August weather forecast
Forsyth, MT

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Weather in August

The last month of the summer, August, is also a moderately hot month in Forsyth, Montana, with an average temperature varying between 84.4°F (29.1°C) and 64.4°F (18°C).

Temperature

August's commencement is accompanied by an average high-temperature of a warm 84.4°F (29.1°C), diverging marginally from July's 86.5°F (30.3°C). Throughout the nights in August, Forsyth experiences an average low-temperature of 64.4°F (18°C).

Humidity

With an average relative humidity of 38%, August is the least humid month in Forsyth, Montana.

Rainfall

In Forsyth, in August, during 10.4 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Forsyth, during the entire year, the rain falls for 121.7 days and collects up to 13.23" (336mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August in Forsyth, Montana, is 14h and 7min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:36 pm. On the last day of August, in Forsyth, sunrise is at 6:26 am and sunset at 7:46 pm MDT.

Sunshine

The average sunshine in August in Forsyth is 11.7h.

UV index

In August, the average daily maximum UV index in Forsyth is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

Is it hot in Forsyth during August?

The high-temperature in Forsyth, Montana, during August is 84.4°F (29.1°C) and the low-temperature is 64.4°F (18°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 86°F (30°C).

What is the least humid month in Forsyth?

The least humid month in Forsyth, Montana, is August, with an average relative humidity of 38%.

What is the average humidity in August in Forsyth?

In Forsyth, Montana, the average relative humidity in August is 38%.

How many days does it rain in August in Forsyth?

In Forsyth, in August, during 10.4 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When it does not snow in Forsyth?

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

How many hours of daylight does Forsyth have in August?

In August, the average day length in Forsyth, Montana, is 14h and 7min.

When is the sunrise / sunset in August in Forsyth?

On the first day of August in Forsyth, sunrise is at 5:49 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:46 pm MDT.

How many hours of sunshine does Forsyth have in August?

In Forsyth, the average sunshine duration in August is 11.7h.

How high is the UV index in August in Forsyth?

The average daily maximum UV index in August in Forsyth, Montana, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
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
Forsyth, MT

Average temperature in August - Forsyth, MT
  • Average high temperature in August: 84.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 64.4°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

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Average pressure in August
Forsyth, MT

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

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in August
Forsyth, MT

Average wind speed in August - Forsyth, MT
  • Average wind speed in August: 8.9mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in August
Forsyth, MT

Average humidity in August - Forsyth, MT
  • Average humidity in August: 38%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in August
Forsyth, MT

Average rainfall in August - Forsyth, MT
  • Average rainfall in August: 1.14"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.63").

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Average rainfall days in August
Forsyth, MT

Average rainfall days in August - Forsyth, MT
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is May (15.1 days).
The months with the least rainy days are January, February and December (6.5 days).

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Average snowfall in August
Forsyth, MT

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

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Forsyth, MT

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

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Forsyth, 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
Forsyth, MT

Average sunshine days in August - Forsyth, MT
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.9 days).

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Average UV index in August
Forsyth, MT

Average UV index in August - Forsyth, MT
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Forsyth, MT

Average cloud cover in August - Forsyth, MT
  • Average cloud cover in August: 15

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

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Average visibility in August
Forsyth, MT

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

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