July weather forecast
Fairfield, OH

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Weather in July

July usually features the peak summer conditions in Fairfield, and it is typically the hottest month of the year, boasting an average high of 83.3°F (28.5°C). While humidity remains high and pretty steady from June, cloud cover condenses to about a third of July's days. Rainfall shows a slight increase from June's averages, but still does not reach the levels seen in spring. Moreover, average wind speeds drop, contributing to the lazy, hazy midsummer feel often associated with July.

Temperature

July, with an average high of 83.3°F (28.5°C) and a low of 65.7°F (18.7°C), signifies the warmest month of the year.

Heat index

During July, the heat index is estimated at a tropical 91.4°F (33°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In July, the average relative humidity in Fairfield, Ohio, is 78%.

Rainfall

In Fairfield, Ohio, in July, during 15.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Fairfield, Ohio, there are 147.8 rainfall days, and 24.33" (618mm) of precipitation is accumulated.

Snowfall

In Fairfield, snow does not fall in May through October.

Daylight

In Fairfield, the average length of the day in July is 14h and 37min.
On the first day of the month, sunrise is at 6:15 am and sunset at 9:08 pm. On the last day of July, sunrise is at 6:38 am and sunset at 8:51 pm EDT.

Sunshine

June and July, with an average of 10.3h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Fairfield?

In Fairfield, July is known for its average highest temperatures, reaching a high of 83.3°F (28.5°C) and a low of 65.7°F (18.7°C).

How hot is July in Fairfield?

July temperatures vary between a high-temperature of 83.3°F (28.5°C) and a low-temperature of 65.7°F (18.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in July is estimated at 91.4°F (33°C).

What is the average humidity in July in Fairfield?

The average relative humidity in July is 78%.

How many days does it rain in July in Fairfield?

In Fairfield, during July, the rain falls for 15.8 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow in Fairfield?

May through October are months without snowfall in Fairfield.

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

The average day length in July in Fairfield is 14h and 37min.

When is the sunrise / sunset in July in Fairfield?

On the first day of July, sunrise is at 6:15 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:51 pm EDT.

What are the months with the most sunshine in Fairfield?

June and July, with an average of 10.3h of sunshine, are months with the most sunshine in Fairfield, Ohio.

How long on average sun shines in July in Fairfield?

In Fairfield, Ohio, the average sunshine duration in July is 10.3h.

When is the highest UV index in Fairfield?

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

What is the UV index reading in July in Fairfield?

In July, the average daily maximum UV index in Fairfield, Ohio, is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Fairfield, OH

Average temperature in July - Fairfield, OH
  • Average high temperature in July: 83.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in July: 65.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in July
Fairfield, OH

Average pressure in July - Fairfield, OH
  • Average pressure in July: 29.97"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Fairfield, OH

Average wind speed in July - Fairfield, OH
  • Average wind speed in July: 5.3mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in July
Fairfield, OH

Average humidity in July - Fairfield, OH
  • Average humidity in July: 78%

The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in July
Fairfield, OH

Average rainfall in July - Fairfield, OH
  • Average rainfall in July: 2.36"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in July
Fairfield, OH

Average rainfall days in July - Fairfield, OH
  • Average rainfall days in July: 15.8 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in July
Fairfield, OH

Average snowfall in July - Fairfield, OH
  • Average snowfall in July: 0"

The months with the highest snowfall are February and March (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Fairfield, OH

Average snowfall days in July - Fairfield, OH
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Fairfield, OH

Average daylight in July / Average sunshine in July - Fairfield, OH
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Fairfield, OH

Average sunshine days in July - Fairfield, OH
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in July
Fairfield, OH

Average UV index in July - Fairfield, OH
  • Average UV index in July: 6

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

Average cloud cover in July
Fairfield, OH

Average cloud cover in July - Fairfield, OH
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in July
Fairfield, OH

Average visibility in July - Fairfield, OH
  • 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).

Fairfield, Ohio, USA

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