August weather forecast
Glenns Ferry, ID

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Weather in August

August, the last month of the summer in Glenns Ferry, is another hot month, with temperature in the range of an average high of 89.8°F (32.1°C) and an average low of 64°F (17.8°C).

Temperature

The advent of August presents an average high-temperature of a still hot 89.8°F (32.1°C), maintaining a close correlation with the preceding month. Glenns Ferry registers a substantial downturn from daytime peaks throughout August nights, with an average low-temperature of 64°F (17.8°C).

Humidity

The average relative humidity in August in Glenns Ferry is 27%.

Rainfall

In Glenns Ferry, Idaho, during August, the rain falls for 3.9 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, there are 80.6 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Glenns Ferry.

Daylight

The average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 6:33 am and sunset at 9:01 pm. On the last day of August, sunrise is at 7:05 am and sunset at 8:16 pm MDT.

Sunshine

In August, the average sunshine is 11.5h.

UV index

In Glenns Ferry, Idaho, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

How hot is it in Glenns Ferry in August?

In Glenns Ferry, in August, the average high-temperature is 89.8°F (32.1°C), and the average low-temperature is 64°F (17.8°C).

What is the average humidity in August in Glenns Ferry?

In Glenns Ferry, Idaho, the average relative humidity in August is 27%.

How many days does it rain in August in Glenns Ferry?

In August, in Glenns Ferry, the rain falls for 3.9 days. Throughout August, 0.16" (4mm) of precipitation is accumulated.

When it does not snow in Glenns Ferry?

In Glenns Ferry, snow does not fall in May through September.

How many hours of daylight does Glenns Ferry have in August?

The average day length in August is 13h and 53min.

When are sunrise and sunset in August in Glenns Ferry?

On the first day of August in Glenns Ferry, Idaho, sunrise is at 6:33 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 8:16 pm MDT.

How many hours of sunshine does Glenns Ferry have in August?

The average sunshine duration in August in Glenns Ferry, Idaho, is 11.5h.

How high is the UV index in August in Glenns Ferry?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high 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
Glenns Ferry, ID

Average temperature in August - Glenns Ferry, ID
  • Average high temperature in August: 89.8°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (35.4°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

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Average pressure in August
Glenns Ferry, ID

Average pressure in August - Glenns Ferry, ID
  • Average pressure in August: 29.88"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Glenns Ferry, ID

Average wind speed in August - Glenns Ferry, ID
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

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Average humidity in August
Glenns Ferry, ID

Average humidity in August - Glenns Ferry, ID
  • Average humidity in August: 27%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (26%).

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Average rainfall in August
Glenns Ferry, ID

Average rainfall in August - Glenns Ferry, ID
  • Average rainfall in August: 0.16"

The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in August
Glenns Ferry, ID

Average rainfall days in August - Glenns Ferry, ID
  • Average rainfall days in August: 3.9 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (3.1 days).

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Average snowfall in August
Glenns Ferry, ID

Average snowfall in August - Glenns Ferry, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Glenns Ferry, ID

Average snowfall days in August - Glenns Ferry, ID
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Glenns Ferry, ID

Average daylight in August / Average sunshine in August - Glenns Ferry, ID
  • 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 3min

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

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Average sunshine days in August
Glenns Ferry, ID

Average sunshine days in August - Glenns Ferry, ID
  • Average sunshine days in August: 23.9 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (16.5 days).

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Average UV index in August
Glenns Ferry, ID

Average UV index in August - Glenns Ferry, ID
  • 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, November and December (UV index 2).

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Average cloud cover in August
Glenns Ferry, ID

Average cloud cover in August - Glenns Ferry, ID
  • Average cloud cover in August: 9

The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in August
Glenns Ferry, ID

Average visibility in August - Glenns Ferry, ID
  • 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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Glenns Ferry, Idaho, USA

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