Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With the onset of August, a modest change to a still moderately hot 79.7°F (26.5°C) from July's 81.7°F (27.6°C) is noted in high-temperature. August is characterized by a distinct thermal shift, with nighttime lows averaging at a moderate 56.8°F (13.8°C).Humidity
The least humid month is August, with an average relative humidity of 34%.Rainfall
August is the month with the least rainfall. Rain falls for 5.7 days and accumulates 0.24" (6mm) of precipitation.Snowfall
In Hanna, snow does not fall in June through August.Daylight
The average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:40 pm MDT.
Sunshine
In August, the average sunshine is 11.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during August leads to these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the least humid month?
What is the average humidity in August?
What is the driest month?
How many days does it rain in August?
When it does not snow in Hanna?
Does it snow in August?
What is the average length of the day in August?
When are sunrise and sunset in August?
How many hours of sunshine does Hanna have in August?
What is the UV index reading in August?
Average temperature in August
Hanna, WY
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in August: 56.8°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in August
Hanna, WY
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Hanna, WY
- Average wind speed in August: 9.3mph
The windiest month (with the highest average wind speed) is November (12.4mph).
The calmest months (with the lowest average wind speed) are July and August (9.3mph).
Average humidity in August
Hanna, WY
- Average humidity in August: 34%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (34%).
Average rainfall in August
Hanna, WY
- Average rainfall in August: 0.24"
The wettest month (with the highest rainfall) is April (1.34").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in August
Hanna, WY
- Average rainfall days in August: 5.7 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Hanna, WY
- Average snowfall in August: 0"
The month with the highest snowfall is March (5.47").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Hanna, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Hanna, WY
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 11h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 5h and 54min).
Average sunshine days in August
Hanna, WY
- Average sunshine days in August: 23.6 days
The month with the most sunshine days is August (23.6 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in August
Hanna, 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
Hanna, WY
- Average cloud cover in August: 13
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in August
Hanna, WY
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Hanna, Wyoming, USA
Weather forecast for your location
2. Allow the app to use your location