July weather forecast
Marysville, MT

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Weather in July

July is a moderately hot summer month in Marysville, Montana, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 49.1°F (9.5°C).

Temperature

With an average high-temperature of 78.8°F (26°C) and an average low-temperature of 49.1°F (9.5°C), July is the warmest month.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 48%.

Rainfall

In Marysville, in July, during 8.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 106.9 rainfall days, and 13.27" (337mm) of precipitation is accumulated.

Snowfall

July and August are months without snowfall.

Daylight

In Marysville, the average length of the day in July is 15h and 25min.
On the first day of the month, sunrise is at 5:39 am and sunset at 9:26 pm. On the last day of July, sunrise is at 6:09 am and sunset at 9:01 pm MDT.

Sunshine

With an average of 11.8h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 5 in July interprets into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

Marysville's warmest month, July, registers temperatures that range from a high of 78.8°F (26°C) to a low of 49.1°F (9.5°C).

What are the temperatures in July?

An average high-temperature, in July, in Marysville, is 78.8°F (26°C) and the average low-temperature is 49.1°F (9.5°C).

What are the least humid months?

The months with the lowest humidity are July and August, with an average relative humidity of 48%.

What is the average humidity in July?

The average relative humidity in July is 48%.

How much does it rain in July?

In Marysville, during July, the rain falls for 8.8 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow?

In Marysville, snow does not fall in July and August.

Does it snow in July?

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

What is the average length of the day in July?

In Marysville, the average day length in July is 15h and 25min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:39 am and sunset at 9:26 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 9:01 pm MDT.

What month has the most sunshine in Marysville?

The month with the most sunshine is July, with an average of 11.8h of sunshine.

How many hours of sunshine does Marysville have in July?

The average sunshine duration in July is 11.8h.

What are the months with the highest UV index?

The months with the highest UV index in Marysville are June and July, with an average maximum UV index of 5.

How high is the UV index in July?

In July, the average daily maximum UV index in Marysville is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Marysville, MT

Average temperature in July - Marysville, MT
  • Average high temperature in July: 78.8°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in July: 49.1°F

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

Average pressure in July
Marysville, MT

Average pressure in July - Marysville, 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 (29.9"Hg).

Average wind speed in July
Marysville, MT

Average wind speed in July - Marysville, MT
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is November (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in July
Marysville, MT

Average humidity in July - Marysville, MT
  • Average humidity in July: 48%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (48%).

Average rainfall in July
Marysville, MT

Average rainfall in July - Marysville, MT
  • Average rainfall in July: 0.79"

The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and December (0.59").

Average rainfall days in July
Marysville, MT

Average rainfall days in July - Marysville, MT
  • Average rainfall days in July: 8.8 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in July
Marysville, MT

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

The month with the highest snowfall is February (7.13").
The months with the least snowfall are July and August (0").

Average snowfall days in July
Marysville, MT

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

The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in July / Average sunshine in July - Marysville, MT
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in July: 11h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days in July
Marysville, MT

Average sunshine days in July - Marysville, MT
  • Average sunshine days in July: 18.8 days

The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in July
Marysville, MT

Average UV index in July - Marysville, MT
  • Average UV index in July: 5

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in July
Marysville, MT

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in July
Marysville, MT

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

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

Marysville, Montana, USA

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