July weather forecastRapid Valley, SD
July
Weather in July
July, like June, in Rapid Valley, South Dakota, is a moderately hot summer month, with an average temperature varying between 84.7°F (29.3°C) and 63.3°F (17.4°C).Temperature
With average high temperatures of 84.7°F (29.3°C) and lows of 63.3°F (17.4°C), July is the warmest month.Heat index
July's average heat index is estimated at a tropical 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. 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 in Rapid Valley is 52%.Rainfall
In Rapid Valley, in July, during 13.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Rapid Valley, during the entire year, the rain falls for 118.8 days and collects up to 15.39" (391mm) of precipitation.Snowfall
June through August are months without snowfall in Rapid Valley.Daylight
The average length of the day in July is 15h and 6min.On the first day of July, sunrise is at 5:13 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:17 pm MDT.
Sunshine
In July, the average sunshine is 11.7h.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 during July translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. 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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rapid Valley, SD
- Average high temperature in July: 84.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in July: 63.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in July
Rapid Valley, SD
- Average pressure in July: 29.9"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in July
Rapid Valley, SD
- Average wind speed in July: 8.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in July
Rapid Valley, SD
- Average humidity in July: 52%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).
Average rainfall in July
Rapid Valley, SD
- Average rainfall in July: 2.05"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in July
Rapid Valley, SD
- Average rainfall days in July: 13.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in July
Rapid Valley, SD
- Average snowfall in July: 0"
The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Rapid Valley, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Rapid Valley, 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: 8h and 54min).
- Average sunshine in July: 11h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in July
Rapid Valley, SD
- Average sunshine days in July: 13.8 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index in July
Rapid Valley, 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, February, November and December (UV index 2).
Average cloud cover in July
Rapid Valley, SD
- Average cloud cover in July: 18
The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in July
Rapid Valley, 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).
