July weather forecastArmour, SD
July
Weather in July
According to the data, July is the warmest month in Armour, with an average high temperature reaching 86.5°F (30.3°C). With this substantial increase in temperature, it is the quintessential summer month. Concerts, festivals, and barbeques become common affairs under the city's blue summer skies. An array of water-based activities becomes feasible given the temperature rise. The ambiance of the city, vibrant and full of warmth, truly exemplifies the essence of a South Dakota summer.Temperature
The temperatures reach their highest averages in July, with highs of 86.5°F (30.3°C) and lows of 65.7°F (18.7°C).Heat index
Throughout July, the heat index is estimated at a torrid 95°F (35°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In July, the average relative humidity is 67%.Rainfall
In Armour, South Dakota, in July, during 12.4 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Armour, during the entire year, the rain falls for 104.1 days and collects up to 14.29" (363mm) of precipitation.Snowfall
In Armour, snow does not fall in May through September.Daylight
In Armour, South Dakota, the average length of the day in July is 15h and 1min.On the first day of July, sunrise is at 5:57 am and sunset at 9:17 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:56 pm CDT.
Sunshine
The month with the most sunshine in Armour, South Dakota, is July, with an average of 11.1h of sunshine.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 unprotected exposure to Sun's UV rays for the average person.Note: In July, the maximum UV index of 6 suggests this advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Armour, SD
- Average high temperature in July: 86.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in July: 65.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in July
Armour, SD
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Armour, SD
- Average wind speed in July: 8.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in July
Armour, SD
- Average humidity in July: 67%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).
Average rainfall in July
Armour, SD
- Average rainfall in July: 1.73"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in July
Armour, SD
- Average rainfall days in July: 12.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in July
Armour, SD
- Average snowfall in July: 0"
The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Armour, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Armour, 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 0min).
- Average sunshine in July: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in July
Armour, SD
- Average sunshine days in July: 14.6 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in July
Armour, 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
Armour, SD
- Average cloud cover in July: 23
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in July
Armour, 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).





