

  • Average low temperature in July: 63.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).

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Average pressure in July
Tattnall, MT

Average pressure in July - Tattnall, MT
  • Average pressure in July: 29.88"Hg

The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in July
Tattnall, MT

Average wind speed in July - Tattnall, MT
  • Average wind speed in July: 9.9mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).

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Average humidity in July
Tattnall, MT

Average humidity in July - Tattnall, MT
  • Average humidity in July: 43%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in July
Tattnall, MT

Average rainfall in July - Tattnall, MT
  • Average rainfall in July: 0.91"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in July
Tattnall, MT

Average rainfall days in July - Tattnall, MT
  • Average rainfall days in July: 9.3 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in July
Tattnall, MT

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

The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Tattnall, MT

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

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Tattnall, MT
  • Average daylight in July: 15h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in July: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in July
Tattnall, MT

Average sunshine days in July - Tattnall, MT
  • Average sunshine days in July: 19 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).

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Average UV index in July
Tattnall, MT

Average UV index in July - Tattnall, MT
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in July
Tattnall, MT

Average cloud cover in July - Tattnall, MT
  • Average cloud cover in July: 18

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).

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Average visibility in July
Tattnall, MT

Average visibility in July - Tattnall, MT
  • 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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Tattnall, Montana, USA

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