July weather forecastAlcester, SD
July
Weather in July
July, like June, in Alcester, South Dakota, is a moderately hot summer month, with an average temperature fluctuating between 83.3°F (28.5°C) and 64.2°F (17.9°C).Temperature
The warmest temperatures occur during July, when averages reach a peak of 83.3°F (28.5°C) and a low of 64.2°F (17.9°C).Heat index
The average heat index in July is evaluated at a hot 89.6°F (32°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
In July, the average relative humidity is 75%.Rainfall
In Alcester, during July, the rain falls for 10.6 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Alcester, during the entire year, the rain falls for 97.4 days and collects up to 11.89" (302mm) of precipitation.Snowfall
In Alcester, snow does not fall in June through September.Daylight
In July, the average length of the day in Alcester is 14h and 59min.On the first day of the month, sunrise is at 5:51 am and sunset at 9:09 pm. On the last day of July, in Alcester, sunrise is at 6:17 am and sunset at 8:48 pm CDT.
Sunshine
With an average of 10.7h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during July leads to these advisories:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Alcester, SD
- Average high temperature in July: 83.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in July: 64.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in July
Alcester, SD
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in July
Alcester, SD
- Average wind speed in July: 7.8mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in July
Alcester, SD
- Average humidity in July: 75%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (66%).
Average rainfall in July
Alcester, SD
- Average rainfall in July: 1.02"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are February and November (0.31").
Average rainfall days in July
Alcester, SD
- Average rainfall days in July: 10.6 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in July
Alcester, SD
- Average snowfall in July: 0"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Alcester, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Alcester, SD
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in July: 10h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in July
Alcester, SD
- Average sunshine days in July: 17.9 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in July
Alcester, SD
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Alcester, SD
- Average cloud cover in July: 26
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in July
Alcester, SD
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





