August weather forecast
Whitewater, MT

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Weather in August

August, the last month of the summer in Whitewater, is also a moderately hot month, with an average temperature fluctuating between 82.8°F (28.2°C) and 62.1°F (16.7°C).

Temperature

With August's arrival, Whitewater's weather records an average high-temperature of a still warm 82.8°F (28.2°C), marking little difference from July's 84°F (28.9°C). August brings Whitewater a consistent average low-temperature of 62.1°F (16.7°C).

Heat index

During August, the heat index is computed to be 82.4°F (28°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

August is the least humid month, with an average relative humidity of 41%.

Rainfall

In Whitewater, in August, during 9.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Whitewater, during the entire year, the rain falls for 91.8 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 14h and 18min.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:48 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:53 pm MDT.

Sunshine

In Whitewater, the average sunshine in August is 11.5h.

UV index

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Whitewater, records 82.8°F (28.2°C), while the low-temperature is 62.1°F (16.7°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 82.4°F (28°C).

What is the least humid month in Whitewater?

With an average relative humidity of 41%, August is the least humid month.

What is the average humidity in August in Whitewater?

In Whitewater, the average relative humidity in August is 41%.

How many days does it rain in August?

In Whitewater, in August, during 9.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Whitewater have in August?

In August, the average day length in Whitewater, Montana, is 14h and 18min.

What time are sunrise and sunset in August?

On the first day of August in Whitewater, sunrise is at 5:45 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:53 pm MDT.

How long on average sun shines in August?

In Whitewater, the average sunshine duration in August is 11.5h.

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Whitewater, MT

Average temperature in August - Whitewater, MT
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).

Average pressure in August
Whitewater, MT

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

The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in August
Whitewater, MT

Average wind speed in August - Whitewater, MT
  • Average wind speed in August: 9.6mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).

Average humidity in August
Whitewater, MT

Average humidity in August - Whitewater, MT
  • Average humidity in August: 41%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).

Average rainfall in August
Whitewater, MT

Average rainfall in August - Whitewater, MT
  • Average rainfall in August: 0.91"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in August
Whitewater, MT

Average rainfall days in August - Whitewater, MT
  • Average rainfall days in August: 9.2 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in August
Whitewater, MT

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

The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Whitewater, MT

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

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Whitewater, MT
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in August: 11h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
Whitewater, MT

Average sunshine days in August - Whitewater, MT
  • Average sunshine days in August: 19.9 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).

Average UV index in August
Whitewater, MT

Average UV index in August - Whitewater, 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 January, February, March, October, November and December (UV index 2).

Average cloud cover in August
Whitewater, MT

Average cloud cover in August - Whitewater, MT
  • Average cloud cover in August: 18

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).

Average visibility in August
Whitewater, MT

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Whitewater, Montana, USA

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