August weather forecastHerman, ID
August
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 13h and 54min
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 42min
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: 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: 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: 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: 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).
