July weather forecast
Zionsville, IN

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Weather in July

July, like June, in Zionsville, Indiana, is a moderately hot summer month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 81.7°F (27.6°C).

Temperature

With average high temperatures of 81.7°F (27.6°C) and lows of 65.5°F (18.6°C), July is the warmest month.

Heat index

During July, the heat index is estimated at a hot 87.8°F (31°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. 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 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In Zionsville, Indiana, the average relative humidity in July is 81%.

Rainfall

In Zionsville, in July, during 13 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 121.7 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Snowfall

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

Daylight

In July, the average length of the day is 14h and 41min.
On the first day of the month, sunrise is at 6:20 am and sunset at 9:17 pm. On the last day of July, sunrise is at 6:43 am and sunset at 8:59 pm EDT.

Sunshine

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

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What is the hottest time of year?

July, with its high-temperature average of 81.7°F (27.6°C) and a low-temperature average of 65.5°F (18.6°C), is the warmest month.

What is the temperature in July?

In Zionsville, in July, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is estimated 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 Zionsville, during July, the rain falls for 13 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 14h and 41min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 6:20 am and sunset at 9:17 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 8:59 pm EDT.

What is the month with the most sunshine?

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

How long on average sun shines in July?

In Zionsville, the average sunshine duration in July is 10.1h.

What is the month with the highest UV index?

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

What is the UV index reading in July?

In Zionsville, 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
Zionsville, IN

Average temperature in July - Zionsville, IN
  • Average high temperature in July: 81.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°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 (20.3°F).

Average pressure in July
Zionsville, IN

Average pressure in July - Zionsville, IN
  • Average pressure in July: 29.98"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
Zionsville, IN

Average wind speed in July - Zionsville, IN
  • Average wind speed in July: 6.1mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in July
Zionsville, IN

Average humidity in July - Zionsville, IN
  • Average humidity in July: 81%

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in July
Zionsville, IN

Average rainfall in July - Zionsville, IN
  • Average rainfall in July: 1.06"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in July
Zionsville, IN

Average rainfall days in July - Zionsville, IN
  • Average rainfall days in July: 13 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in July
Zionsville, IN

Average snowfall in July - Zionsville, IN
  • Average snowfall in July: 0"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Zionsville, IN

Average snowfall days in July - Zionsville, IN
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Zionsville, IN

Average daylight in July / Average sunshine in July - Zionsville, IN
  • 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 54min).

Average sunshine days in July
Zionsville, IN

Average sunshine days in July - Zionsville, IN
  • Average sunshine days in July: 13.8 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in July
Zionsville, IN

Average UV index in July - Zionsville, IN
  • 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 December (UV index 1).

Average cloud cover in July
Zionsville, IN

Average cloud cover in July - Zionsville, IN
  • Average cloud cover in July: 33

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in July
Zionsville, IN

Average visibility in July - Zionsville, IN
  • 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).

Zionsville, Indiana, USA

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