July weather forecast
Marysville, IA

Share

Weather in July

July, like June, in Marysville, Iowa, is another warm summer month, with an average temperature fluctuating between 65.5°F (18.6°C) and 82.8°F (28.2°C).

Temperature

In Marysville, July is identified by the highest average temperatures, reaching a peak of 82.8°F (28.2°C) and a low of 65.5°F (18.6°C).

Heat index

The heat index value during July is evaluated at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In Marysville, the average relative humidity in July is 82%.

Rainfall

In July, in Marysville, the rain falls for 13.3 days. Throughout July, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in Marysville, there are 115.3 rainfall days, and 13.31" (338mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in July in Marysville is 14h and 48min.
On the first day of July, sunrise is at 5:43 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:29 pm CDT.

Sunshine

The month with the most sunshine is July, with an average of 10.5h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Marysville. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun 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.
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 Marysville?

July registers as the month with the average highest temperatures, reaching 82.8°F (28.2°C) at its peak and 65.5°F (18.6°C) at the lowest.

How hot is it in Marysville in July?

The high-temperature during July is 82.8°F (28.2°C) and the low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in July is evaluated at 91.4°F (33°C).

What is the average humidity in July in Marysville?

In July, the average relative humidity in Marysville, Iowa, is 82%.

How many days does it rain in July in Marysville?

In Marysville, during July, the rain falls for 13.3 days and regularly aggregates up to 1.34" (34mm) of precipitation.

When it does not snow in Marysville?

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

What is the average length of the day in July in Marysville?

In July, the average day length is 14h and 48min.

When is the sunrise / sunset in July in Marysville?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 8:48 pm. On the last day of the month, in Marysville, sunrise is at 6:07 am and sunset at 8:29 pm CDT.

What month has the most sunshine in Marysville?

The month with the most sunshine in Marysville, Iowa, is July, with an average of 10.5h of sunshine.

How long on average sun shines in July in Marysville?

The average sunshine duration in July is 10.5h.

What are the months with the highest UV index in Marysville?

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

How high is the UV index in July in Marysville?

In Marysville, Iowa, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
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
Marysville, IA

Average temperature in July - Marysville, IA
  • Average high temperature in July: 82.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in July: 65.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in July
Marysville, IA

Average pressure in July - Marysville, 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 (29.89"Hg).

Average wind speed in July
Marysville, IA

Average wind speed in July - Marysville, IA
  • Average wind speed in July: 7mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in July
Marysville, IA

Average humidity in July - Marysville, IA
  • Average humidity in July: 82%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
Marysville, IA

Average rainfall in July - Marysville, IA
  • Average rainfall in July: 1.34"

The wettest month (with the highest rainfall) is May (2.24").
The driest months (with the least rainfall) are February and December (0.47").

Average rainfall days in July
Marysville, IA

Average rainfall days in July - Marysville, IA
  • Average rainfall days in July: 13.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in July
Marysville, IA

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

The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Marysville, IA

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

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Marysville, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in July
Marysville, IA

Average sunshine days in July - Marysville, IA
  • Average sunshine days in July: 13.1 days

The months with the most sunshine days are November and December (20.5 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in July
Marysville, IA

Average UV index in July - Marysville, 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
Marysville, IA

Average cloud cover in July - Marysville, IA
  • Average cloud cover in July: 29

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in July
Marysville, IA

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

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

Marysville, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location