July weather forecast
London, OH

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Weather in July

July, the same as June, is a moderately hot summer month in London, Ohio, with an average temperature ranging between min 64°F (17.8°C) and max 80.8°F (27.1°C).

Temperature

Temperature records mark July as the warmest month, with highs averaging 80.8°F (27.1°C) and lows at 64°F (17.8°C).

Heat index

For most parts of July, the heat index is estimated at a hot 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In July, the average relative humidity is 81%.

Rainfall

In London, in July, during 16.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In London, during the entire year, the rain falls for 150 days and collects up to 22.56" (573mm) of precipitation.

Snowfall

May through October are months without snowfall in London.

Daylight

In London, the average length of the day in July is 14h and 40min.
On the first day of July, sunrise is at 6:09 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:48 pm EDT.

Sunshine

The average sunshine in July is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in London. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 6 during July translates into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in London?

The temperatures in London, Ohio, reach their highest averages in July, with highs of 80.8°F (27.1°C) and lows of 64°F (17.8°C).

What is the temperature in July in London?

The average high-temperature and low-temperature in London during July are 80.8°F (27.1°C) and 64°F (17.8°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in July in London?

The average relative humidity in July is 81%.

How much does it rain in London in July?

In July, in London, Ohio, the rain falls for 16.8 days. Throughout July, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in London?

May through October are months without snowfall in London.

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

The average day length in July in London is 14h and 40min.

What time are sunrise and sunset in July in London?

On the first day of July in London, sunrise is at 6:09 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:48 pm EDT.

How many hours of sunshine does London have in July?

The average sunshine duration in July in London is 10.1h.

When is the highest UV index in London?

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

What is the UV index intensity in July in London?

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

Average temperature in July - London, OH
  • Average high temperature in July: 80.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in July
London, OH

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

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

Average wind speed in July
London, OH

Average wind speed in July - London, OH
  • Average wind speed in July: 5.8mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in July
London, OH

Average humidity in July - London, OH
  • Average humidity in July: 81%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in July
London, OH

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

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (1.3").

Average rainfall days in July
London, OH

Average rainfall days in July - London, OH
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in July
London, OH

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

The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
London, OH

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

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in July
London, OH

Average sunshine days in July - London, OH
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in July
London, OH

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
London, OH

Average cloud cover in July - London, OH
  • Average cloud cover in July: 33

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in July
London, OH

Average visibility in July - London, 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).

London, Ohio, USA

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