July weather forecastOacoma, SD
July
Weather in July
July in Oacoma, South Dakota, is a hot summer month, with an average temperature ranging between min 66.2°F (19°C) and max 88°F (31.1°C).Temperature
Oacoma's temperatures tend to reach their peak averages in July, with a high of 88°F (31.1°C) and a low of 66.2°F (19°C).Heat index
July's mean heat index is evaluated at a fiery hot 95°F (35°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
In July, the average relative humidity in Oacoma is 60%.Rainfall
In Oacoma, South Dakota, during July, the rain falls for 11.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Oacoma, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.Snowfall
In Oacoma, snow does not fall in May through September.Daylight
In Oacoma, South Dakota, the average length of the day in July is 15h and 4min.On the first day of the month, sunrise is at 5:59 am and sunset at 9:23 pm. On the last day of July, in Oacoma, South Dakota, sunrise is at 6:26 am and sunset at 9:01 pm CDT.
Sunshine
With an average of 11.4h of sunshine, July has the most sunshine of the year in Oacoma.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 6 in July transforms into this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Oacoma, SD
- Average high temperature in July: 88°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in July: 66.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in July
Oacoma, SD
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in July
Oacoma, SD
- Average wind speed in July: 9.2mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in July
Oacoma, SD
- Average humidity in July: 60%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall in July
Oacoma, SD
- Average rainfall in July: 2.28"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days in July
Oacoma, SD
- Average rainfall days in July: 11.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in July
Oacoma, SD
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Oacoma, SD
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Oacoma, SD
- Average daylight in July: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in July: 11h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in July
Oacoma, SD
- Average sunshine days in July: 15.9 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in July
Oacoma, SD
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in July
Oacoma, SD
- Average cloud cover in July: 21
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in July
Oacoma, 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).





