August weather forecast
Altamont, WY

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Weather in August

August, the last month of the summer in Altamont, is also a moderately hot month, with an average temperature ranging between min 51.4°F (10.8°C) and max 77.5°F (25.3°C).

Temperature

The arrival of August denotes a barely perceptible change in the average high-temperatures to a still moderately hot 77.5°F (25.3°C) from July's 79.2°F (26.2°C). In August, the temperature in Altamont registers a significant dip to an average of 51.4°F (10.8°C) at night.

Humidity

August is the least humid month in Altamont, with an average relative humidity of 39%.

Rainfall

The month with the least rainfall is August, when the rain falls for 7.3 days and typically collects 0.51" (13mm) of precipitation.

Snowfall

July and August are months without snowfall.

Daylight

In August, the average length of the day is 13h and 46min.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:39 pm. On the last day of August, sunrise is at 6:49 am and sunset at 7:56 pm MDT.

Sunshine

The month with the most sunshine is August, with an average of 12h of sunshine.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index in Altamont. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What are the temperatures in Altamont in August?

In Altamont, in August, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 51.4°F (10.8°C).

What is the least humid month in Altamont?

The least humid month in Altamont is August, with an average relative humidity of 39%.

What is the average humidity in August in Altamont?

In Altamont, the average relative humidity in August is 39%.

What is the driest month in Altamont?

The month with the least rainfall is August, when the rain falls for 7.3 days and typically collects 0.51" (13mm) of precipitation.

How much does it rain in Altamont in August?

In Altamont, during August, the rain falls for 7.3 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in Altamont?

July and August are months without snowfall in Altamont, Wyoming.

Does it snow in Altamont in August?

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

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

In August, the average day length is 13h and 46min.

What time are sunrise and sunset in August in Altamont?

On the first day of August in Altamont, sunrise is at 6:19 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:56 pm MDT.

What month has the most sunshine in Altamont?

August has the most sunshine of the year in Altamont, with an average of 12h of sunshine.

How many hours of sunshine does Altamont have in August?

In August, the average sunshine duration in Altamont, Wyoming, is 12h.

What is the month with the highest UV index in Altamont?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Altamont, Wyoming.

What is the UV index reading in August in Altamont?

The average daily maximum UV index in August in Altamont, Wyoming, is 5. A UV Index reading of 3 to 5 represents a medium 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
Altamont, WY

Average temperature in August - Altamont, WY
  • Average high temperature in August: 77.5°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.4°F).

  • Average low temperature in August: 51.4°F

The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in August
Altamont, WY

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

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in August
Altamont, WY

Average wind speed in August - Altamont, WY
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in August
Altamont, WY

Average humidity in August - Altamont, WY
  • Average humidity in August: 39%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in August
Altamont, WY

Average rainfall in August - Altamont, WY
  • Average rainfall in August: 0.51"

The wettest months (with the highest rainfall) are April and May (1.38").
The driest month (with the least rainfall) is August (0.51").

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Average rainfall days in August
Altamont, WY

Average rainfall days in August - Altamont, WY
  • Average rainfall days in August: 7.3 days

The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in August
Altamont, WY

Average snowfall in August - Altamont, WY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (10").
The months with the least snowfall are July and August (0").

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Average snowfall days in August
Altamont, WY

Average snowfall days in August - Altamont, WY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Altamont, WY

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

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

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

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Average sunshine days in August
Altamont, WY

Average sunshine days in August - Altamont, WY
  • Average sunshine days in August: 16.8 days

The month with the most sunshine days is June (19.5 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index in August
Altamont, WY

Average UV index in August - Altamont, WY
  • Average UV index in August: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in August
Altamont, WY

Average cloud cover in August - Altamont, WY
  • Average cloud cover in August: 10

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in August
Altamont, WY

Average visibility in August - Altamont, WY
  • Average visibility in August: 6mi

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

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Altamont, Wyoming, USA

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