July weather forecast
Mason City, IA

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Weather in July

July continues to bask in summer glory, maintaining the high temperatures seen in June. The highest average temperature of 79.3°F (26.3°C) marks this month as the peak of summer in Mason City. The outdoor activities continue in their stride as the sunshine duration reaches the year's maximum. The UV index remains high, reminding residents to continue taking precautions against sun exposure. The lesser rainfall compared to June results in drier conditions, making it a popular month for vacations and outdoor events.

Temperature

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

Humidity

The average relative humidity in July is 83%.

Rainfall

In Mason City, during July, the rain falls for 17.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 145.9 rainfall days, and 28.82" (732mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 15h and 0min.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:56 pm. On the last day of July, sunrise is at 6:03 am and sunset at 8:35 pm CDT.

Sunshine

With an average of 9.8h of sunshine, July has the most sunshine of the year.

UV index

The average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in July transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

The warmest period is July, when temperatures fluctuate between an average high of 79.3°F (26.3°C) and a low of 62.6°F (17°C).

What are the temperatures in July?

The high-temperature, in July, in Mason City, is 79.3°F (26.3°C), while the low-temperature averages to 62.6°F (17°C).

What is the average humidity in July?

The average relative humidity in July is 83%.

How much does it rain in July?

In Mason City, during July, the rain falls for 17.8 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow?

In Mason City, snow does not fall in June through September.

What is the average length of the day in July?

The average day length in July is 15h and 0min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:37 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:35 pm CDT.

What month has the most sunshine?

With an average of 9.8h of sunshine, July has the most sunshine of the year in Mason City.

How many hours of sunshine does Mason City have in July?

In Mason City, the average sunshine duration in July is 9.8h.

How high is the UV index in July?

The average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Mason City, IA

Average temperature in July - Mason City, 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 (22.3°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
Mason City, IA

Average pressure in July - Mason City, 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
Mason City, IA

Average wind speed in July - Mason City, IA
  • Average wind speed in July: 7.3mph

The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average humidity in July
Mason City, IA

Average humidity in July - Mason City, 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
Mason City, IA

Average rainfall in July - Mason City, IA
  • Average rainfall in July: 2.68"

The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in July
Mason City, IA

Average rainfall days in July - Mason City, IA
  • Average rainfall days in July: 17.8 days

The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in July
Mason City, IA

Average snowfall in July - Mason City, IA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Mason City, IA

Average snowfall days in July - Mason City, IA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Mason City, IA

Average daylight in July / Average sunshine in July - Mason City, 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: 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
Mason City, IA

Average sunshine days in July - Mason City, IA
  • Average sunshine days in July: 9.6 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (8 days).

Average UV index in July
Mason City, IA

Average UV index in July - Mason City, IA
  • Average UV index in July: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in July
Mason City, IA

Average cloud cover in July - Mason City, IA
  • Average cloud cover in July: 34

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
Mason City, IA

Average visibility in July - Mason City, IA
  • Average visibility in July: 5mi

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

Mason City, Iowa, USA

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