Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
In Union, Iowa, July is the warmest month, with temperatures averaging a high of 79.9°F (26.6°C) and a low of 63.9°F (17.7°C).Humidity
In July, the average relative humidity is 84%.Rainfall
In Union, in July, during 11.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Union, during the entire year, the rain falls for 83.5 days and collects up to 6.5" (165mm) of precipitation.Snowfall
In Union, snow does not fall in May through September.Daylight
The average length of the day in July is 14h and 54min.On the first day of July, sunrise is at 5:40 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:32 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 10h of sunshine.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 6 in July translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
What are the temperatures in July?
What is the average humidity in July?
How much does it rain in July?
When it does not snow in Union?
How many hours of daylight does Union have in July?
What time are sunrise and sunset in July in Union?
What month has the most sunshine?
How long on average sun shines in July?
When is the highest UV index?
What is the UV index intensity in July?
Average temperature in July
Union, IA
- Average high temperature in July: 79.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in July: 63.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in July
Union, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in July
Union, IA
- Average wind speed in July: 7.1mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in July
Union, IA
- Average humidity in July: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Union, IA
- Average rainfall in July: 0.75"
The wettest month (with the highest rainfall) is May (1.06").
The driest months (with the least rainfall) are January and February (0.24").
Average rainfall days in July
Union, IA
- Average rainfall days in July: 11.3 days
The month with the highest number of rainy days is May (11.6 days).
The months with the least rainy days are January and February (2 days).
Average snowfall in July
Union, IA
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Union, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Union, IA
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in July
Union, IA
- Average sunshine days in July: 16.4 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is June (15.8 days).
Average UV index in July
Union, IA
- 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, October, November and December (UV index 2).
Average cloud cover in July
Union, IA
- Average cloud cover in July: 32
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in July
Union, IA
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Union, Iowa, USA
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