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
In August, Roslyn notes an average high-temperature of a still moderately hot 80.1°F (26.7°C), hardly different from the preceding month. Roslyn, in August, experiences an average temperature of 58.8°F (14.9°C) at night.Humidity
In August, the average relative humidity is 67%.Rainfall
In August, in Roslyn, South Dakota, the rain falls for 12.3 days. Throughout August, 2.01" (51mm) of precipitation is accumulated. In Roslyn, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.Snowfall
In Roslyn, snow does not fall in June through September.Daylight
In August, the average length of the day in Roslyn is 14h and 3min.On the first day of August in Roslyn, sunrise is at 6:14 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:08 pm CDT.
Sunshine
In August, the average sunshine in Roslyn is 10.3h.UV index
In Roslyn, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the usual temperature for Roslyn in August?
What is the average humidity in August in Roslyn?
How much does it rain in Roslyn in August?
When it does not snow in Roslyn?
How many hours of daylight does Roslyn have in August?
When is the sunrise / sunset in August in Roslyn?
How many hours of sunshine does Roslyn have in August?
What is the UV index intensity in August in Roslyn?
Average temperature in August
Roslyn, SD
- Average high temperature in August: 80.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in August: 58.8°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 (5°F).
Average pressure in August
Roslyn, SD
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in August
Roslyn, SD
- Average wind speed in August: 8.8mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in August
Roslyn, SD
- Average humidity in August: 67%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).
Average rainfall in August
Roslyn, SD
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in August
Roslyn, SD
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in August
Roslyn, SD
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Roslyn, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Roslyn, SD
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Roslyn, SD
- Average sunshine days in August: 16.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in August
Roslyn, SD
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Roslyn, SD
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in August
Roslyn, SD
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Roslyn, South Dakota, USA
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