August weather forecastStory, WY
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Story, Wyoming, with an average temperature varying between 77.4°F (25.2°C) and 56.1°F (13.4°C).Temperature
The transition into August is marked with an average high-temperature of a still warm 77.4°F (25.2°C), showing an insignificant shift from July's 78.8°F (26°C). Throughout August, the nighttime temperature averages to a mild 56.1°F (13.4°C).Humidity
August is the least humid month, with an average relative humidity of 46%.Rainfall
In Story, Wyoming, in August, it is raining for 17.3 days, with typically 1.81" (46mm) of accumulated precipitation. In Story, during the entire year, the rain falls for 165.2 days and collects up to 21.22" (539mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
In August, the average length of the day is 13h and 59min.On the first day of August, sunrise is at 5:55 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:45 pm MDT.
Sunshine
In Story, the average sunshine in August is 11.7h.UV index
In Story, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during August translates into the following guidance:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Story, WY
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (29.1°F).
- Average low temperature in August: 56.1°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in August
Story, WY
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in August
Story, WY
- Average wind speed in August: 5.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in August
Story, WY
- Average humidity in August: 46%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).
Average rainfall in August
Story, WY
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in August
Story, WY
- Average rainfall days in August: 17.3 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in August
Story, WY
- Average snowfall in August: 0"
The month with the highest snowfall is April (8.7").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Story, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Story, WY
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- 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: 6h and 6min).
Average sunshine days in August
Story, WY
- Average sunshine days in August: 9.2 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is May (5.8 days).
Average UV index in August
Story, WY
- 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, April, October, November and December (UV index 2).
Average cloud cover in August
Story, WY
- Average cloud cover in August: 16
The months with the most cloud cover are February and April (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in August
Story, WY
- 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).
