June weather forecast
Troy, IL

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Weather in June

June, the first month of the summer in Troy, is still a warm month, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 66.6°F (19.2°C).

Temperature

June brings a slight rise in Troy's average high-temperature, moving from 74.5°F (23.6°C) in May to a still warm 83.3°F (28.5°C). Throughout June, Troy anticipates an average low-temperature of 66.6°F (19.2°C).

Heat index

In June, the average heat index is appraised at a hot 91.4°F (33°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in June is 77%.

Rainfall

In Troy, in June, during 15.5 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In Troy, during the entire year, the rain falls for 149.9 days and collects up to 33.94" (862mm) of precipitation.

Snowfall

April through August and October are months without snowfall.

Daylight

June has the longest days of the year, with an average of 14h and 48min of daylight.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:18 pm. On the last day of June, sunrise is at 5:38 am and sunset at 8:28 pm CDT.

Sunshine

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

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 6 in June translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in June?

In Troy, 83.3°F (28.5°C) is the average high-temperature and 66.6°F (19.2°C) is the average low-temperature during June. In June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 91.4°F (33°C).

What is the average humidity in June?

The average relative humidity in June is 77%.

How many days does it rain in June?

In Troy, in June, during 15.5 rainfall days, 3.9" (99mm) of precipitation is typically accumulated.

When it does not snow?

April through August and October are months without snowfall.

When are the longest days?

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

How many hours of daylight does Troy have in June?

In June, the average day length in Troy is 14h and 50min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:36 am and sunset at 8:18 pm. On the last day of the month, in Troy, sunrise is at 5:38 am and sunset at 8:28 pm CDT.

What month has the most sunshine?

With an average of 10.5h of sunshine, June has the most sunshine of the year in Troy, Illinois.

How long on average sun shines in June?

In Troy, the average sunshine duration in June is 10.5h.

What is the month with the highest UV index?

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

How high is the UV index in June?

In Troy, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes 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
Troy, IL

Average temperature in June - Troy, IL
  • Average high temperature in June: 83.3°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 (37.4°F).

  • Average low temperature in June: 66.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in June
Troy, IL

Average pressure in June - Troy, IL
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Troy, IL

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

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in June
Troy, IL

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

The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Troy, IL

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

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.77").

Average rainfall days in June
Troy, IL

Average rainfall days in June - Troy, IL
  • Average rainfall days in June: 15.5 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in June
Troy, IL

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

The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in June
Troy, IL

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

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in June / Average sunshine in June - Troy, 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 month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in June
Troy, IL

Average sunshine days in June - Troy, IL
  • Average sunshine days in June: 11.8 days

The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in June
Troy, IL

Average UV index in June - Troy, 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).

Average cloud cover in June
Troy, IL

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

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

Average visibility in June
Troy, IL

Average visibility in June - Troy, 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).

Troy, Illinois, USA

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