August weather forecastStar, ID
August
Weather in August
The last month of the summer, August, is another hot month in Star, Idaho, with an average temperature fluctuating between 87.4°F (30.8°C) and 61.3°F (16.3°C).Temperature
Star transitions into August recording an average high-temperature of a still hot 87.4°F (30.8°C), closely aligning with the preceding month's temperature. August nights report a substantial dip from daytime highs to an average of 61.3°F (16.3°C).Humidity
July and August, with an average relative humidity of 31%, are the least humid months.Rainfall
In Star, in August, it is raining for 4.3 days, with typically 0.24" (6mm) of accumulated precipitation. In Star, Idaho, during the entire year, the rain falls for 118.3 days and collects up to 14.13" (359mm) of precipitation.Snowfall
In Star, Idaho, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 56min.On the first day of August, sunrise is at 6:35 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:22 pm MDT.
Sunshine
In Star, the average sunshine in August is 11.4h.UV index
In Star, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 in August translates into these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Star, ID
- Average high temperature in August: 87.4°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (35.1°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in August
Star, ID
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in August
Star, ID
- Average wind speed in August: 5.1mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in August
Star, ID
- Average humidity in August: 31%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in August
Star, ID
- Average rainfall in August: 0.24"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in August
Star, ID
- Average rainfall days in August: 4.3 days
The month with the highest number of rainy days is March (17 days).
The month with the least rainy days is July (4 days).
Average snowfall in August
Star, ID
- Average snowfall in August: 0"
The month with the highest snowfall is December (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Star, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Star, 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 24min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in August
Star, ID
- Average sunshine days in August: 22.2 days
The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in August
Star, ID
- Average UV index in August: 5
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).
Average cloud cover in August
Star, ID
- Average cloud cover in August: 9
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in August
Star, 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).





