August weather forecastAmmon, ID
August
Weather in August
August holds onto the warmth of July, maintaining a consistent summer weather pattern. Despite the retreat of highest temperatures, the city continues to enjoy sun-soaked afternoons. Rainfall slightly increases to an average of 0.63" (16mm), offering occasional refreshment. Outdoor activities continue to be favored throughout the day. While afternoons can be notably warm, evenings are usually more comfortable, giving a perfect balance to the August weather in Ammon.Temperature
August's average high-temperature in Ammon stands at a moderately hot 84.4°F (29.1°C), showing little deviation from July's 86.2°F (30.1°C). Ammon's August nights cool down significantly from the day's heat, to an average low-temperature of 54.3°F (12.4°C).Humidity
With an average relative humidity of 35%, August is the least humid month in Ammon.Rainfall
In Ammon, in August, it is raining for 8.1 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, in Ammon, there are 84.3 rainfall days, and 6.97" (177mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Daylight
The average length of the day in August in Ammon is 13h and 55min.On the first day of the month, sunrise is at 6:18 am and sunset at 8:49 pm. On the last day of August, in Ammon, Idaho, sunrise is at 6:51 am and sunset at 8:04 pm MDT.
Sunshine
The average sunshine in August is 11.7h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during August translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ammon, ID
- Average high temperature in August: 84.4°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in August: 54.3°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in August
Ammon, ID
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Ammon, ID
- Average wind speed in August: 7.2mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in August
Ammon, ID
- Average humidity in August: 35%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (35%).
Average rainfall in August
Ammon, ID
- Average rainfall in August: 0.63"
The wettest months (with the highest rainfall) are May and September (0.83").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in August
Ammon, ID
- Average rainfall days in August: 8.1 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in August
Ammon, ID
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Ammon, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Ammon, ID
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in August
Ammon, ID
- Average sunshine days in August: 18.2 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is February (16.2 days).
Average UV index in August
Ammon, ID
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Ammon, ID
- Average cloud cover in August: 11
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in August
Ammon, ID
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
