June weather forecast
Naples, IL

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Weather in June

June, the first month of the summer in Naples, is a moderately hot month, with an average temperature fluctuating between 81.9°F (27.7°C) and 64.4°F (18°C).

Temperature

As Naples welcomes June, the average high-temperature sees a modest rise, transitioning from a pleasant 73°F (22.8°C) in May to a moderately hot 81.9°F (27.7°C). June witnesses an average nighttime temperature of 64.4°F (18°C).

Heat index

For June, the heat index is appraised at a hot 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in June in Naples, Illinois, is 80%.

Rainfall

In Naples, Illinois, during June, the rain falls for 17 days and regularly aggregates up to 3.9" (99mm) of precipitation. In Naples, Illinois, during the entire year, the rain falls for 155.4 days and collects up to 31.69" (805mm) of precipitation.

Snowfall

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

Daylight

June has the longest days of the year in Naples, with an average of 14h and 54min of daylight.
On the first day of June in Naples, sunrise is at 5:35 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:34 pm CDT.

Sunshine

With an average of 10.3h of sunshine, June has the most sunshine of the year in Naples.

UV index

The months with the highest UV index in Naples, Illinois, are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 6 in June translates into this advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What are June temperatures in Naples?

In June, the average high-temperature and low-temperature in Naples, Illinois, are 81.9°F (27.7°C) and 64.4°F (18°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in June is appraised at 87.8°F (31°C).

What is the average humidity in June in Naples?

In Naples, the average relative humidity in June is 80%.

How many days does it rain in June in Naples?

In Naples, in June, it is raining for 17 days, with typically 3.9" (99mm) of accumulated precipitation.

When it does not snow in Naples?

May through September are months without snowfall in Naples, Illinois.

When are the longest days in Naples?

With an average of 14h and 54min of daylight, June has the longest days of the year in Naples.

How many hours of daylight does Naples have in June?

The average day length in June in Naples is 14h and 56min.

What time are sunrise and sunset in June in Naples?

In June, on the first day of the month, sunrise is at 5:35 am and sunset at 8:24 pm. On the last day of the month, in Naples, sunrise is at 5:38 am and sunset at 8:34 pm CDT.

What month has the most sunshine in Naples?

June has the most sunshine of the year, with an average of 10.3h of sunshine.

How long on average sun shines in June in Naples?

The average sunshine duration in June is 10.3h.

What are the months with the highest UV index in Naples?

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

What is the UV index intensity in June in Naples?

The average daily maximum UV index in June in Naples, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Naples, IL

Average temperature in June - Naples, IL
  • Average high temperature in June: 81.9°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in June: 64.4°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in June
Naples, IL

Average pressure in June - Naples, IL
  • Average pressure in June: 29.91"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).

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Average wind speed in June
Naples, IL

Average wind speed in June - Naples, IL
  • Average wind speed in June: 7mph

The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in June
Naples, IL

Average humidity in June - Naples, IL
  • Average humidity in June: 80%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Naples, IL

Average rainfall in June - Naples, IL
  • Average rainfall in June: 3.9"

The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").

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Average rainfall days in June
Naples, IL

Average rainfall days in June - Naples, IL
  • Average rainfall days in June: 17 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in June
Naples, IL

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

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Naples, IL

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

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Naples, IL
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in June: 10h and 2min

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

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Average sunshine days in June
Naples, IL

Average sunshine days in June - Naples, IL
  • Average sunshine days in June: 8.6 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).

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Average UV index in June
Naples, IL

Average UV index in June - Naples, IL
  • Average UV index in June: 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 June
Naples, IL

Average cloud cover in June - Naples, IL
  • Average cloud cover in June: 30

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).

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Average visibility in June
Naples, IL

Average visibility in June - Naples, IL
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

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Naples, Illinois, USA

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