July weather forecast
Dayton, MT

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Weather in July

July is a warm summer month in Dayton, Montana, with an average temperature ranging between min 48.4°F (9.1°C) and max 79.3°F (26.3°C).

Temperature

July, characterized by an average high temperature of 79.3°F (26.3°C) and a low temperature of 48.4°F (9.1°C), is generally the warmest month.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 52%.

Rainfall

July is the month with the least rainfall in Dayton, Montana. Rain falls for 8 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

July and August are months without snowfall in Dayton.

Daylight

In Dayton, the average length of the day in July is 15h and 34min.
On the first day of July in Dayton, sunrise is at 5:42 am and sunset at 9:39 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 9:13 pm MDT.

Sunshine

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

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 in July translates into this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What is the warmest month in Dayton?

July is the month when Dayton sees the average highest temperatures, with a high of 79.3°F (26.3°C) and a low of 48.4°F (9.1°C).

What is the average July temperature in Dayton?

The average high-temperature, in July, in Dayton, is 79.3°F (26.3°C), while the average low-temperature is 48.4°F (9.1°C).

What are the least humid months in Dayton?

July and August, with an average relative humidity of 52%, are the least humid months in Dayton, Montana.

What is the average humidity in July in Dayton?

In July, the average relative humidity is 52%.

What is the driest month in Dayton?

July is the month with the least rainfall in Dayton, Montana. Rain falls for 8 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain in July in Dayton?

In Dayton, Montana, in July, it is raining for 8 days, with typically 0.59" (15mm) of accumulated precipitation.

When it does not snow in Dayton?

July and August are months without snowfall in Dayton, Montana.

Does it snow in Dayton in July?

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

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

In Dayton, Montana, the average day length in July is 15h and 34min.

When is the sunrise / sunset in July in Dayton?

On the first day of July in Dayton, Montana, sunrise is at 5:42 am and sunset at 9:39 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 9:13 pm MDT.

What month has the most sunshine in Dayton?

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

How many hours of sunshine does Dayton have in July?

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

When is the highest UV index in Dayton?

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

How high is the UV index in July in Dayton?

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

Average temperature in July - Dayton, MT
  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in July: 48.4°F

The month with the highest average low temperature is July (48.4°F).
The coldest months (with the lowest average low temperature) are January and December (16.2°F).

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Average pressure in July
Dayton, MT

Average pressure in July - Dayton, MT
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in July
Dayton, MT

Average wind speed in July - Dayton, MT
  • Average wind speed in July: 3.9mph

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are August and December (3.6mph).

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Average humidity in July
Dayton, MT

Average humidity in July - Dayton, MT
  • Average humidity in July: 52%

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (52%).

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Average rainfall in July
Dayton, MT

Average rainfall in July - Dayton, MT
  • Average rainfall in July: 0.59"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is July (0.59").

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Average rainfall days in July
Dayton, MT

Average rainfall days in July - Dayton, MT
  • Average rainfall days in July: 8 days

The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is December (6.5 days).

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Average snowfall in July
Dayton, MT

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

The month with the highest snowfall is December (12.36").
The months with the least snowfall are July and August (0").

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Average snowfall days in July
Dayton, MT

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

The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • 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 January (Average sunshine: 3h and 30min).

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Average sunshine days in July
Dayton, MT

Average sunshine days in July - Dayton, MT
  • Average sunshine days in July: 20.8 days

The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (7.1 days).

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Average UV index in July
Dayton, MT

Average UV index in July - Dayton, 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, November and December (UV index 1).

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Average cloud cover in July
Dayton, MT

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

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in July
Dayton, MT

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

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Dayton, Montana, USA

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