June weather forecast
Joppa, IL

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Weather in June

The first month of the summer, June, is still a warm month in Joppa, Illinois, with an average temperature varying between 85.6°F (29.8°C) and 66.7°F (19.3°C).

Temperature

A shift in the average high-temperature is noticeable in June, changing from a moderately hot 76.5°F (24.7°C) in May to a still warm 85.6°F (29.8°C). In Joppa, an average low-temperature of 66.7°F (19.3°C) is recorded during June nights.

Heat index

In June, the average heat index is evaluated at a torrid 96.8°F (36°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Bear in mind that the heat index values are determined for shaded areas and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In June, the average relative humidity in Joppa is 76%.

Rainfall

In Joppa, in June, it is raining for 15.1 days, with typically 2.91" (74mm) of accumulated precipitation. In Joppa, during the entire year, the rain falls for 160.7 days and collects up to 36.73" (933mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The month with the longest days in Joppa, Illinois, is June, with an average of 14h and 42min of daylight.
On the first day of June, sunrise is at 5:36 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:19 pm CDT.

Sunshine

The months with the most sunshine are June and July, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index in Joppa, Illinois, are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 in June converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

How hot is June in Joppa?

June temperatures in Joppa, Illinois, vary between a high-temperature of 85.6°F (29.8°C) and a low-temperature of 66.7°F (19.3°C). In June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 96.8°F (36°C).

What is the average humidity in June in Joppa?

In Joppa, Illinois, the average relative humidity in June is 76%.

How many days does it rain in June in Joppa?

In Joppa, in June, during 15.1 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow in Joppa?

May through October are months without snowfall in Joppa.

When are the longest days in Joppa?

With an average of 14h and 42min of daylight, June has the longest days of the year in Joppa.

How many hours of daylight does Joppa have in June?

In Joppa, Illinois, the average day length in June is 14h and 41min.

What time are sunrise and sunset in June in Joppa?

In June, on the first day of the month, sunrise is at 5:36 am and sunset at 8:10 pm. On the last day of the month, in Joppa, sunrise is at 5:38 am and sunset at 8:19 pm CDT.

What are the months with the most sunshine in Joppa?

June and July, with an average of 10.6h of sunshine, are months with the most sunshine in Joppa.

How long on average sun shines in June in Joppa?

In Joppa, the average sunshine duration in June is 10.6h.

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

The months with the highest UV index in Joppa, Illinois, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in June in Joppa?

In June, the average daily maximum UV index in Joppa, Illinois, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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 June
Joppa, IL

Average temperature in June - Joppa, IL
  • Average high temperature in June: 85.6°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).

  • Average low temperature in June: 66.7°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).

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Average pressure in June
Joppa, IL

Average pressure in June - Joppa, IL
  • Average pressure in June: 29.95"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in June
Joppa, IL

Average wind speed in June - Joppa, IL
  • Average wind speed in June: 6.3mph

The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

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Average humidity in June
Joppa, IL

Average humidity in June - Joppa, IL
  • Average humidity in June: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in June
Joppa, IL

Average rainfall in June - Joppa, IL
  • Average rainfall in June: 2.91"

The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in June
Joppa, IL

Average rainfall days in June - Joppa, IL
  • Average rainfall days in June: 15.1 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.2 days).

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Average snowfall in June
Joppa, IL

Average snowfall in June - Joppa, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Joppa, IL

Average snowfall days in June - Joppa, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Joppa, IL

Average daylight in June / Average sunshine in June - Joppa, IL
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in June: 10h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in June
Joppa, IL

Average sunshine days in June - Joppa, IL
  • Average sunshine days in June: 12.8 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (11 days).

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Average UV index in June
Joppa, IL

Average UV index in June - Joppa, IL
  • Average UV index in June: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in June
Joppa, IL

Average cloud cover in June - Joppa, IL
  • Average cloud cover in June: 27

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 26).

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Average visibility in June
Joppa, IL

Average visibility in June - Joppa, IL
  • Average visibility in June: 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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Joppa, Illinois, USA

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