August weather forecast
Wagner, MT

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Weather in August

The last month of the summer, August, is also a moderately hot month in Wagner, Montana, with an average temperature varying between 62.2°F (16.8°C) and 82.2°F (27.9°C).

Temperature

August registers an average high-temperature of a still warm 82.2°F (27.9°C), slightly varied from July's 83.5°F (28.6°C). In Wagner, the average temperature during the nights of August drops to a refreshing 62.2°F (16.8°C).

Heat index

During August, the heat index is calculated to be 82.4°F (28°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The least humid month is August, with an average relative humidity of 41%.

Rainfall

In Wagner, in August, it is raining for 9.3 days, with typically 0.94" (24mm) of accumulated precipitation. In Wagner, during the entire year, the rain falls for 103.3 days and collects up to 11.85" (301mm) of precipitation.

Snowfall

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

Daylight

In Wagner, the average length of the day in August is 14h and 16min.
On the first day of August, sunrise is at 5:48 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:55 pm MDT.

Sunshine

In August, the average sunshine in Wagner is 11.6h.

UV index

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Wagner in August?

The high-temperature during August is 82.2°F (27.9°C) and the low-temperature is 62.2°F (16.8°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 82.4°F (28°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 41%.

What is the average humidity in August?

In Wagner, the average relative humidity in August is 41%.

How many days does it rain in August?

In Wagner, in August, during 9.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When it does not snow?

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

Does it snow in August?

In Wagner, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August?

In August, the average day length is 14h and 16min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:48 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:55 pm MDT.

How long on average sun shines in August?

The average sunshine duration in August is 11.6h.

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to 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 August
Wagner, MT

Average temperature in August - Wagner, MT
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The months with the lowest average high temperature are January and February (25.7°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).

Average pressure in August
Wagner, MT

Average pressure in August - Wagner, MT
  • Average pressure in August: 29.88"Hg

The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in August
Wagner, MT

Average wind speed in August - Wagner, MT
  • Average wind speed in August: 9.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).

Average humidity in August
Wagner, MT

Average humidity in August - Wagner, MT
  • Average humidity in August: 41%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (41%).

Average rainfall in August
Wagner, MT

Average rainfall in August - Wagner, MT
  • Average rainfall in August: 0.94"

The wettest months (with the highest rainfall) are May and June (1.89").
The driest months (with the least rainfall) are February and December (0.55").

Average rainfall days in August
Wagner, MT

Average rainfall days in August - Wagner, MT
  • Average rainfall days in August: 9.3 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4 days).

Average snowfall in August
Wagner, MT

Average snowfall in August - Wagner, MT
  • Average snowfall in August: 0"

The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Wagner, MT

Average snowfall days in August - Wagner, MT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Wagner, MT

Average daylight in August / Average sunshine in August - Wagner, MT
  • Average daylight in August: 14h and 2min

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 24min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Wagner, MT

Average sunshine days in August - Wagner, MT
  • Average sunshine days in August: 18.5 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (13.4 days).

Average UV index in August
Wagner, MT

Average UV index in August - Wagner, MT
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Wagner, MT

Average cloud cover in August - Wagner, MT
  • Average cloud cover in August: 17

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in August
Wagner, MT

Average visibility in August - Wagner, MT
  • Average visibility in August: 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).

Wagner, Montana, USA

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