August weather forecastJackson, WY
August
Weather in August
Retaining the balm of July, August continues the warm trend, though the city experiences a slight dip in temperatures, hovering between 43.3°F (6.3°C) and 72.1°F (22.3°C). Activities promoted by warm and pleasant weather continue to entertain locals and visitors alike. August also observes minimal snowfall, just registering 0.12" (3mm). The sunny days, although subject to gradually shortening hours, enhance the experience of the many outdoor festivals centred in and around the city.Temperature
The shift into August uncovers an average high-temperature of a pleasant 72.1°F (22.3°C), subtly different from the previous month. Jackson anticipates a considerable daily temperature fluctuation in August, with low temperatures averaging a frosty 43.3°F (6.3°C).Humidity
With an average relative humidity of 50%, August is the least humid month.Rainfall
August is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.34" (34mm) of precipitation.Snowfall
January through December are months with snowfall. August is the month with the least snowfall. Snow falls for 0.5 days and accumulates 0.12" (3mm) of snow.Daylight
In August, the average length of the day is 13h and 55min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:45 pm. On the last day of August, in Jackson, sunrise is at 6:46 am and sunset at 7:59 pm MDT.
Sunshine
In August, the average sunshine is 11.4h.UV index
The average daily maximum UV index in August in Jackson is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 in August translates into these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Jackson, WY
- Average high temperature in August: 72.1°F
The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is December (21.9°F).
- Average low temperature in August: 43.3°F
The month with the highest average low temperature is July (43.5°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in August
Jackson, WY
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Jackson, WY
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).
Average humidity in August
Jackson, WY
- Average humidity in August: 50%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in August
Jackson, WY
- Average rainfall in August: 1.34"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is August (1.34").
Average rainfall days in August
Jackson, WY
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in August
Jackson, WY
- Average snowfall in August: 0.12"
The month with the highest snowfall is February (29.33").
The month with the least snowfall is August (0.12").
Average snowfall days in August
Jackson, WY
- Average snowfall days in August: 0.5 days
The month with the highest number of snowfall days is March (24.8 days).
The month with the least snowfall days is July (0.4 days).
Average daylight in August /
Average sunshine in August
Jackson, 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 24min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in August
Jackson, WY
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (3.8 days).
Average UV index in August
Jackson, WY
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in August
Jackson, WY
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in August
Jackson, WY
- Average visibility in August: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
