August weather forecastSummit, UT
August
Weather in August
August, the last month of the summer in Summit, is another warm month, with an average temperature varying between 57.4°F (14.1°C) and 79.2°F (26.2°C).Temperature
As Summit welcomes August, the average high-temperature records at a still warm 79.2°F (26.2°C), marking an insignificant deviation from the prior month. Summit demonstrates a significant disparity from daytime highs throughout the month of August, with an average nighttime temperature of 57.4°F (14.1°C).Humidity
In August, the average relative humidity is 38%.Rainfall
In Summit, in August, during 9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Summit, during the entire year, the rain falls for 78.4 days and collects up to 11.61" (295mm) of precipitation.Snowfall
In Summit, snow does not fall in June through September.Daylight
In Summit, the average length of the day in August is 13h and 35min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:40 pm. On the last day of August, sunrise is at 7:01 am and sunset at 8:01 pm MDT.
Sunshine
June and August, with an average of 11.8h of sunshine, are months with the most sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during August leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Summit, UT
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The months with the lowest average high temperature are January and December (35.4°F).
- Average low temperature in August: 57.4°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in August
Summit, UT
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in August
Summit, UT
- Average wind speed in August: 6.1mph
The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in August
Summit, UT
- Average humidity in August: 38%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (27%).
Average rainfall in August
Summit, UT
- Average rainfall in August: 1.02"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in August
Summit, UT
- Average rainfall days in August: 9 days
The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is June (2.7 days).
Average snowfall in August
Summit, UT
- Average snowfall in August: 0"
The month with the highest snowfall is December (8.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Summit, UT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Summit, UT
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 11h and 48min
The months with the most sunshine are June and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in August
Summit, UT
- Average sunshine days in August: 16.8 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (16 days).
Average UV index in August
Summit, UT
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Summit, UT
- Average cloud cover in August: 10
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in August
Summit, UT
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
