August weather forecast
Bloomfield, MT

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Weather in August

August, the last month of the summer in Bloomfield, is also a moderately hot month, with an average temperature fluctuating between 63.1°F (17.3°C) and 83.3°F (28.5°C).

Temperature

The advent of August denotes an average high-temperature of a still warm 83.3°F (28.5°C), subtly different from July's 84.7°F (29.3°C). August brings with it a nighttime average temperature of 63.1°F (17.3°C).

Heat index

The average heat index in August is estimated at 82.4°F (28°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

With an average relative humidity of 43%, August is the least humid month.

Rainfall

In Bloomfield, in August, it is raining for 10.6 days, with typically 1.22" (31mm) of accumulated precipitation. In Bloomfield, during the entire year, the rain falls for 102.6 days and collects up to 13.35" (339mm) of precipitation.

Snowfall

In Bloomfield, snow does not fall in June through September.

Daylight

In Bloomfield, the average length of the day in August is 14h and 11min.
On the first day of August, sunrise is at 5:38 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:41 pm MDT.

Sunshine

In August, the average sunshine is 11.6h.

UV index

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The average high-temperature, in August, in Bloomfield, is 83.3°F (28.5°C), while the average low-temperature is 63.1°F (17.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 82.4°F (28°C).

What is the least humid month in Bloomfield?

With an average relative humidity of 43%, August is the least humid month.

What is the average humidity in August in Bloomfield?

The average relative humidity in August is 43%.

How many days does it rain in August?

In Bloomfield, in August, during 10.6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Bloomfield have in August?

In Bloomfield, the average day length in August is 14h and 11min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:41 pm MDT.

How long on average sun shines in August?

The average sunshine duration in August in Bloomfield is 11.6h.

What is the UV index intensity in August?

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

Average temperature in August - Bloomfield, MT
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in August
Bloomfield, MT

Average pressure in August - Bloomfield, MT
  • Average pressure in August: 29.88"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in August
Bloomfield, MT

Average wind speed in August - Bloomfield, MT
  • Average wind speed in August: 9.3mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

Average humidity in August
Bloomfield, MT

Average humidity in August - Bloomfield, MT
  • Average humidity in August: 43%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

Average rainfall in August
Bloomfield, MT

Average rainfall in August - Bloomfield, MT
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in August
Bloomfield, MT

Average rainfall days in August - Bloomfield, MT
  • Average rainfall days in August: 10.6 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

Average snowfall in August
Bloomfield, MT

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

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Bloomfield, MT

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

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in August
Bloomfield, MT

Average sunshine days in August - Bloomfield, MT
  • Average sunshine days in August: 17.6 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in August
Bloomfield, MT

Average UV index in August - Bloomfield, 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 November and December (UV index 1).

Average cloud cover in August
Bloomfield, MT

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

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in August
Bloomfield, MT

Average visibility in August - Bloomfield, 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).

Bloomfield, Montana, USA

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