August weather forecast
Cardwell, MT

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Weather in August

August, the last month of the summer in Cardwell, is another warm month, with an average temperature varying between 81.9°F (27.7°C) and 50.5°F (10.3°C).

Temperature

Cardwell, Montana, starts August with an average high-temperature of a still warm 81.9°F (27.7°C), hinting at a minimal fluctuation from July. Cardwell, during the nights of August, registers a substantial plunge from the daytime high, averaging at a fresh 50.5°F (10.3°C).

Heat index

During August, the heat index is calculated to be 82.4°F (28°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

With an average relative humidity of 44%, August is the least humid month in Cardwell.

Rainfall

August is the month with the least rainfall in Cardwell. Rain falls for 7.6 days and accumulates 0.51" (13mm) of precipitation.

Snowfall

In Cardwell, snow does not fall in July and August.

Daylight

The average length of the day in August is 14h and 5min.
On the first day of August, sunrise is at 6:11 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:07 pm MDT.

Sunshine

The average sunshine in August is 11.7h.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Cardwell in August?

In August, in Cardwell, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 50.5°F (10.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 82.4°F (28°C).

What is the least humid month in Cardwell?

August is the least humid month in Cardwell, with an average relative humidity of 44%.

What is the average humidity in August in Cardwell?

In August, the average relative humidity is 44%.

What is the driest month in Cardwell?

The month with the least rainfall is August, when the rain falls for 7.6 days and typically collects 0.51" (13mm) of precipitation.

How much does it rain in Cardwell in August?

In Cardwell, Montana, during August, the rain falls for 7.6 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in Cardwell?

In Cardwell, Montana, snow does not fall in July and August.

Does it snow in Cardwell in August?

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

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

In August, the average day length in Cardwell, Montana, is 14h and 5min.

When is the sunrise / sunset in August in Cardwell?

On the first day of August in Cardwell, sunrise is at 6:11 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:07 pm MDT.

How many hours of sunshine does Cardwell have in August?

The average sunshine duration in August is 11.7h.

What is the UV index intensity in August in Cardwell?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Cardwell, MT

Average temperature in August - Cardwell, MT
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28°F).

  • Average low temperature in August: 50.5°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (12.7°F).

Average pressure in August
Cardwell, MT

Average pressure in August - Cardwell, MT
  • Average pressure in August: 29.96"Hg

The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Cardwell, MT

Average wind speed in August - Cardwell, MT
  • Average wind speed in August: 4.2mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in August
Cardwell, MT

Average humidity in August - Cardwell, MT
  • Average humidity in August: 44%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).

Average rainfall in August
Cardwell, MT

Average rainfall in August - Cardwell, MT
  • Average rainfall in August: 0.51"

The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is August (0.51").

Average rainfall days in August
Cardwell, MT

Average rainfall days in August - Cardwell, MT
  • Average rainfall days in August: 7.6 days

The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is August (7.6 days).

Average snowfall in August
Cardwell, MT

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

The month with the highest snowfall is February (6.02").
The months with the least snowfall are July and August (0").

Average snowfall days in August
Cardwell, MT

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

The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in August / Average sunshine in August - Cardwell, 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 January (Average sunshine: 5h and 54min).

Average sunshine days in August
Cardwell, MT

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

The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is April (9.3 days).

Average UV index in August
Cardwell, MT

Average UV index in August - Cardwell, MT
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Cardwell, MT

Average cloud cover in August - Cardwell, MT
  • Average cloud cover in August: 13

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in August
Cardwell, MT

Average visibility in August - Cardwell, MT
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Cardwell, Montana, USA

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