July weather forecast
Latham, IL

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Weather in July

July, like June, in Latham, Illinois, is a moderately hot summer month, with an average temperature ranging between max 82°F (27.8°C) and min 65.7°F (18.7°C).

Temperature

Latham's July weather, marked by an average high temperature of 82°F (27.8°C) and an average low temperature of 65.7°F (18.7°C), is the warmest in the year.

Heat index

The heat index for July is computed to be a hot 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

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

Rainfall

In July, the rain falls for 16.3 days. Throughout July, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 141.8 rainfall days, and 22.24" (565mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Latham.

Daylight

The average length of the day in July in Latham is 14h and 41min.
On the first day of July, sunrise is at 5:32 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:11 pm CDT.

Sunshine

In July, the average sunshine is 9.9h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in July transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Latham?

The average temperatures reach their apex in July, averaging 82°F (27.8°C) at the high end and 65.7°F (18.7°C) at the low end.

What is the average July temperature in Latham?

Latham in July has an average high-temperature of 82°F (27.8°C) and an average low-temperature of 65.7°F (18.7°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°C).

What is the most humid month?

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

What is the average humidity in July?

The average relative humidity in July is 84%.

How much does it rain in July?

In Latham, in July, during 16.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Latham have in July?

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

What time are sunrise and sunset in July in Latham?

On the first day of July, sunrise is at 5:32 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:11 pm CDT.

How long on average sun shines in July?

In July, the average sunshine duration is 9.9h.

What is the month with the highest UV index in Latham?

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

What is the UV index intensity in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to 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
Latham, IL

Average temperature in July - Latham, IL
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in July: 65.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in July
Latham, IL

Average pressure in July - Latham, 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 (29.92"Hg).

Average wind speed in July
Latham, IL

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in July
Latham, IL

Average humidity in July - Latham, 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
Latham, IL

Average rainfall in July - Latham, IL
  • Average rainfall in July: 2.05"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is December (1.1").

Average rainfall days in July
Latham, IL

Average rainfall days in July - Latham, IL
  • Average rainfall days in July: 16.3 days

The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in July
Latham, IL

Average snowfall in July - Latham, IL
  • 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, September and October (0").

Average snowfall days in July
Latham, IL

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

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Latham, 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: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Latham, IL

Average sunshine days in July - Latham, IL
  • Average sunshine days in July: 10.9 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in July
Latham, IL

Average UV index in July - Latham, IL
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in July
Latham, IL

Average cloud cover in July - Latham, IL
  • Average cloud cover in July: 32

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and September (Cloud cover 31).

Average visibility in July
Latham, IL

Average visibility in July - Latham, 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).

Latham, Illinois, USA

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