July weather forecast
La Harpe, IL

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Weather in July

July, like June, in La Harpe, Illinois, is a moderately hot summer month, with an average temperature ranging between min 66.2°F (19°C) and max 82.6°F (28.1°C).

Temperature

The month of July sees the highest average temperatures, reaching 82.6°F (28.1°C) at the peak and 66.2°F (19°C) at the low.

Heat index

Throughout July, the heat index is calculated to be a tropical 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

The most humid month in La Harpe is July, with an average relative humidity of 83%.

Rainfall

In La Harpe, in July, during 15 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In La Harpe, during the entire year, the rain falls for 127.6 days and collects up to 21.02" (534mm) of precipitation.

Snowfall

In La Harpe, snow does not fall in May through September.

Daylight

In July, the average length of the day in La Harpe is 14h and 44min.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:38 pm. On the last day of July, sunrise is at 6:00 am and sunset at 8:19 pm CDT.

Sunshine

June and July, with an average of 10h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in La Harpe are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 in July translates into these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What part of the year is the hottest in La Harpe?

In La Harpe, Illinois, the average highest temperatures are observed in July, with a high of 82.6°F (28.1°C) and a low of 66.2°F (19°C).

How hot is it in La Harpe in July?

The high-temperature during July is 82.6°F (28.1°C) and the low-temperature is 66.2°F (19°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in July is calculated to be 91.4°F (33°C).

What is the most humid month in La Harpe?

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

What is the average humidity in July in La Harpe?

In La Harpe, Illinois, the average relative humidity in July is 83%.

How many days does it rain in July in La Harpe?

In La Harpe, Illinois, in July, it is raining for 15 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow in La Harpe?

May through September are months without snowfall.

What is the average length of the day in July in La Harpe?

The average day length in July in La Harpe, Illinois, is 14h and 44min.

What time are sunrise and sunset in July in La Harpe?

In July, on the first day of the month, sunrise is at 5:37 am and sunset at 8:38 pm. On the last day of the month, in La Harpe, Illinois, sunrise is at 6:00 am and sunset at 8:19 pm CDT.

What is the month with the most sunshine in La Harpe?

June and July, with an average of 10h of sunshine, are months with the most sunshine in La Harpe.

How many hours of sunshine does La Harpe have in July?

The average sunshine duration in July is 10h.

What are the months with the highest UV index in La Harpe?

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

What is the UV index intensity in July in La Harpe?

In La Harpe, Illinois, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe 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
La Harpe, IL

Average temperature in July - La Harpe, IL
  • Average high temperature in July: 82.6°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in July: 66.2°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in July
La Harpe, IL

Average pressure in July - La Harpe, 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).

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Average wind speed in July
La Harpe, IL

Average wind speed in July - La Harpe, IL
  • Average wind speed in July: 6.7mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in July
La Harpe, IL

Average humidity in July - La Harpe, IL
  • Average humidity in July: 83%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
La Harpe, IL

Average rainfall in July - La Harpe, IL
  • Average rainfall in July: 2.13"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in July
La Harpe, IL

Average rainfall days in July - La Harpe, IL
  • Average rainfall days in July: 15 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in July
La Harpe, IL

Average snowfall in July - La Harpe, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
La Harpe, IL

Average snowfall days in July - La Harpe, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
La Harpe, IL

Average daylight in July / Average sunshine in July - La Harpe, 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 0min

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

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Average sunshine days in July
La Harpe, IL

Average sunshine days in July - La Harpe, IL
  • Average sunshine days in July: 14.4 days

The month with the most sunshine days is December (20 days).
The months with the least sunshine days are May and June (11.8 days).

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Average UV index in July
La Harpe, IL

Average UV index in July - La Harpe, 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).

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Average cloud cover in July
La Harpe, IL

Average cloud cover in July - La Harpe, IL
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in July
La Harpe, IL

Average visibility in July - La Harpe, 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).

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La Harpe, Illinois, USA

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