July weather forecast
Martinsville, IN

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Weather in July

July, the same as June, is another warm summer month in Martinsville, Indiana, with an average temperature ranging between min 65.1°F (18.4°C) and max 82.8°F (28.2°C).

Temperature

Martinsville registers the highest average temperatures during the month of July, with peaks of 82.8°F (28.2°C) and lows of 65.1°F (18.4°C).

Heat index

July's mean heat index is calculated to be a tropical 91.4°F (33°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

July is the most humid month in Martinsville, with an average relative humidity of 83%.

Rainfall

In Martinsville, during July, the rain falls for 16.6 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Martinsville, during the entire year, the rain falls for 160.4 days and collects up to 27.05" (687mm) of precipitation.

Snowfall

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

Daylight

In Martinsville, the average length of the day in July is 14h and 38min.
On the first day of July, sunrise is at 6:22 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:58 pm EDT.

Sunshine

In July, the average sunshine is 9.9h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In July, the UV index of 6 transforms into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

Martinsville's temperature records reveal July as the warmest month, marked by average highs of 82.8°F (28.2°C) and lows of 65.1°F (18.4°C).

How hot is it in July?

July temperatures vary between a high-temperature of 82.8°F (28.2°C) and a low-temperature of 65.1°F (18.4°C). 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 calculated to be 91.4°F (33°C).

What is the most humid month?

With an average relative humidity of 83%, July is the most humid month.

What is the average humidity in July?

In July, the average relative humidity is 83%.

How much does it rain in July?

In Martinsville, in July, it is raining for 16.6 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Martinsville have in July?

In July, the average day length is 14h and 38min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 6:22 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:58 pm EDT.

How long on average sun shines in July?

In July, the average sunshine duration is 9.9h.

When is 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 July, the average daily maximum UV index in Martinsville is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Martinsville, IN

Average temperature in July - Martinsville, IN
  • Average high temperature in July: 82.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in July: 65.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in July
Martinsville, IN

Average pressure in July - Martinsville, IN
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Martinsville, IN

Average wind speed in July - Martinsville, IN
  • Average wind speed in July: 5.6mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in July
Martinsville, IN

Average humidity in July - Martinsville, IN
  • Average humidity in July: 83%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (75%).

Average rainfall in July
Martinsville, IN

Average rainfall in July - Martinsville, IN
  • Average rainfall in July: 2.56"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in July
Martinsville, IN

Average rainfall days in July - Martinsville, IN
  • Average rainfall days in July: 16.6 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in July
Martinsville, IN

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

The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Martinsville, IN

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

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Martinsville, IN
  • 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 24min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in July
Martinsville, IN

Average sunshine days in July - Martinsville, IN
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in July
Martinsville, IN

Average UV index in July - Martinsville, IN
  • Average UV index in July: 6

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

Average cloud cover in July
Martinsville, IN

Average cloud cover in July - Martinsville, IN
  • Average cloud cover in July: 34

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in July
Martinsville, IN

Average visibility in July - Martinsville, IN
  • Average visibility in July: 5mi

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

Martinsville, Indiana, USA

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