August weather forecastKirby, WY
August
Weather in August
August, the last month of the summer in Kirby, is another warm month, with an average temperature varying between 81.9°F (27.7°C) and 60.3°F (15.7°C).Temperature
The transition from July to August sees an average high-temperature of a still warm 81.9°F (27.7°C), indicating a minor variance from the prior month. Kirby reports a significant contrast between daytime and nighttime temperatures, with an average low of 60.3°F (15.7°C) in August.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 35%.Rainfall
In Kirby, during August, the rain falls for 14.5 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 117.2 rainfall days, and 11.14" (283mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Daylight
The average length of the day in August is 13h and 56min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:35 pm. On the last day of August, in Kirby, sunrise is at 6:36 am and sunset at 7:49 pm MDT.
Sunshine
In August, the average sunshine in Kirby, Wyoming, is 11.8h.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 5 in August transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Kirby, WY
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.2°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in August
Kirby, WY
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Kirby, WY
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in August
Kirby, WY
- Average humidity in August: 35%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in August
Kirby, WY
- Average rainfall in August: 1.02"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in August
Kirby, WY
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (4.3 days).
Average snowfall in August
Kirby, WY
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Kirby, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Kirby, 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 48min
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 12min).
Average sunshine days in August
Kirby, WY
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in August
Kirby, 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, November and December (UV index 2).
Average cloud cover in August
Kirby, WY
- Average cloud cover in August: 14
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in August
Kirby, WY
- 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).





