Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
With its high average temperature of 81°F (27.2°C) and a low of 61.3°F (16.3°C), July is regarded as the warmest month.Heat index
Throughout July, the heat index is appraised at 84.2°F (29°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Always consider that heat index estimations are for light winds and places in the shade. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In July, the average relative humidity in Roslyn is 71%.Rainfall
The month with the most rainfall is July, when the rain falls for 14.4 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
June through September are months without snowfall in Roslyn.Daylight
In July, the average length of the day in Roslyn, South Dakota, is 15h and 16min.On the first day of the month, sunrise is at 5:45 am and sunset at 9:22 pm. On the last day of July, in Roslyn, sunrise is at 6:13 am and sunset at 8:58 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10.7h of sunshine.UV index
The months with the highest UV index in Roslyn, South Dakota, are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during July leads to these instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What time of the year is the hottest in Roslyn?
What are the temperatures in Roslyn in July?
What is the average humidity in July in Roslyn?
What is the rainiest month in Roslyn?
How much does it rain in Roslyn in July?
When it does not snow in Roslyn?
What is the average length of the day in July in Roslyn?
When are sunrise and sunset in July in Roslyn?
What month has the most sunshine in Roslyn?
How long on average sun shines in July in Roslyn?
When is the highest UV index in Roslyn?
How high is the UV index in July in Roslyn?
Average temperature in July
Roslyn, SD
- Average high temperature in July: 81°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 July: 61.3°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 (5°F).
Average pressure in July
Roslyn, SD
- Average pressure in July: 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 July
Roslyn, SD
- Average wind speed in July: 8.7mph
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 July
Roslyn, SD
- Average humidity in July: 71%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).
Average rainfall in July
Roslyn, SD
- Average rainfall in July: 3.58"
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 July
Roslyn, SD
- Average rainfall days in July: 14.4 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 July
Roslyn, SD
- Average snowfall in July: 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 July
Roslyn, SD
- Average snowfall days in July: 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 July /
Average sunshine in July
Roslyn, SD
- Average daylight in July: 15h and 2min
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 July: 10h and 4min
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 July
Roslyn, SD
- Average sunshine days in July: 13.7 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 July
Roslyn, SD
- Average UV index in July: 6
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 July
Roslyn, SD
- Average cloud cover in July: 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 July
Roslyn, SD
- Average visibility in July: 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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