July weather forecast
Vandalia, OH

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Weather in July

July, the same as June, is another warm summer month in Vandalia, Ohio, with an average temperature fluctuating between 64.4°F (18°C) and 80.8°F (27.1°C).

Temperature

With average high and low temperatures of 80.8°F (27.1°C) and 64.4°F (18°C) respectively, July is Vandalia's warmest month.

Heat index

The heat index in July is computed to be a hot 86°F (30°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

The average relative humidity in July is 82%.

Rainfall

In Vandalia, during July, the rain falls for 14.8 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 138.9 rainfall days, and 17.01" (432mm) of precipitation is accumulated.

Snowfall

In Vandalia, snow does not fall in May through September.

Daylight

The average length of the day in July is 14h and 40min.
On the first day of July, sunrise is at 6:12 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:51 pm EDT.

Sunshine

June and July, with an average of 10.1h of sunshine, are months with the most sunshine.

UV index

In July, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 5 in July leads to these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What time of the year is the hottest?

July is the month when Vandalia sees the average highest temperatures, with a high of 80.8°F (27.1°C) and a low of 64.4°F (18°C).

What are the temperatures in July?

The high-temperature, in July, in Vandalia, records 80.8°F (27.1°C), while the low-temperature is 64.4°F (18°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is computed to be 86°F (30°C).

What is the average humidity in July?

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

How much does it rain in July?

In Vandalia, during July, the rain falls for 14.8 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow?

In Vandalia, snow does not fall in May through September.

What is the average length of the day in July?

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

When are sunrise and sunset in July?

On the first day of July, sunrise is at 6:12 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:51 pm EDT.

What are the months with the most sunshine?

June and July, with an average of 10.1h of sunshine, are months with the most sunshine.

How long on average sun shines in July?

In July, the average sunshine duration is 10.1h.

What is the UV index reading in July?

In July, the average daily maximum UV index in Vandalia is 5. A UV Index of 3 to 5 symbolizes a medium 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
Vandalia, OH

Average temperature in July - Vandalia, 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 (32.7°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 (21.2°F).

Average pressure in July
Vandalia, OH

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

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Vandalia, OH

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

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in July
Vandalia, OH

Average humidity in July - Vandalia, OH
  • Average humidity in July: 82%

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

Average rainfall in July
Vandalia, OH

Average rainfall in July - Vandalia, OH
  • Average rainfall in July: 1.77"

The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are January, February and November (0.98").

Average rainfall days in July
Vandalia, OH

Average rainfall days in July - Vandalia, OH
  • Average rainfall days in July: 14.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in July
Vandalia, OH

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

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Vandalia, OH

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

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Vandalia, 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 months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in July
Vandalia, OH

Average sunshine days in July - Vandalia, OH
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11 days).

Average UV index in July
Vandalia, OH

Average UV index in July - Vandalia, OH
  • Average UV index in July: 5

The months with the highest UV index are June 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
Vandalia, OH

Average cloud cover in July - Vandalia, OH
  • Average cloud cover in July: 32

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
Vandalia, OH

Average visibility in July - Vandalia, 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).

Vandalia, Ohio, USA

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