August weather forecast
McAllister, MT

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Weather in August

The last month of the summer, August, is another pleasant month in McAllister, Montana, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 46°F (7.8°C).

Temperature

August brings an average high-temperature of an agreeable 73°F (22.8°C), nearly identical to the preceding month. McAllister documents a striking divergence from daytime highs, with an average nighttime temperature of 46°F (7.8°C) in August.

Humidity

With an average relative humidity of 50%, August is the least humid month.

Rainfall

In McAllister, during August, the rain falls for 13.6 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 105.7 rainfall days, and 17.99" (457mm) of precipitation is accumulated.

Snowfall

Months with snowfall in McAllister are January through December. The month with the least snowfall in McAllister, Montana, is August, when snow falls for 0.3 days and typically aggregates up to 0.08" (2mm) of snow.

Daylight

The average length of the day in August is 14h and 3min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:54 pm. On the last day of August, sunrise is at 6:48 am and sunset at 8:05 pm MDT.

Sunshine

In McAllister, the average sunshine in August is 11.4h.

UV index

The average daily maximum UV index in August in McAllister is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: During August, 4 as the daily maximum UV index converts into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the usual temperature for McAllister in August?

The high-temperature, in August, in McAllister, records 73°F (22.8°C), while the low-temperature is 46°F (7.8°C).

What is the least humid month in McAllister?

August is the least humid month in McAllister, with an average relative humidity of 50%.

What is the average humidity in August in McAllister?

In August, the average relative humidity in McAllister is 50%.

How many days does it rain in August in McAllister?

In August, the rain falls for 13.6 days. Throughout August, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in McAllister?

The month with the least snowfall in McAllister is August, when snow falls for 0.3 days and typically aggregates up to 0.08" (2mm) of snow.

How much does it snow in McAllister in August?

In McAllister, during August, snow falls for 0.3 days and regularly aggregates up to 0.08" (2mm) of snow.

How many hours of daylight does McAllister have in August?

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

When is the sunrise / sunset in August in McAllister?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:05 pm MDT.

How many hours of sunshine does McAllister have in August?

The average sunshine duration in August is 11.4h.

What is the UV index intensity in August in McAllister?

In McAllister, Montana, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
McAllister, MT

Average temperature in August - McAllister, MT
  • Average high temperature in August: 73°F

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is December (22.3°F).

  • Average low temperature in August: 46°F

The month with the highest average low temperature is August (46°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).

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Average pressure in August
McAllister, MT

Average pressure in August - McAllister, MT
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
McAllister, MT

Average wind speed in August - McAllister, MT
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in August
McAllister, MT

Average humidity in August - McAllister, MT
  • Average humidity in August: 50%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in August
McAllister, MT

Average rainfall in August - McAllister, MT
  • Average rainfall in August: 1.42"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.75").

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Average rainfall days in August
McAllister, MT

Average rainfall days in August - McAllister, MT
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is November (2.9 days).

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Average snowfall in August
McAllister, MT

Average snowfall in August - McAllister, MT
  • Average snowfall in August: 0.08"

The month with the highest snowfall is April (14.76").
The month with the least snowfall is August (0.08").

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Average snowfall days in August
McAllister, MT

Average snowfall days in August - McAllister, MT
  • Average snowfall days in August: 0.3 days

The month with the highest number of snowfall days is April (19.9 days).
The month with the least snowfall days is August (0.3 days).

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

Average daylight in August / Average sunshine in August - McAllister, MT
  • Average daylight in August: 14h and 0min

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 2min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in August
McAllister, MT

Average sunshine days in August - McAllister, MT
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is April (6.9 days).

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Average UV index in August
McAllister, MT

Average UV index in August - McAllister, MT
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in August
McAllister, MT

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

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in August
McAllister, MT

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

The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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McAllister, Montana, USA

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