July weather forecastHartley, IA
July
Weather in July
July, the same as June, is a moderately hot summer month in Hartley, Iowa, with an average temperature varying between 80.2°F (26.8°C) and 63.1°F (17.3°C).Temperature
July proves to be the warmest month, recording an average peak temperature of 80.2°F (26.8°C) and a minimum temperature of 63.1°F (17.3°C).Humidity
In July, the average relative humidity is 80%.Rainfall
In Hartley, Iowa, during July, the rain falls for 11.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Hartley, during the entire year, the rain falls for 95.2 days and collects up to 9.25" (235mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July is 15h and 0min.On the first day of the month, sunrise is at 5:46 am and sunset at 9:05 pm. On the last day of July, in Hartley, sunrise is at 6:12 am and sunset at 8:44 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10.4h 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 value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In July, an average UV index of 6 transforms into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Hartley, IA
- Average high temperature in July: 80.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in July: 63.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in July
Hartley, 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
Hartley, IA
- Average wind speed in July: 7.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in July
Hartley, IA
- Average humidity in July: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in July
Hartley, IA
- Average rainfall in July: 0.83"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in July
Hartley, IA
- Average rainfall days in July: 11.4 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2 days).
Average snowfall in July
Hartley, IA
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Hartley, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Hartley, 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: 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 0min).
Average sunshine days in July
Hartley, IA
- Average sunshine days in July: 16.1 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in July
Hartley, 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 and November (UV index 1).
Average cloud cover in July
Hartley, IA
- Average cloud cover in July: 30
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in July
Hartley, IA
- 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).





