August weather forecast
Garryowen, MT

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Weather in August

August, the last month of the summer in Garryowen, is also a moderately hot month, with an average temperature ranging between min 62.2°F (16.8°C) and max 85.1°F (29.5°C).

Temperature

Garryowen registers an average high-temperature of a moderately hot 85.1°F (29.5°C) with the arrival of August, showing minor deviation from the preceding month. During August, Garryowen notes a substantial drop from the daytime peak to an average minimum temperature of 62.2°F (16.8°C).

Humidity

With an average relative humidity of 38%, August is the least humid month.

Rainfall

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

Snowfall

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

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

The average sunshine in August is 11.8h.

UV index

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Garryowen, records 85.1°F (29.5°C), while the low-temperature is 62.2°F (16.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 87.8°F (31°C).

What is the least humid month?

With an average relative humidity of 38%, August is the least humid month.

What is the average humidity in August?

The average relative humidity in August is 38%.

What is the driest month?

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

How many days does it rain in August?

In August, in Garryowen, the rain falls for 7.5 days. Throughout August, 0.63" (16mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in August?

In Garryowen, 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 3min.

What time are sunrise and sunset in August?

In August, on the first day of the month, 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 long on average sun shines in August?

In August, the average sunshine duration is 11.8h.

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Garryowen, Montana, USA

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