August weather forecast
Augusta, MT

Weather in August

August, the last month of the summer, in Augusta, is another warm month, with average temperature ranging between max 79°F (26.1°C) and min 55.9°F (13.3°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 79°F (26.1°C). In August, the average low-temperature is 55.9°F (13.3°C).

Humidity

August is the least humid month, with an average relative humidity of 42%.

Rainfall

In Augusta, during 6.9 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Augusta, Montana, during the entire year, the rain falls for 73.3 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

In Augusta snow does not fall in June through August.

Daylight

The average length of the day in August is 14.2h.

Sunshine

The average sunshine in August is 11.5h.

UV index

In Augusta, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in August transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the least humid month in Augusta?

August is the least humid month in Augusta, with an average relative humidity of 42%.

What is the average humidity in August in Augusta?

In August, the average relative humidity in Augusta, Montana, is 42%.

How many days does it rain in August in Augusta?

In Augusta, Montana, in August, it is raining for 6.9 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow in Augusta?

In Augusta, Montana, snow does not fall in June through August.

Does it snow in Augusta in August?

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

How many hours of daylight does Augusta have in August?

In August, the average length of the day is 14.2h.

How long on average sun shines in August in Augusta?

In August, the average sunshine in Augusta, Montana, is 11.5h.

What is the UV index reading in August in Augusta?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in August
Augusta, MT

Average temperature in August - Augusta, MT
  • Average high temperature in August: 79°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).

  • Average low temperature in August: 55.9°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

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Average pressure in August
Augusta, MT

Average pressure in August - Augusta, MT
  • Average pressure in August: 29.92"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in August
Augusta, MT

Average wind speed in August - Augusta, MT
  • Average wind speed in August: 8mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average humidity in August
Augusta, MT

Average humidity in August - Augusta, MT
  • Average humidity in August: 42%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in August
Augusta, MT

Average rainfall in August - Augusta, MT
  • Average rainfall in August: 0.63"

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").

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Average rainfall days in August
Augusta, MT

Average rainfall days in August - Augusta, MT
  • Average rainfall days in August: 6.9 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in August
Augusta, MT

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

The month with the highest snowfall is February (4.17").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Augusta, MT

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

The month with the highest number of snowfall days is February (11.3 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in August / Average sunshine in August - Augusta, MT
  • Average daylight in August: 14.2h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in August: 11.5h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in August
Augusta, MT

Average sunshine days in August - Augusta, MT
  • Average sunshine days in August: 20.9 days

The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).

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Average UV index in August
Augusta, MT

Average UV index in August - Augusta, MT
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in August
Augusta, MT

Average cloud cover in August - Augusta, MT
  • Average cloud cover in August: 16

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in August
Augusta, MT

Average visibility in August - Augusta, MT
  • Average visibility in August: 6mi

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

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