August weather forecast
Billings, MT

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The forest of trees in the plains, on the sandstone bluffs in Billings, Montana
The forest of trees in the plains, on the sandstone bluffs in Billings, Montana

Weather in August

August in Billings, Montana, sustains the heat of summer, mirroring July with an average high temperature of 83.1°F (28.4°C). Despite retaining the high temperatures, the city witnesses an increase in rainfall to 0.98" (25mm). The month marks the end of peak summer temperatures, augmenting the anticipation for the arrival of the cooler months of autumn and the reduced heat of September.

Temperature

The commencement of August in Billings brings an average high-temperature of a still warm 83.1°F (28.4°C), marking an inconsequential divergence from July. A considerable shift from the daytime highs is observed during August nights, with an average low of 60.3°F (15.7°C).

Heat index

The heat index in August is estimated at 82.4°F (28°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

August is the least humid month in Billings, with an average relative humidity of 40%.

Rainfall

In Billings, during August, the rain falls for 11 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Billings, during the entire year, the rain falls for 128.5 days and collects up to 14.69" (373mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day in Billings is 14h and 4min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:53 pm MDT.

Sunshine

In August, the average sunshine in Billings is 11.6h.

UV index

In August, the average daily maximum UV index in Billings is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

How hot does it get in Billings in August?

In August, the average high-temperature and low-temperature are 83.1°F (28.4°C) and 60.3°F (15.7°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 82.4°F (28°C).

What is the least humid month in Billings?

The least humid month in Billings is August, with an average relative humidity of 40%.

What is the average humidity in August in Billings?

The average relative humidity in August is 40%.

How much does it rain in Billings in August?

In August, in Billings, Montana, the rain falls for 11 days. Throughout August, 0.98" (25mm) of precipitation is accumulated.

When it does not snow in Billings?

June through August are months without snowfall in Billings.

Does it snow in Billings in August?

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

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

The average day length in August in Billings is 14h and 4min.

When are sunrise and sunset in August in Billings?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 8:42 pm. On the last day of the month, in Billings, sunrise is at 6:34 am and sunset at 7:53 pm MDT.

How long on average sun shines in August in Billings?

In Billings, the average sunshine duration in August is 11.6h.

What is the UV index reading in August in Billings?

In Billings, Montana, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Billings, MT

Average temperature in August - Billings, MT
  • Average high temperature in August: 83.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.1°F).

  • Average low temperature in August: 60.3°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).

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Average pressure in August
Billings, MT

Average pressure in August - Billings, MT
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in August
Billings, MT

Average wind speed in August - Billings, MT
  • Average wind speed in August: 7.2mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in August
Billings, MT

Average humidity in August - Billings, MT
  • Average humidity in August: 40%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in August
Billings, MT

Average rainfall in August - Billings, MT
  • Average rainfall in August: 0.98"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is July (0.71").

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Average rainfall days in August
Billings, MT

Average rainfall days in August - Billings, MT
  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in August
Billings, MT

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

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Billings, MT

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

The month with the highest number of snowfall days is February (13.3 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
Billings, MT

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in August
Billings, MT

Average sunshine days in August - Billings, MT
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (9.9 days).

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Average UV index in August
Billings, MT

Average UV index in August - Billings, 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
Billings, MT

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

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in August
Billings, MT

Average visibility in August - Billings, 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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Billings, Montana, USA

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