July weather forecast
Hamilton, IL

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Weather in July

July, the same as June, is another warm summer month in Hamilton, Illinois, with an average temperature fluctuating between 83.3°F (28.5°C) and 66.4°F (19.1°C).

Temperature

In Hamilton, the month of July is known for its highest average temperatures, reaching a high of 83.3°F (28.5°C) and a low of 66.4°F (19.1°C).

Heat index

The heat index value during July is estimated at a tropical 93.2°F (34°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

With an average relative humidity of 82%, July is the most humid month.

Rainfall

In July, in Hamilton, the rain falls for 14.3 days. Throughout July, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Hamilton, there are 129.9 rainfall days, and 20.71" (526mm) of precipitation is accumulated.

Snowfall

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

Daylight

In July, the average length of the day in Hamilton is 14h and 43min.
On the first day of July in Hamilton, sunrise is at 5:39 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:20 pm CDT.

Sunshine

With an average of 10.3h of sunshine, July has the most sunshine of the year in Hamilton.

UV index

June through August, 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 exposure to the Sun's UV rays for the average person.
Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Hamilton?

July, on average, is the warmest month in Hamilton, registering a high temperature of 83.3°F (28.5°C) and a low of 66.4°F (19.1°C).

How hot is it in Hamilton in July?

In July, in Hamilton, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 66.4°F (19.1°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 93.2°F (34°C).

What is the most humid month in Hamilton?

The most humid month is July, with an average relative humidity of 82%.

What is the average humidity in July in Hamilton?

The average relative humidity in July in Hamilton, Illinois, is 82%.

How many days does it rain in July in Hamilton?

In Hamilton, during July, the rain falls for 14.3 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in Hamilton?

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

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

In Hamilton, Illinois, the average day length in July is 14h and 43min.

What time are sunrise and sunset in July in Hamilton?

On the first day of July in Hamilton, Illinois, sunrise is at 5:39 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:20 pm CDT.

What month has the most sunshine in Hamilton?

July has the most sunshine of the year in Hamilton, Illinois, with an average of 10.3h of sunshine.

How many hours of sunshine does Hamilton have in July?

The average sunshine duration in July is 10.3h.

When is the highest UV index in Hamilton?

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

What is the UV index intensity in July in Hamilton?

In July, the average daily maximum UV index in Hamilton, Illinois, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Hamilton, IL

Average temperature in July - Hamilton, IL
  • Average high temperature in July: 83.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in July: 66.4°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in July
Hamilton, IL

Average pressure in July - Hamilton, IL
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in July
Hamilton, IL

Average wind speed in July - Hamilton, IL
  • Average wind speed in July: 6.6mph

The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in July
Hamilton, IL

Average humidity in July - Hamilton, IL
  • Average humidity in July: 82%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July
Hamilton, IL

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

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in July
Hamilton, IL

Average rainfall days in July - Hamilton, IL
  • Average rainfall days in July: 14.3 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.5 days).

Average snowfall in July
Hamilton, IL

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

The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Hamilton, IL

Average snowfall days in July - Hamilton, IL
  • 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 May, June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Hamilton, IL

Average daylight in July / Average sunshine in July - Hamilton, IL
  • 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 18min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in July
Hamilton, IL

Average sunshine days in July - Hamilton, IL
  • Average sunshine days in July: 14.9 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in July
Hamilton, IL

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

Average cloud cover in July - Hamilton, IL
  • Average cloud cover in July: 28

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in July
Hamilton, IL

Average visibility in July - Hamilton, IL
  • 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).

Hamilton, Illinois, USA

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