July weather forecastPostville, IA
July
Weather in July
July, like June, in Postville, Iowa, is another warm summer month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 79°F (26.1°C).Temperature
With an average high-temperature of 79°F (26.1°C) and an average low-temperature of 62.2°F (16.8°C), July is the warmest month.Humidity
In July, the average relative humidity in Postville, Iowa, is 84%.Rainfall
In Postville, Iowa, in July, during 14.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Postville, Iowa, during the entire year, the rain falls for 131 days and collects up to 27.91" (709mm) of precipitation.Snowfall
June through September are months without snowfall in Postville.Daylight
In Postville, the average length of the day in July is 14h and 59min.On the first day of July in Postville, sunrise is at 5:31 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:28 pm CDT.
Sunshine
In July, the average sunshine in Postville is 9.6h.UV index
July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 6 during July morphs into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Postville, IA
- Average high temperature in July: 79°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in July: 62.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in July
Postville, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in July
Postville, IA
- Average wind speed in July: 7mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in July
Postville, IA
- Average humidity in July: 84%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (75%).
Average rainfall in July
Postville, IA
- Average rainfall in July: 2.91"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in July
Postville, IA
- Average rainfall days in July: 14.6 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in July
Postville, IA
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Postville, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Postville, IA
- 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 6min).
- Average sunshine in July: 9h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in July
Postville, IA
- Average sunshine days in July: 12.8 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in July
Postville, IA
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in July
Postville, IA
- Average cloud cover in July: 35
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in July
Postville, IA
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
