July weather forecast
Dedham, IA

Share

Weather in July

July, the same as June, is a moderately hot summer month in Dedham, Iowa, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 64.4°F (18°C).

Temperature

July is the month when Dedham sees the highest average temperatures, with a high of 81.5°F (27.5°C) and a low of 64.4°F (18°C).

Heat index

The heat index in July is appraised at a hot 87.8°F (31°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in July is 81%.

Rainfall

In Dedham, during July, the rain falls for 14 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Dedham, during the entire year, the rain falls for 130.1 days and collects up to 27.28" (693mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 52min.
On the first day of July, sunrise is at 5:48 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:38 pm CDT.

Sunshine

July has the most sunshine of the year, with an average of 10.4h 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 of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during July leads to these advisories:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

July, with an average high of 81.5°F (27.5°C) and a low of 64.4°F (18°C), signifies the warmest month of the year.

What are the temperatures in July?

During July, Dedham experiences an average high-temperature of 81.5°F (27.5°C) and a low-temperature of 64.4°F (18°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in July?

In July, the average relative humidity is 81%.

How much does it rain in July?

In Dedham, during July, the rain falls for 14 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow in Dedham?

In Dedham, 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 14h and 52min.

When are sunrise and sunset in July in Dedham?

On the first day of July, sunrise is at 5:48 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:38 pm CDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.4h of sunshine.

How many hours of sunshine does Dedham have in July?

In July, the average sunshine duration is 10.4h.

When is the highest UV index?

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

What is the UV index intensity in July?

In Dedham, Iowa, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Dedham, IA

Average temperature in July - Dedham, IA
  • Average high temperature in July: 81.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in July: 64.4°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in July
Dedham, IA

Average pressure in July - Dedham, 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
Dedham, IA

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

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in July
Dedham, IA

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

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).

Average rainfall in July
Dedham, IA

Average rainfall in July - Dedham, IA
  • Average rainfall in July: 2.17"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in July
Dedham, IA

Average rainfall days in July - Dedham, IA
  • Average rainfall days in July: 14 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in July
Dedham, IA

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

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Dedham, IA

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 10h and 2min

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

Average sunshine days in July
Dedham, IA

Average sunshine days in July - Dedham, IA
  • Average sunshine days in July: 14.1 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10 days).

Average UV index in July
Dedham, IA

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

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

Average cloud cover in July
Dedham, IA

Average cloud cover in July - Dedham, IA
  • Average cloud cover in July: 28

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in July
Dedham, IA

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

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

Dedham, Iowa, USA

Weather forecast for your location

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