August weather forecastDeadwood, SD
August
Weather in August
August continues the pleasant summer weather trend in Deadwood. Despite a slight drop in average temperatures from last month’s high, it still registers a cozy average high temperature of 80.1°F (26.7°C). It offers the perfect balance of warm and comfortable weather for outdoor activities. Although the chances of rainfall decrease, intermittent rain showers still occur, bringing fleeting moments of respite from the summer heat. This month is also the peak time for tourism.Temperature
Deadwood's weather in August indicates an average high-temperature of a still warm 80.1°F (26.7°C), nearly consistent with the 81.9°F (27.7°C) of July. Deadwood logs a notable disparity from the daily highs during August, as the nighttime temperature lowers to an average of 58.5°F (14.7°C).Humidity
August and September, with an average relative humidity of 51%, are the least humid months in Deadwood.Rainfall
In Deadwood, in August, during 12.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Deadwood, during the entire year, the rain falls for 96.1 days and collects up to 14.02" (356mm) of precipitation.Snowfall
In Deadwood, snow does not fall in July and August.Daylight
In Deadwood, the average length of the day in August is 13h and 58min.On the first day of August in Deadwood, sunrise is at 5:43 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:32 pm MDT.
Sunshine
The month with the most sunshine in Deadwood is August, with an average of 11.7h of sunshine.UV index
In Deadwood, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Deadwood, SD
- Average high temperature in August: 80.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in August: 58.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).
Average pressure in August
Deadwood, SD
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Deadwood, SD
- Average wind speed in August: 7.6mph
The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in August
Deadwood, SD
- Average humidity in August: 51%
The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in August
Deadwood, SD
- Average rainfall in August: 1.5"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in August
Deadwood, SD
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in August
Deadwood, SD
- Average snowfall in August: 0"
The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Deadwood, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Deadwood, SD
- 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 August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in August
Deadwood, SD
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in August
Deadwood, SD
- 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, October, November and December (UV index 2).
Average cloud cover in August
Deadwood, SD
- Average cloud cover in August: 16
The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in August
Deadwood, SD
- 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).
