July weather forecastCrystal Lake, IA
July
Weather in July
July, like June, in Crystal Lake, Iowa, is another warm summer month, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.6°F (17°C).Temperature
Crystal Lake experiences its highest average temperatures in July, reaching a peak of 79.3°F (26.3°C) and a minimum of 62.6°F (17°C).Humidity
In July, the average relative humidity is 83%.Rainfall
In July, in Crystal Lake, the rain falls for 16.3 days. Throughout July, 2.4" (61mm) of precipitation is accumulated. In Crystal Lake, during the entire year, the rain falls for 136.2 days and collects up to 25.39" (645mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In July, the average length of the day is 15h and 1min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:58 pm. On the last day of July, sunrise is at 6:05 am and sunset at 8:37 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 9.8h 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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during July translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Crystal Lake, IA
- Average high temperature in July: 79.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in July: 62.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in July
Crystal Lake, 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 (29.88"Hg).
Average wind speed in July
Crystal Lake, IA
- Average wind speed in July: 7.4mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in July
Crystal Lake, IA
- Average humidity in July: 83%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (70%).
Average rainfall in July
Crystal Lake, IA
- Average rainfall in July: 2.4"
The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in July
Crystal Lake, IA
- Average rainfall days in July: 16.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3 days).
Average snowfall in July
Crystal Lake, IA
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Crystal Lake, 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
Crystal Lake, 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 0min).
- Average sunshine in July: 9h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in July
Crystal Lake, IA
- Average sunshine days in July: 12.1 days
The months with the most sunshine days are October and November (17.4 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in July
Crystal Lake, 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 and December (UV index 1).
Average cloud cover in July
Crystal Lake, IA
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in July
Crystal Lake, IA
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
