August weather forecast
Monarch, MT

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Weather in August

August, the last month of the summer in Monarch, is also an agreeable month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 48.2°F (9°C).

Temperature

As Monarch, Montana, transitions from July to August, the average high-temperatures adjust to an agreeable 72.1°F (22.3°C), nearly the same as the previous 73.9°F (23.3°C). Contrasted against daytime highs, Monarch records an average nighttime low of 48.2°F (9°C) in August.

Humidity

August is the least humid month, with an average relative humidity of 53%.

Rainfall

In Monarch, in August, it is raining for 13 days, with typically 1.93" (49mm) of accumulated precipitation. In Monarch, during the entire year, the rain falls for 138.1 days and collects up to 28.58" (726mm) of precipitation.

Snowfall

Months with snowfall are January through June, August through December. August is the first month it typically snows in Monarch. Throughout August, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. In Monarch, during the entire year, snow falls for 137.4 days and aggregates up to 110.08" (2796mm) of snow.

Daylight

In August, the average length of the day in Monarch is 14h and 10min.
On the first day of August, sunrise is at 6:03 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 8:04 pm MDT.

Sunshine

The average sunshine in August is 11.2h.

UV index

In Monarch, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 4 during August translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

August temperatures vary between a high-temperature of 72.1°F (22.3°C) and a low-temperature of 48.2°F (9°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 53%.

What is the average humidity in August?

The average relative humidity in August is 53%.

How much does it rain in August?

In Monarch, in August, it is raining for 13 days, with typically 1.93" (49mm) of accumulated precipitation.

When does it start to snow?

August is the first month it typically snows. Throughout August, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Monarch have in August?

In Monarch, the average day length in August is 14h and 10min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 8:04 pm MDT.

How many hours of sunshine does Monarch have in August?

The average sunshine duration in August is 11.2h.

How high is the UV index in August?

In Monarch, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Monarch, MT

Average temperature in August - Monarch, MT
  • Average high temperature in August: 72.1°F

The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (24.3°F).

  • Average low temperature in August: 48.2°F

The months with the highest average low temperature are July and August (48.2°F).
The coldest month (with the lowest average low temperature) is December (11.7°F).

Average pressure in August
Monarch, MT

Average pressure in August - Monarch, MT
  • Average pressure in August: 29.92"Hg

The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Monarch, MT

Average wind speed in August - Monarch, MT
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in August
Monarch, MT

Average humidity in August - Monarch, MT
  • Average humidity in August: 53%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (53%).

Average rainfall in August
Monarch, MT

Average rainfall in August - Monarch, MT
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is December (1.26").

Average rainfall days in August
Monarch, MT

Average rainfall days in August - Monarch, MT
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in August
Monarch, MT

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

The month with the highest snowfall is April (19.29").
The month with the least snowfall is July (0").

Average snowfall days in August
Monarch, MT

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

The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0 days).

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

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

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

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Monarch, MT

Average sunshine days in August - Monarch, MT
  • Average sunshine days in August: 14.5 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is May (4.7 days).

Average UV index in August
Monarch, MT

Average UV index in August - Monarch, 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).

Average cloud cover in August
Monarch, MT

Average cloud cover in August - Monarch, MT
  • Average cloud cover in August: 18

The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 18).

Average visibility in August
Monarch, MT

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

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

Monarch, Montana, USA

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