July weather forecastShelby, IA
July
Weather in July
July, like June, in Shelby, Iowa, is another warm summer month, with an average temperature ranging between min 65.1°F (18.4°C) and max 82.9°F (28.3°C).Temperature
July is the warmest month, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.1°F (18.4°C).Heat index
The heat index for July is estimated at a hot 91.4°F (33°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Understand that the heat index values take into account shaded locations and mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In Shelby, the average relative humidity in July is 80%.Rainfall
In July, the rain falls for 13.5 days. Throughout July, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Shelby, there are 127.7 rainfall days, and 26.57" (675mm) of precipitation is accumulated.Snowfall
In Shelby, snow does not fall in June through September.Daylight
The average length of the day in July is 14h and 50min.On the first day of July, sunrise is at 5:52 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:40 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 10.4h 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 of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Shelby, IA
- Average high temperature in July: 82.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in July: 65.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in July
Shelby, IA
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in July
Shelby, IA
- Average wind speed in July: 7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in July
Shelby, IA
- Average humidity in July: 80%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).
Average rainfall in July
Shelby, IA
- Average rainfall in July: 2.2"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in July
Shelby, IA
- 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 February (3.6 days).
Average snowfall in July
Shelby, IA
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Shelby, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Shelby, IA
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in July
Shelby, IA
- Average sunshine days in July: 13.9 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in July
Shelby, IA
- 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, October, November and December (UV index 2).
Average cloud cover in July
Shelby, IA
- Average cloud cover in July: 27
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in July
Shelby, IA
- 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).





