July weather forecast
Eureka, MT

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Weather in July

July, the height of summer, showcases the warmest weather in the year with the mercury touching 77.4°F (25.2°C). From this point, Eureka's residents get to enjoy the city's manifestly sunny days complemented by a UV Index of 6. Contrary to the warmer temperatures, you'll find the least rainfall recorded, at a mere 0.63" (16mm). The balmy weather is a perfect match for a myriad of outdoor activities in the Montana wilderness. While making the most of these sunny days, locals and visitors alike should take care to protect their skin from UV exposure.

Temperature

July is the month that records the highest temperatures, with averages ranging from a high of 77.4°F (25.2°C) to a low of 44.4°F (6.9°C).

Humidity

The average relative humidity in July in Eureka is 56%.

Rainfall

In Eureka, in July, it is raining for 7.4 days, with typically 0.63" (16mm) of accumulated precipitation. In Eureka, during the entire year, the rain falls for 136.3 days and collects up to 15.35" (390mm) of precipitation.

Snowfall

In Eureka, snow does not fall in June through August.

Daylight

In July, the average length of the day is 15h and 41min.
On the first day of July in Eureka, Montana, sunrise is at 5:41 am and sunset at 9:47 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 9:19 pm MDT.

Sunshine

In July, the average sunshine is 11.6h.

UV index

The month with the highest UV index in Eureka, Montana, is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Eureka?

July, recognised by an average high temperature of 77.4°F (25.2°C) and a low of 44.4°F (6.9°C), is Eureka's warmest month.

What is the average July temperature in Eureka?

An average high-temperature, in July, in Eureka, is 77.4°F (25.2°C) and the average low-temperature is 44.4°F (6.9°C).

What is the average humidity in July in Eureka?

The average relative humidity in July is 56%.

How much does it rain in Eureka in July?

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

When it does not snow in Eureka?

In Eureka, snow does not fall in June through August.

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

In July, the average day length in Eureka is 15h and 41min.

What time are sunrise and sunset in July in Eureka?

On the first day of July in Eureka, sunrise is at 5:41 am and sunset at 9:47 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 9:19 pm MDT.

How long on average sun shines in July in Eureka?

The average sunshine duration in July in Eureka, Montana, 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.

How high is the UV index in July in Eureka?

The average daily maximum UV index in July in Eureka, Montana, is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
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).

Average pressure in July
Eureka, MT

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

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).

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%).

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").

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).

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").
The months with the least snowfall are June, July and August (0").

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).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Eureka, 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 18min).

  • Average sunshine in July: 11h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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).

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).
The months with the lowest UV index are January, February, November and December (UV index 1).

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).

Average visibility in July
Eureka, MT

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

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

Eureka, Montana, USA

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