June weather forecast
Trenton, IL

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Weather in June

June, the first month of the summer in Trenton, is also a moderately hot month, with an average temperature ranging between min 66.4°F (19.1°C) and max 83.5°F (28.6°C).

Temperature

With the onset of June, Trenton's weather sees a minor temperature rise, transitioning from 74.7°F (23.7°C) in May to a still moderately hot 83.5°F (28.6°C). Trenton registers a consistent average low-temperature of 66.4°F (19.1°C) during June.

Heat index

In June, the heat index is calculated to be a hot 91.4°F (33°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In Trenton, Illinois, the average relative humidity in June is 77%.

Rainfall

June is the month with the most rainfall in Trenton. Rain falls for 16.2 days and accumulates 3.66" (93mm) of precipitation.

Snowfall

May through September are months without snowfall in Trenton.

Daylight

June has the longest days of the year in Trenton, with an average of 14h and 48min of daylight.
On the first day of June in Trenton, sunrise is at 5:35 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:27 pm CDT.

Sunshine

The month with the most sunshine is June, with an average of 10.5h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In June, the maximum UV index of 6 suggests these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

How hot is June in Trenton?

The high-temperature, in June, in Trenton, is 83.5°F (28.6°C), while the low-temperature averages to 66.4°F (19.1°C). In June, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in June in Trenton?

In Trenton, Illinois, the average relative humidity in June is 77%.

What is the rainiest month in Trenton?

The month with the most rainfall in Trenton is June, when the rain falls for 16.2 days and typically aggregates up to 3.66" (93mm) of precipitation.

How much does it rain in Trenton in June?

In Trenton, Illinois, in June, it is raining for 16.2 days, with typically 3.66" (93mm) of accumulated precipitation.

When it does not snow in Trenton?

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

When are the longest days in Trenton?

June has the longest days of the year, with an average of 14h and 48min of daylight.

How many hours of daylight does Trenton have in June?

The average day length in June in Trenton is 14h and 49min.

What time are sunrise and sunset in June in Trenton?

In June, on the first day of the month, sunrise is at 5:35 am and sunset at 8:17 pm. On the last day of the month, in Trenton, Illinois, sunrise is at 5:37 am and sunset at 8:27 pm CDT.

What month has the most sunshine in Trenton?

The month with the most sunshine is June, with an average of 10.5h of sunshine.

How many hours of sunshine does Trenton have in June?

The average sunshine duration in June in Trenton is 10.5h.

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

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

What is the UV index intensity in June in Trenton?

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

Average temperature in June - Trenton, IL
  • Average high temperature in June: 83.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in June: 66.4°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in June
Trenton, IL

Average pressure in June - Trenton, IL
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in June
Trenton, IL

Average wind speed in June - Trenton, IL
  • Average wind speed in June: 6.6mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in June
Trenton, IL

Average humidity in June - Trenton, IL
  • Average humidity in June: 77%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Trenton, IL

Average rainfall in June - Trenton, IL
  • Average rainfall in June: 3.66"

The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").

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Average rainfall days in June
Trenton, IL

Average rainfall days in June - Trenton, IL
  • Average rainfall days in June: 16.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).

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Average snowfall in June
Trenton, IL

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

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Trenton, IL

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

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in June: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in June
Trenton, IL

Average sunshine days in June - Trenton, IL
  • Average sunshine days in June: 11.4 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).

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Average UV index in June
Trenton, IL

Average UV index in June - Trenton, 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, November and December (UV index 2).

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Average cloud cover in June
Trenton, IL

Average cloud cover in June - Trenton, IL
  • Average cloud cover in June: 28

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in June
Trenton, IL

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

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