August weather forecast
Powder River, WY

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Weather in August

August, the last month of the summer in Powder River, is another warm month, with an average temperature ranging between max 82.6°F (28.1°C) and min 59.9°F (15.5°C).

Temperature

Entering August, Powder River's average high-temperature reads a still moderately hot 82.6°F (28.1°C), indicating a close resemblance to the previous month's climate. Despite a noticeable differential from daytime highs, Powder River notes an average nighttime low-temperature of 59.9°F (15.5°C) in August.

Humidity

August is the least humid month, with an average relative humidity of 36%.

Rainfall

The month with the least rainfall in Powder River is August, when the rain falls for 6.6 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

In Powder River, snow does not fall in June through August.

Daylight

The average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:28 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:43 pm MDT.

Sunshine

The average sunshine in August in Powder River is 11.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In August, a regular UV index of 6 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

How hot does it get in Powder River in August?

The high-temperature in Powder River during August is 82.6°F (28.1°C) and the low-temperature is 59.9°F (15.5°C).

What is the least humid month in Powder River?

August is the least humid month in Powder River, Wyoming, with an average relative humidity of 36%.

What is the average humidity in August in Powder River?

The average relative humidity in August in Powder River, Wyoming, is 36%.

What is the driest month in Powder River?

August is the month with the least rainfall in Powder River. Rain falls for 6.6 days and accumulates 0.35" (9mm) of precipitation.

How many days does it rain in August in Powder River?

In Powder River, Wyoming, in August, it is raining for 6.6 days, with typically 0.35" (9mm) of accumulated precipitation.

When it does not snow in Powder River?

In Powder River, Wyoming, snow does not fall in June through August.

Does it snow in Powder River in August?

In Powder River, Wyoming, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Powder River have in August?

In August, the average day length in Powder River, Wyoming, is 13h and 53min.

When is the sunrise / sunset in August in Powder River?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:43 pm MDT.

How long on average sun shines in August in Powder River?

In August, the average sunshine duration is 11.9h.

When is the highest UV index in Powder River?

The months with the highest UV index in Powder River, Wyoming, are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Powder River?

In Powder River, Wyoming, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to 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
Powder River, WY

Average temperature in August - Powder River, WY
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in August: 59.9°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).

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Average pressure in August
Powder River, WY

Average pressure in August - Powder River, WY
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in August
Powder River, WY

Average wind speed in August - Powder River, WY
  • Average wind speed in August: 8.4mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

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Average humidity in August
Powder River, WY

Average humidity in August - Powder River, WY
  • Average humidity in August: 36%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in August
Powder River, WY

Average rainfall in August - Powder River, WY
  • Average rainfall in August: 0.35"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is August (0.35").

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Average rainfall days in August
Powder River, WY

Average rainfall days in August - Powder River, WY
  • Average rainfall days in August: 6.6 days

The month with the highest number of rainy days is May (10.9 days).
The month with the least rainy days is December (3.3 days).

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Average snowfall in August
Powder River, WY

Average snowfall in August - Powder River, WY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Powder River, WY

Average snowfall days in August - Powder River, WY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in August /
Average sunshine in August
Powder River, WY

Average daylight in August / Average sunshine in August - Powder River, WY
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

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Average sunshine days in August
Powder River, WY

Average sunshine days in August - Powder River, WY
  • Average sunshine days in August: 20.3 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index in August
Powder River, WY

Average UV index in August - Powder River, WY
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in August
Powder River, WY

Average cloud cover in August - Powder River, WY
  • Average cloud cover in August: 13

The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in August
Powder River, WY

Average visibility in August - Powder River, WY
  • 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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Powder River, Wyoming, USA

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