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
With average high temperatures of 79.3°F (26.3°C) and lows of 62.6°F (17°C), July is the warmest month.Humidity
The average relative humidity in July in Crystal Lake, Iowa, is 83%.Rainfall
In Crystal Lake, during July, the rain falls for 16.3 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 136.2 rainfall days, and 25.39" (645mm) of precipitation is accumulated.Snowfall
In Crystal Lake, snow does not fall in June through September.Daylight
In July, the average length of the day in Crystal Lake, Iowa, 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, in Crystal Lake, sunrise is at 6:05 am and sunset at 8:37 pm CDT.
Sunshine
July has the most sunshine of the year in Crystal Lake, 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 in Crystal Lake. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In July, the maximum UV index of 6 suggests this advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What month is the hottest in Crystal Lake?
What are the temperatures in Crystal Lake in July?
What is the average humidity in July in Crystal Lake?
How many days does it rain in July in Crystal Lake?
When it does not snow in Crystal Lake?
What is the average length of the day in July in Crystal Lake?
When are sunrise and sunset in July in Crystal Lake?
What month has the most sunshine in Crystal Lake?
How many hours of sunshine does Crystal Lake have in July?
What is the month with the highest UV index in Crystal Lake?
How high is the UV index in July in Crystal Lake?
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 5min
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).
Crystal Lake, Iowa, USA
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