August weather forecastGrass Creek, WY
August
Weather in August
August, the last month of the summer in Grass Creek, is also a moderately hot month, with an average temperature varying between 52.7°F (11.5°C) and 73.9°F (23.3°C).Temperature
The arrival of August denotes a barely perceptible change in the average high-temperatures to a still warm 73.9°F (23.3°C) from July's 76.1°F (24.5°C). Throughout the month of August, Grass Creek sees a steady low-temperature average of 52.7°F (11.5°C).Humidity
In August, the average relative humidity is 44%.Rainfall
In August, the rain falls for 13.5 days. Throughout August, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 93.8 rainfall days, and 12.05" (306mm) of precipitation is accumulated.Snowfall
July and August are months without snowfall in Grass Creek, Wyoming.Daylight
In Grass Creek, the average length of the day in August is 13h and 56min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:51 pm MDT.
Sunshine
The average sunshine in August is 11.3h.UV index
In Grass Creek, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 4 in August leads to these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. 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
Grass Creek, WY
- Average high temperature in August: 73.9°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is December (27.3°F).
- Average low temperature in August: 52.7°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is December (11.8°F).
Average pressure in August
Grass Creek, WY
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Grass Creek, WY
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in August
Grass Creek, WY
- Average humidity in August: 44%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is July (43%).
Average rainfall in August
Grass Creek, WY
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.2").
Average rainfall days in August
Grass Creek, WY
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in August
Grass Creek, WY
- Average snowfall in August: 0"
The month with the highest snowfall is April (6.3").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Grass Creek, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is April (9.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Grass Creek, WY
- 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 18min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in August
Grass Creek, WY
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is January (25 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in August
Grass Creek, WY
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in August
Grass Creek, WY
- Average cloud cover in August: 19
The month with the most cloud cover is April (Cloud cover 35).
The months with the least cloud cover are July and September (Cloud cover 17).
Average visibility in August
Grass Creek, 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).
