August weather forecastSheridan, CO
August
Weather in August
August, the last month of the summer in Sheridan, is also a moderately hot month, with an average temperature fluctuating between 85.5°F (29.7°C) and 59.5°F (15.3°C).Temperature
August records an average high-temperature of a warm 85.5°F (29.7°C), indicating a minor variation from the preceding month. A noticeable temperature swing characterizes Sheridan's August nights, dipping to an average of 59.5°F (15.3°C).Heat index
The average heat index in August is estimated at 84.2°F (29°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
June and August, with an average relative humidity of 41%, are the least humid months.Rainfall
In Sheridan, during August, the rain falls for 9.5 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 80.2 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Snowfall
In Sheridan, snow does not fall in June through September.Daylight
In Sheridan, the average length of the day in August is 13h and 41min.On the first day of August, sunrise is at 6:00 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:32 pm MDT.
Sunshine
In Sheridan, the average sunshine in August is 11.8h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Resist overexposure. Safeguarding from solar damage is indispensable. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sheridan, CO
- Average high temperature in August: 85.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in August
Sheridan, CO
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in August
Sheridan, CO
- Average wind speed in August: 6.1mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in August
Sheridan, CO
- Average humidity in August: 41%
The month with the highest relative humidity is February (64%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in August
Sheridan, CO
- Average rainfall in August: 0.79"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in August
Sheridan, CO
- Average rainfall days in August: 9.5 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in August
Sheridan, CO
- Average snowfall in August: 0"
The month with the highest snowfall is April (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Sheridan, CO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Sheridan, CO
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 48min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in August
Sheridan, CO
- Average sunshine days in August: 17 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (14 days).
Average UV index in August
Sheridan, CO
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Sheridan, CO
- Average cloud cover in August: 16
The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in August
Sheridan, CO
- 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).





