June weather forecast
Chambersburg, IL

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Weather in June

June, the first month of the summer in Chambersburg, is a moderately hot month, with an average temperature ranging between min 64°F (17.8°C) and max 81°F (27.2°C).

Temperature

The start of June signals an increase in the average high-temperature, moving from an agreeable 72°F (22.2°C) in May to a moderately hot 81°F (27.2°C). During the month of June, the temperature in Chambersburg generally drops to a low average of 64°F (17.8°C).

Heat index

The average heat index in June is estimated at a hot 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In June, the average relative humidity is 81%.

Rainfall

In Chambersburg, during June, the rain falls for 15 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Chambersburg, during the entire year, the rain falls for 132 days and collects up to 22.17" (563mm) of precipitation.

Snowfall

May through October are months without snowfall in Chambersburg.

Daylight

June has the longest days of the year in Chambersburg, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:25 pm. On the last day of June, sunrise is at 5:38 am and sunset at 8:34 pm CDT.

Sunshine

The months with the most sunshine are June and July, with an average of 10.2h of sunshine.

UV index

The months with the highest UV index in Chambersburg 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 ordinary person.
Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. 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 the temperatures in Chambersburg in June?

In June, the average high-temperature and low-temperature in Chambersburg, Illinois, are 81°F (27.2°C) and 64°F (17.8°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in June is estimated at 86°F (30°C).

What is the average humidity in June in Chambersburg?

In June, the average relative humidity is 81%.

How many days does it rain in June in Chambersburg?

In Chambersburg, in June, it is raining for 15 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow in Chambersburg?

May through October are months without snowfall in Chambersburg.

When are the longest days in Chambersburg?

The month with the longest days in Chambersburg is June, with an average of 14h and 54min of daylight.

How many hours of daylight does Chambersburg have in June?

The average day length in June in Chambersburg, Illinois, is 14h and 57min.

When are sunrise and sunset in June in Chambersburg?

On the first day of June, sunrise is at 5:36 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:34 pm CDT.

What are the months with the most sunshine in Chambersburg?

June and July, with an average of 10.2h of sunshine, are months with the most sunshine in Chambersburg, Illinois.

How many hours of sunshine does Chambersburg have in June?

In Chambersburg, Illinois, the average sunshine duration in June is 10.2h.

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

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 June in Chambersburg?

In Chambersburg, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Chambersburg, IL

Average temperature in June - Chambersburg, IL
  • Average high temperature in June: 81°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in June: 64°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in June
Chambersburg, IL

Average pressure in June - Chambersburg, 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
Chambersburg, IL

Average wind speed in June - Chambersburg, IL
  • Average wind speed in June: 7.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

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Average humidity in June
Chambersburg, IL

Average humidity in June - Chambersburg, IL
  • Average humidity in June: 81%

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
Chambersburg, IL

Average rainfall in June - Chambersburg, IL
  • Average rainfall in June: 2.48"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in June
Chambersburg, IL

Average rainfall days in June - Chambersburg, IL
  • Average rainfall days in June: 15 days

The month with the highest number of rainy days is May (16.9 days).
The months with the least rainy days are January and February (5.3 days).

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Average snowfall in June
Chambersburg, IL

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

The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Chambersburg, IL

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

The month with the highest number of snowfall days is January (7.8 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
Chambersburg, IL

Average daylight in June / Average sunshine in June - Chambersburg, 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 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in June
Chambersburg, IL

Average sunshine days in June - Chambersburg, IL
  • Average sunshine days in June: 12.2 days

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in June
Chambersburg, IL

Average UV index in June - Chambersburg, 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
Chambersburg, IL

Average cloud cover in June - Chambersburg, IL
  • Average cloud cover in June: 31

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 30).

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Average visibility in June
Chambersburg, IL

Average visibility in June - Chambersburg, 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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Chambersburg, Illinois, USA

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