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
Grenville registers the highest average temperatures during the month of July, with peaks of 81°F (27.2°C) and lows of 61.3°F (16.3°C).Heat index
July's heat index is appraised at 84.2°F (29°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The average relative humidity in July is 71%.Rainfall
The month with the most rainfall in Grenville 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.Daylight
In Grenville, the average length of the day in July is 15h and 16min.On the first day of the month, sunrise is at 5:45 am and sunset at 9:21 pm. On the last day of July, in Grenville, sunrise is at 6:13 am and sunset at 8:58 pm CDT.
Sunshine
The month with the most sunshine in Grenville is July, 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 risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 6 during July, leads to the following recommendations:
Fend off overexposure. Sun protection is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are the warmest months in Grenville?
What is the average July temperature in Grenville?
What is the average humidity in July in Grenville?
What is the wettest month in Grenville?
How much does it rain in Grenville in July?
When it does not snow in Grenville?
What is the average length of the day in July in Grenville?
What time are sunrise and sunset in July in Grenville?
What month has the most sunshine in Grenville?
How long on average sun shines in July in Grenville?
What is the month with the highest UV index in Grenville?
What is the UV index reading in July in Grenville?
Average temperature in July
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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
Grenville, 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).
Grenville, South Dakota, USA
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