July weather forecastLong Valley, SD
July
Weather in July
July is a tropical summer month in Long Valley, South Dakota, with an average temperature fluctuating between 89.2°F (31.8°C) and 68.5°F (20.3°C).Temperature
July, on average, is the warmest month, registering a high temperature of 89.2°F (31.8°C) and a low of 68.5°F (20.3°C).Heat index
The heat index value during July is appraised at a hot 93.2°F (34°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In July, the average relative humidity is 49%.Rainfall
In Long Valley, during July, the rain falls for 12.4 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, in Long Valley, there are 95.3 rainfall days, and 13.74" (349mm) of precipitation is accumulated.Snowfall
In Long Valley, snow does not fall in June through September.Daylight
In July, the average length of the day is 15h and 2min.On the first day of the month, sunrise is at 5:09 am and sunset at 8:30 pm. On the last day of July, sunrise is at 5:35 am and sunset at 8:09 pm MDT.
Sunshine
The average sunshine in July is 11.6h.UV index
The month with the highest UV index in Long Valley is July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 7 during July, leads to the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Long Valley, SD
- Average high temperature in July: 89.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in July: 68.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in July
Long Valley, SD
- Average pressure in July: 29.9"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Long Valley, SD
- Average wind speed in July: 10.3mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).
Average humidity in July
Long Valley, SD
- Average humidity in July: 49%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).
Average rainfall in July
Long Valley, SD
- Average rainfall in July: 1.81"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in July
Long Valley, SD
- Average rainfall days in July: 12.4 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in July
Long Valley, SD
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Long Valley, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Long Valley, SD
- Average daylight in July: 15h and 0min
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 36min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in July
Long Valley, SD
- Average sunshine days in July: 15.5 days
The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).
Average UV index in July
Long Valley, SD
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Long Valley, SD
- Average cloud cover in July: 18
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in July
Long 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).
