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
July
Weather in July
Temperature
Erwin's July weather, marked by an average high temperature of 80.8°F (27.1°C) and an average low temperature of 60.8°F (16°C), is the warmest in the year.Heat index
For most parts of July, the heat index is computed to be 84.2°F (29°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
The average relative humidity in July is 73%.Rainfall
In Erwin, South Dakota, in July, during 14.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, in Erwin, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Erwin.Daylight
In Erwin, the average length of the day in July is 15h and 9min.On the first day of July, sunrise is at 5:49 am and sunset at 9:18 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:55 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 6 in July leads to these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Erwin?
What is the temperature in July in Erwin?
What is the average humidity in July in Erwin?
How many days does it rain in July in Erwin?
When it does not snow in Erwin?
How many hours of daylight does Erwin have in July?
When is the sunrise / sunset in July in Erwin?
What month has the most sunshine in Erwin?
How many hours of sunshine does Erwin have in July?
What are the months with the highest UV index in Erwin?
What is the UV index reading in July in Erwin?
Average temperature in July
Erwin, SD
- Average high temperature in July: 80.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in July: 60.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in July
Erwin, SD
- Average pressure in July: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Erwin, SD
- Average wind speed in July: 8.5mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in July
Erwin, SD
- Average humidity in July: 73%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in July
Erwin, SD
- Average rainfall in July: 2.91"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in July
Erwin, SD
- Average rainfall days in July: 14.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in July
Erwin, SD
- Average snowfall in July: 0"
The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Erwin, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Erwin, SD
- Average daylight in July: 15h and 1min
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 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 36min).
Average sunshine days in July
Erwin, SD
- Average sunshine days in July: 13.8 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in July
Erwin, 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 and December (UV index 1).
Average cloud cover in July
Erwin, SD
- Average cloud cover in July: 28
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Erwin, SD
- Average visibility in July: 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).