August weather forecast
Garryowen, MT

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Weather in August

The last month of the summer, August, is another warm month in Garryowen, Montana, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 85.1°F (29.5°C).

Temperature

Garryowen's average high-temperature in August is a warm 85.1°F (29.5°C), indicating a subtle variation from July. Nighttime temperatures in Garryowen, Montana, exhibit a substantial dip from daytime highs during August, averaging at a refreshing 62.2°F (16.8°C).

Humidity

The least humid month is August, with an average relative humidity of 38%.

Rainfall

The month with the least rainfall in Garryowen is August, when the rain falls for 7.5 days and typically collects 0.63" (16mm) of precipitation.

Snowfall

June through August are months without snowfall in Garryowen.

Daylight

The average length of the day in August is 14h and 3min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:48 pm MDT.

Sunshine

In Garryowen, Montana, the average sunshine in August is 11.8h.

UV index

In Garryowen, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: In August, the maximum UV index of 6 suggests this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

How hot does it get in Garryowen in August?

August temperatures in Garryowen vary between a high-temperature of 85.1°F (29.5°C) and a low-temperature of 62.2°F (16.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is computed to be 87.8°F (31°C).

What is the least humid month in Garryowen?

The least humid month in Garryowen, Montana, is August, with an average relative humidity of 38%.

What is the average humidity in August in Garryowen?

In Garryowen, the average relative humidity in August is 38%.

What is the driest month in Garryowen?

August is the month with the least rainfall in Garryowen, Montana. Rain falls for 7.5 days and accumulates 0.63" (16mm) of precipitation.

How much does it rain in Garryowen in August?

In Garryowen, Montana, during August, the rain falls for 7.5 days and regularly aggregates up to 0.63" (16mm) of precipitation.

When it does not snow in Garryowen?

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

Does it snow in Garryowen in August?

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

What is the average length of the day in August in Garryowen?

In August, the average day length in Garryowen, Montana, is 14h and 3min.

When are sunrise and sunset in August in Garryowen?

On the first day of August in Garryowen, Montana, sunrise is at 5:54 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:48 pm MDT.

How many hours of sunshine does Garryowen have in August?

In August, the average sunshine duration in Garryowen is 11.8h.

What is the UV index reading in August in Garryowen?

The average daily maximum UV index in August in Garryowen, Montana, is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
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
Garryowen, MT

Average temperature in August - Garryowen, MT
  • Average high temperature in August: 85.1°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in August
Garryowen, MT

Average pressure in August - Garryowen, MT
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in August
Garryowen, MT

Average wind speed in August - Garryowen, MT
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in August
Garryowen, MT

Average humidity in August - Garryowen, MT
  • Average humidity in August: 38%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in August
Garryowen, MT

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

The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is August (0.63").

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Average rainfall days in August
Garryowen, MT

Average rainfall days in August - Garryowen, MT
  • Average rainfall days in August: 7.5 days

The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is December (5.9 days).

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Average snowfall in August
Garryowen, MT

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

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Garryowen, MT

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

The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Garryowen, MT
  • Average daylight in August: 14h and 1min

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

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

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Average sunshine days in August
Garryowen, MT

Average sunshine days in August - Garryowen, MT
  • Average sunshine days in August: 20.7 days

The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (13.3 days).

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Average UV index in August
Garryowen, MT

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in August
Garryowen, MT

Average cloud cover in August - Garryowen, MT
  • Average cloud cover in August: 14

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 13).

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Average visibility in August
Garryowen, MT

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

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

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Garryowen, Montana, USA

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