July weather forecast
Massena, IA

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Weather in July

July, like June, in Massena, Iowa, is a moderately hot summer month, with an average temperature ranging between max 82.4°F (28°C) and min 65.1°F (18.4°C).

Temperature

The warmest time of the year is July, with temperatures averaging a high of 82.4°F (28°C) and a low of 65.1°F (18.4°C).

Heat index

In July, the average heat index is estimated at a tropical 89.6°F (32°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In Massena, Iowa, the average relative humidity in July is 81%.

Rainfall

In July, the rain falls for 16.9 days. Throughout July, 2.68" (68mm) of precipitation is accumulated. In Massena, Iowa, during the entire year, the rain falls for 138.2 days and collects up to 28.23" (717mm) of precipitation.

Snowfall

In Massena, snow does not fall in June through September.

Daylight

In Massena, the average length of the day in July is 14h and 48min.
On the first day of July in Massena, sunrise is at 5:50 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:36 pm CDT.

Sunshine

July has the most sunshine of the year, with an average of 10.2h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July, known for its average high temperature of 82.4°F (28°C) and an average low temperature of 65.1°F (18.4°C), is the warmest month.

How hot is it in July?

The average high-temperature, in July, in Massena, is 82.4°F (28°C), while the average low-temperature is 65.1°F (18.4°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in July?

In July, the average relative humidity is 81%.

How much does it rain in July?

In Massena, during July, the rain falls for 16.9 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow?

In Massena, snow does not fall in June through September.

How many hours of daylight does Massena have in July?

The average day length in July in Massena is 14h and 48min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:50 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:36 pm CDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.2h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 10.2h.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in July?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Massena, IA

Average temperature in July - Massena, IA
  • Average high temperature in July: 82.4°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in July: 65.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure in July
Massena, IA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in July
Massena, IA

Average wind speed in July - Massena, IA
  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in July
Massena, IA

Average humidity in July - Massena, IA
  • Average humidity in July: 81%

The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July
Massena, IA

Average rainfall in July - Massena, IA
  • Average rainfall in July: 2.68"

The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in July
Massena, IA

Average rainfall days in July - Massena, IA
  • Average rainfall days in July: 16.9 days

The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4 days).

Average snowfall in July
Massena, IA

Average snowfall in July - Massena, IA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Massena, IA

Average snowfall days in July - Massena, IA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Massena, IA

Average daylight in July / Average sunshine in July - Massena, IA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in July
Massena, IA

Average sunshine days in July - Massena, IA
  • Average sunshine days in July: 11 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (9.6 days).

Average UV index in July
Massena, IA

Average UV index in July - Massena, IA
  • Average UV index in July: 6

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

Average cloud cover in July
Massena, IA

Average cloud cover in July - Massena, IA
  • Average cloud cover in July: 30

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in July
Massena, IA

Average visibility in July - Massena, IA
  • Average visibility in July: 6mi

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

Massena, Iowa, USA

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