August weather forecast
Herman, ID

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Weather in August

The last month of the summer, August, is another warm month in Herman, Idaho, with an average temperature fluctuating between 45.3°F (7.4°C) and 76.5°F (24.7°C).

Temperature

The onset of August notes an average high-temperature of a still moderately hot 76.5°F (24.7°C), subtly shifted from July's 77.5°F (25.3°C). In August, the temperature sees a substantial plunge from daytime highs to a low average of 45.3°F (7.4°C).

Humidity

August is the least humid month, with an average relative humidity of 46%.

Rainfall

In Herman, during August, the rain falls for 10.6 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 127 rainfall days, and 24.29" (617mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 53min.
On the first day of August, sunrise is at 6:17 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 8:01 pm MDT.

Sunshine

In Herman, Idaho, the average sunshine in August is 11.7h.

UV index

The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 4 in August translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Herman in August?

In August, the average high-temperature and low-temperature are 76.5°F (24.7°C) and 45.3°F (7.4°C) respectively.

What is the least humid month in Herman?

The least humid month in Herman is August, with an average relative humidity of 46%.

What is the average humidity in August?

The average relative humidity in August is 46%.

How many days does it rain in August?

In Herman, in August, during 10.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When it does not snow?

July and August are months without snowfall.

Does it snow in August?

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

What is the average length of the day in August?

In Herman, the average day length in August is 13h and 53min.

When is the sunrise / sunset in August in Herman?

On the first day of August, sunrise is at 6:17 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 8:01 pm MDT.

How long on average sun shines in August?

In August, the average sunshine duration is 11.7h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Herman, ID

Average temperature in August - Herman, ID
  • Average high temperature in August: 76.5°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (24.3°F).

  • Average low temperature in August: 45.3°F

The months with the highest average low temperature are July and August (45.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

Average pressure in August
Herman, ID

Average pressure in August - Herman, ID
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Herman, ID

Average wind speed in August - Herman, ID
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

Average humidity in August
Herman, ID

Average humidity in August - Herman, ID
  • Average humidity in August: 46%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (46%).

Average rainfall in August
Herman, ID

Average rainfall in August - Herman, ID
  • Average rainfall in August: 0.94"

The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.91").

Average rainfall days in August
Herman, ID

Average rainfall days in August - Herman, ID
  • Average rainfall days in August: 10.6 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.6 days).

Average snowfall in August
Herman, ID

Average snowfall in August - Herman, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is February (22.91").
The months with the least snowfall are July and August (0").

Average snowfall days in August
Herman, ID

Average snowfall days in August - Herman, ID
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are February and December (22.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in August /
Average sunshine in August
Herman, ID

Average daylight in August / Average sunshine in August - Herman, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in August
Herman, ID

Average sunshine days in August - Herman, ID
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (5.3 days).

Average UV index in August
Herman, ID

Average UV index in August - Herman, ID
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in August
Herman, ID

Average cloud cover in August - Herman, ID
  • Average cloud cover in August: 13

The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in August
Herman, ID

Average visibility in August - Herman, ID
  • Average visibility in August: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).

Herman, Idaho, USA

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