July weather forecast
Buffalo, IL

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Weather in July

July, the same as June, is a moderately hot summer month in Buffalo, Illinois, with an average temperature varying between 82.8°F (28.2°C) and 66°F (18.9°C).

Temperature

Buffalo's warmest weather arrives in July, when temperatures average a high of 82.8°F (28.2°C) and a low of 66°F (18.9°C).

Heat index

In July, the heat index is computed to be a hot 91.4°F (33°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

July is the most humid month, with an average relative humidity of 84%.

Rainfall

In Buffalo, in July, during 14.6 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 131.5 rainfall days, and 18.54" (471mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Buffalo, the average length of the day in July is 14h and 40min.
On the first day of the month, sunrise is at 5:33 am and sunset at 8:29 pm. On the last day of July, sunrise is at 5:56 am and sunset at 8:11 pm CDT.

Sunshine

In July, the average sunshine is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Buffalo?

In Buffalo, temperatures reach their average annual highs in July, measuring 82.8°F (28.2°C) and a minimum average of 66°F (18.9°C).

How hot is it in July?

In Buffalo, in July, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in July is computed to be 91.4°F (33°C).

What is the most humid month?

July is the most humid month, with an average relative humidity of 84%.

What is the average humidity in July?

The average relative humidity in July is 84%.

How many days does it rain in July?

In Buffalo, in July, it is raining for 14.6 days, with typically 1.69" (43mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Buffalo have in July?

In Buffalo, the average day length in July is 14h and 40min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:33 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:11 pm CDT.

How long on average sun shines in July?

In Buffalo, the average sunshine duration in July is 10h.

When is the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July is 6. A UV Index value 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
Buffalo, IL

Average temperature in July - Buffalo, IL
  • 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 (33.1°F).

  • Average low temperature in July: 66°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

Average pressure in July
Buffalo, IL

Average pressure in July - Buffalo, IL
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in July
Buffalo, IL

Average wind speed in July - Buffalo, IL
  • Average wind speed in July: 6.2mph

The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in July
Buffalo, IL

Average humidity in July - Buffalo, IL
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July
Buffalo, IL

Average rainfall in July - Buffalo, IL
  • Average rainfall in July: 1.69"

The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is December (0.83").

Average rainfall days in July
Buffalo, IL

Average rainfall days in July - Buffalo, IL
  • Average rainfall days in July: 14.6 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in July
Buffalo, IL

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

The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Buffalo, IL

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

The month with the highest number of snowfall days is January (8 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
Buffalo, IL

Average daylight in July / Average sunshine in July - Buffalo, 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 24min).

  • Average sunshine in July: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in July
Buffalo, IL

Average sunshine days in July - Buffalo, IL
  • Average sunshine days in July: 13.1 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in July
Buffalo, IL

Average UV index in July - Buffalo, 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
Buffalo, IL

Average cloud cover in July - Buffalo, IL
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).

Average visibility in July
Buffalo, IL

Average visibility in July - Buffalo, 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).

Buffalo, Illinois, USA

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