August weather forecast
Saint Regis, MT

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Weather in August

The last month of the summer, August, is another warm month in Saint Regis, Montana, with an average temperature fluctuating between 45.7°F (7.6°C) and 78.8°F (26°C).

Temperature

The warmest period is usually observed in July and August, with the average high-temperature peaking at 78.8°F (26°C).

Humidity

July and August, with an average relative humidity of 53%, are the least humid months.

Rainfall

The month with the least rainfall is August, when the rain falls for 5.9 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

In Saint Regis, Montana, snow does not fall in June through August.

Daylight

In August, the average length of the day in Saint Regis is 14h and 11min.
On the first day of the month, sunrise is at 6:20 am and sunset at 9:13 pm. On the last day of August, sunrise is at 6:59 am and sunset at 8:21 pm MDT.

Sunshine

The average sunshine in August is 11.6h.

UV index

The average daily maximum UV index in August in Saint Regis is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Saint Regis?

Peak temperatures in Saint Regis, Montana, are observed in July and August, averaging a high-temperature of 78.8°F (26°C).

What are August temperatures in Saint Regis?

In Saint Regis, 78.8°F (26°C) is the average high-temperature and 45.7°F (7.6°C) is the average low-temperature during August.

What is the least humid month in Saint Regis?

July and August, with an average relative humidity of 53%, are the least humid months in Saint Regis, Montana.

What is the average humidity in August in Saint Regis?

In Saint Regis, Montana, the average relative humidity in August is 53%.

What is the driest month in Saint Regis?

The month with the least rainfall in Saint Regis is August, when the rain falls for 5.9 days and typically collects 0.39" (10mm) of precipitation.

How much does it rain in Saint Regis in August?

In Saint Regis, Montana, in August, during 5.9 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

When it does not snow in Saint Regis?

June through August are months without snowfall.

Does it snow in Saint Regis in August?

In Saint Regis, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Saint Regis have in August?

In Saint Regis, Montana, the average day length in August is 14h and 11min.

When are sunrise and sunset in August in Saint Regis?

In August, on the first day of the month, sunrise is at 6:20 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 8:21 pm MDT.

How many hours of sunshine does Saint Regis have in August?

The average sunshine duration in August in Saint Regis, Montana, is 11.6h.

How high is the UV index in August in Saint Regis?

In Saint Regis, Montana, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium 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
Saint Regis, MT

Average temperature in August - Saint Regis, MT
  • Average high temperature in August: 78.8°F

The warmest months (with the highest average high temperature) are July and August (78.8°F).
The month with the lowest average high temperature is December (28.9°F).

  • Average low temperature in August: 45.7°F

The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

Average pressure in August
Saint Regis, MT

Average pressure in August - Saint Regis, MT
  • Average pressure in August: 29.94"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Saint Regis, MT

Average wind speed in August - Saint Regis, MT
  • Average wind speed in August: 4.1mph

The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is December (4mph).

Average humidity in August
Saint Regis, MT

Average humidity in August - Saint Regis, MT
  • Average humidity in August: 53%

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (53%).

Average rainfall in August
Saint Regis, MT

Average rainfall in August - Saint Regis, MT
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is January (3.11").
The driest month (with the least rainfall) is August (0.39").

Average rainfall days in August
Saint Regis, MT

Average rainfall days in August - Saint Regis, MT
  • Average rainfall days in August: 5.9 days

The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).

Average snowfall in August
Saint Regis, MT

Average snowfall in August - Saint Regis, MT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (15.12").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Saint Regis, MT

Average snowfall days in August - Saint Regis, MT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (20.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Saint Regis, MT

Average daylight in August / Average sunshine in August - Saint Regis, 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 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in August
Saint Regis, MT

Average sunshine days in August - Saint Regis, MT
  • Average sunshine days in August: 23.3 days

The months with the most sunshine days are July and August (23.3 days).
The month with the least sunshine days is March (5.8 days).

Average UV index in August
Saint Regis, MT

Average UV index in August - Saint Regis, MT
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in August
Saint Regis, MT

Average cloud cover in August - Saint Regis, MT
  • Average cloud cover in August: 15

The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in August
Saint Regis, MT

Average visibility in August - Saint Regis, MT
  • Average visibility in August: 6mi

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).

Saint Regis, Montana, USA

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