August weather forecast
Terry, MT

Weather in August

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

Temperature

In Terry, the average high-temperature in August is almost the same as in July - a still warm 83.3°F (28.5°C). The average low-temperature, in Terry, is 63.1°F (17.3°C).

Heat index

The average heat index in August is evaluated at 83.1°F (28.4°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, metabolic differences). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

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

Snowfall

In Terry, Montana, snow does not fall in June through September.

Daylight

In Terry, the average length of the day in August is 14h and 9min.
On the first day of August, sunrise is at 5:41 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:42 pm MDT.

Sunshine

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

UV index

The average daily maximum UV index in August in Terry is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Terry?

In Terry, Montana, in August, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 63.1°F (17.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 83.1°F (28.4°C).

What is the least humid month in Terry?

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

What is the average humidity in August in Terry?

In August, the average relative humidity in Terry, Montana, is 43%.

How much does it rain in Terry in August?

In Terry, Montana, during August, the rain falls for 10.6 days and regularly aggregates up to 1.22" (31mm) of precipitation.

When it does not snow in Terry?

June through September are months without snowfall in Terry, Montana.

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

The average day length in August in Terry, Montana, is 14h and 9min.

When are sunrise and sunset in August in Terry?

In August, on the first day of the month, sunrise is at 5:41 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:42 pm MDT.

How many hours of sunshine does Terry have in August?

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

What is the UV index intensity in August in Terry?

In Terry, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Terry, MT

Average temperature in August - Terry, 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).

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Average pressure in August
Terry, MT

Average pressure in August - Terry, 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).

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Average wind speed in August
Terry, MT

Average wind speed in August - Terry, 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).

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Average humidity in August
Terry, MT

Average humidity in August - Terry, 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%).

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Average rainfall in August
Terry, MT

Average rainfall in August - Terry, 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").

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Average rainfall days in August
Terry, MT

Average rainfall days in August - Terry, 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).

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Average snowfall in August
Terry, MT

Average snowfall in August - Terry, 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").

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Average snowfall days in August
Terry, MT

Average snowfall days in August - Terry, 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).

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

Average daylight in August / Average sunshine in August - Terry, MT
  • Average daylight in August: 14h and 9min

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 37min).

  • Average sunshine in August: 11h and 36min

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).

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Average sunshine days in August
Terry, MT

Average sunshine days in August - Terry, 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).

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Average UV index in August
Terry, MT

Average UV index in August - Terry, 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).

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Average cloud cover in August
Terry, MT

Average cloud cover in August - Terry, 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).

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Average visibility in August
Terry, MT

Average visibility in August - Terry, 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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