July weather forecast
Eureka, MT

Weather in July

July is a moderately hot summer month in Eureka, Montana, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 77.4°F (25.2°C).

Temperature

July is the warmest month, with an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 44.4°F (6.9°C).

Humidity

The average relative humidity in Eureka is 56%.

Rainfall

In July, the rain falls for 7.4 days. Throughout July, 0.63" (16mm) of precipitation is accumulated. Throughout the year, in Eureka, Montana, there are 136.3 rainfall days, and 15.35" (390mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

In Eureka, the average length of the day in July is 15.7h.

Sunshine

In July, the average sunshine in Eureka is 11.6h.

UV index

July is the month with the highest UV index in Eureka, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Eureka?

With an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 44.4°F (6.9°C), July is the warmest month in Eureka.

What is the average humidity in July in Eureka?

In Eureka, Montana, the average relative humidity in July is 56%.

How much does it rain in Eureka in July?

In Eureka, in July, it is raining for 7.4 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow in Eureka?

June through August are months without snowfall.

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

In Eureka, the average length of the day in July is 15.7h.

How long on average sun shines in July in Eureka?

In Eureka, the average sunshine in July is 11.6h.

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

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

What is the UV index reading in July in Eureka?

The average daily maximum UV index in July in Eureka is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in July
Eureka, MT

Average temperature in July - Eureka, MT
  • Average high temperature in July: 77.4°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in July: 44.4°F

The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in July
Eureka, MT

Average pressure in July - Eureka, MT
  • Average pressure in July: 29.94"

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

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Average wind speed in July
Eureka, MT

Average wind speed in July - Eureka, MT
  • Average wind speed in July: 4.2mph

The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

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Average humidity in July
Eureka, MT

Average humidity in July - Eureka, MT
  • Average humidity in July: 56%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in July
Eureka, MT

Average rainfall in July - Eureka, MT
  • Average rainfall in July: 0.63"

The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").

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Average rainfall days in July
Eureka, MT

Average rainfall days in July - Eureka, MT
  • Average rainfall days in July: 7.4 days

The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in July
Eureka, MT

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

The month with the highest snowfall is February (10").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in July
Eureka, MT

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

The month with the highest number of snowfall days is December (22.1 days).
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
Eureka, MT

Average daylight in July / Average sunshine in July - Eureka, MT
  • Average daylight in July: 15.7h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in July: 11.6h

The month with the most sunshine is August (Average sunshine: 11.7h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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Average sunshine days in July
Eureka, MT

Average sunshine days in July - Eureka, MT
  • Average sunshine days in July: 21 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).

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Average UV index in July
Eureka, MT

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

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Average cloud cover in July
Eureka, MT

Average cloud cover in July - Eureka, MT
  • Average cloud cover in July: 17

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in July
Eureka, MT

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

Months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

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