July weather forecast
Rock Falls, IA

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Weather in July

July, the same as June, is another warm summer month in Rock Falls, Iowa, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 79.3°F (26.3°C).

Temperature

July, with an average high of 79.3°F (26.3°C) and a low of 62.6°F (17°C), signifies the warmest month of the year.

Humidity

In Rock Falls, the average relative humidity in July is 83%.

Rainfall

In Rock Falls, during July, the rain falls for 14.7 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Rock Falls, during the entire year, the rain falls for 129.5 days and collects up to 25.98" (660mm) of precipitation.

Snowfall

In Rock Falls, snow does not fall in June through September.

Daylight

The average length of the day in July in Rock Falls is 15h and 1min.
On the first day of July, sunrise is at 5:36 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:34 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 9.7h 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 threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in July leads to these guidelines:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Rock Falls?

With an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.6°F (17°C), July is the warmest month in Rock Falls.

What is the temperature in July in Rock Falls?

Rock Falls in July has an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.6°F (17°C).

What is the average humidity in July in Rock Falls?

In Rock Falls, the average relative humidity in July is 83%.

How much does it rain in Rock Falls in July?

In July, in Rock Falls, Iowa, the rain falls for 14.7 days. Throughout July, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Rock Falls?

In Rock Falls, Iowa, snow does not fall in June through September.

How many hours of daylight does Rock Falls have in July?

In July, the average day length in Rock Falls is 15h and 1min.

When is the sunrise / sunset in July in Rock Falls?

In July, on the first day of the month, sunrise is at 5:36 am and sunset at 8:56 pm. On the last day of the month, in Rock Falls, Iowa, sunrise is at 6:02 am and sunset at 8:34 pm CDT.

What is the month with the most sunshine in Rock Falls?

The months with the most sunshine are July and August, with an average of 9.7h of sunshine.

How long on average sun shines in July in Rock Falls?

In July, the average sunshine duration in Rock Falls is 9.7h.

What are the months with the highest UV index in Rock Falls?

The months with the highest UV index in Rock Falls, Iowa, are June and July, with an average maximum UV index of 6.

What is the UV index reading in July in Rock Falls?

In July, the average daily maximum UV index in Rock Falls is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Rock Falls, IA

Average temperature in July - Rock Falls, 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 (22.5°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 (10°F).

Average pressure in July
Rock Falls, IA

Average pressure in July - Rock Falls, IA
  • Average pressure in July: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in July
Rock Falls, IA

Average wind speed in July - Rock Falls, IA
  • Average wind speed in July: 7.2mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in July
Rock Falls, IA

Average humidity in July - Rock Falls, 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 (71%).

Average rainfall in July
Rock Falls, IA

Average rainfall in July - Rock Falls, IA
  • Average rainfall in July: 2.48"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in July
Rock Falls, IA

Average rainfall days in July - Rock Falls, IA
  • Average rainfall days in July: 14.7 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3 days).

Average snowfall in July
Rock Falls, IA

Average snowfall in July - Rock Falls, IA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Rock Falls, IA

Average snowfall days in July - Rock Falls, IA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Rock Falls, IA

Average daylight in July / Average sunshine in July - Rock Falls, 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 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in July
Rock Falls, IA

Average sunshine days in July - Rock Falls, IA
  • Average sunshine days in July: 12.9 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in July
Rock Falls, IA

Average UV index in July - Rock Falls, 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
Rock Falls, IA

Average cloud cover in July - Rock Falls, IA
  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in July
Rock Falls, IA

Average visibility in July - Rock Falls, IA
  • Average visibility in July: 5mi

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).

Rock Falls, Iowa, USA

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