July weather forecastSperry, IA
July
Weather in July
July, the same as June, is another warm summer month in Sperry, Iowa, with an average temperature varying between 65.5°F (18.6°C) and 82.4°F (28°C).Temperature
With an average high-temperature of 82.4°F (28°C) and an average low-temperature of 65.5°F (18.6°C), July is the warmest month.Heat index
During July, the heat index is computed to be a hot 91.4°F (33°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The most humid month is July, with an average relative humidity of 83%.Rainfall
In Sperry, in July, during 15 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Sperry, there are 130.4 rainfall days, and 21.81" (554mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In July, the average length of the day is 14h and 46min.On the first day of July in Sperry, Iowa, sunrise is at 5:36 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:21 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10.1h of sunshine.UV index
The months with the highest UV index in Sperry are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 6 in July translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Sperry, IA
- Average high temperature in July: 82.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in July: 65.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in July
Sperry, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Sperry, IA
- Average wind speed in July: 6.8mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in July
Sperry, IA
- Average humidity in July: 83%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in July
Sperry, IA
- Average rainfall in July: 2.2"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in July
Sperry, IA
- Average rainfall days in July: 15 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in July
Sperry, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Sperry, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (10 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
Sperry, 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 18min).
- Average sunshine in July: 10h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in July
Sperry, IA
- Average sunshine days in July: 12.4 days
The months with the most sunshine days are October and December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in July
Sperry, IA
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in July
Sperry, IA
- Average cloud cover in July: 31
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in July
Sperry, IA
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





