July weather forecast
Martinton, IL

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Weather in July

July, the same as June, is another warm summer month in Martinton, Illinois, with an average temperature ranging between min 64.4°F (18°C) and max 81°F (27.2°C).

Temperature

July, marked by an average high-temperature of 81°F (27.2°C) and a low-temperature of 64.4°F (18°C), is the warmest month.

Heat index

July's mean heat index is evaluated at a hot 87.8°F (31°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. 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. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

July is the most humid month, with an average relative humidity of 85%.

Rainfall

In Martinton, in July, it is raining for 15.8 days, with typically 2.09" (53mm) of accumulated precipitation. In Martinton, during the entire year, the rain falls for 136.7 days and collects up to 19.72" (501mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day is 14h and 46min.
On the first day of the month, sunrise is at 5:23 am and sunset at 8:26 pm. On the last day of July, sunrise is at 5:46 am and sunset at 8:07 pm CDT.

Sunshine

In July, the average sunshine is 9.8h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In July, the UV index of 6 transforms into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. 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?

With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.4°F (18°C), July is the warmest month.

What is the temperature in July?

The high-temperature, in July, in Martinton, records 81°F (27.2°C), while the low-temperature is 64.4°F (18°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the most humid month in Martinton?

With an average relative humidity of 85%, July is the most humid month.

What is the average humidity in July?

The average relative humidity in July is 85%.

How much does it rain in July?

In July, in Martinton, the rain falls for 15.8 days. Throughout July, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Martinton have in July?

In Martinton, the average day length in July is 14h and 46min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:23 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:07 pm CDT.

How long on average sun shines in July?

The average sunshine duration in July is 9.8h.

When is the highest UV index in Martinton?

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 Martinton, the average daily maximum UV index in July 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
Martinton, IL

Average temperature in July - Martinton, IL
  • Average high temperature in July: 81°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°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 (18.7°F).

Average pressure in July
Martinton, IL

Average pressure in July - Martinton, IL
  • Average pressure in July: 29.98"Hg

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

Average wind speed in July
Martinton, IL

Average wind speed in July - Martinton, IL
  • Average wind speed in July: 6.3mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in July
Martinton, IL

Average humidity in July - Martinton, IL
  • Average humidity in July: 85%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
Martinton, IL

Average rainfall in July - Martinton, IL
  • Average rainfall in July: 2.09"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in July
Martinton, IL

Average rainfall days in July - Martinton, IL
  • Average rainfall days in July: 15.8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in July
Martinton, IL

Average snowfall in July - Martinton, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Martinton, IL

Average snowfall days in July - Martinton, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (10.5 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
Martinton, IL

Average daylight in July / Average sunshine in July - Martinton, IL
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in July
Martinton, IL

Average sunshine days in July - Martinton, IL
  • Average sunshine days in July: 10.1 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in July
Martinton, IL

Average UV index in July - Martinton, IL
  • 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
Martinton, IL

Average cloud cover in July - Martinton, IL
  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in July
Martinton, IL

Average visibility in July - Martinton, IL
  • Average visibility in July: 5mi

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

Martinton, Illinois, USA

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