June weather forecast
Hamilton, IL

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Weather in June

June, the first month of the summer in Hamilton, is a warm month, with an average temperature fluctuating between 63.7°F (17.6°C) and 80.8°F (27.1°C).

Temperature

The shift into June is accompanied by a temperature increase, with the average high-temperature rising from a pleasant 71.6°F (22°C) in May to a moderately hot 80.8°F (27.1°C). The average temperature during June nights dips to a refreshing 63.7°F (17.6°C).

Heat index

The heat index value for June is estimated at a hot 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in June is 81%.

Rainfall

In Hamilton, in June, it is raining for 15.7 days, with typically 2.4" (61mm) of accumulated precipitation. In Hamilton, during the entire year, the rain falls for 129.9 days and collects up to 20.71" (526mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15h and 0min of daylight.
On the first day of June, sunrise is at 5:36 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:39 pm CDT.

Sunshine

The average sunshine in June is 10.2h.

UV index

The months with the highest UV index in Hamilton are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: During June, 6 as the daily maximum UV index converts into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What are June temperatures in Hamilton?

Hamilton in June has an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 63.7°F (17.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in June is estimated at 86°F (30°C).

What is the average humidity in June in Hamilton?

In June, the average relative humidity in Hamilton is 81%.

How much does it rain in Hamilton in June?

In June, in Hamilton, Illinois, the rain falls for 15.7 days. Throughout June, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Hamilton?

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

When are the longest days in Hamilton?

With an average of 15h and 0min of daylight, June has the longest days of the year in Hamilton, Illinois.

What is the average length of the day in June in Hamilton?

In June, the average day length in Hamilton, Illinois, is 15h and 1min.

When are sunrise and sunset in June in Hamilton?

In June, on the first day of the month, sunrise is at 5:36 am and sunset at 8:29 pm. On the last day of the month, in Hamilton, sunrise is at 5:38 am and sunset at 8:39 pm CDT.

How long on average sun shines in June in Hamilton?

The average sunshine duration in June is 10.2h.

When is the highest UV index in Hamilton?

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

What is the UV index intensity in June in Hamilton?

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

Average temperature in June - Hamilton, IL
  • Average high temperature in June: 80.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in June: 63.7°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in June
Hamilton, IL

Average pressure in June - Hamilton, IL
  • Average pressure in June: 29.9"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in June
Hamilton, IL

Average wind speed in June - Hamilton, IL
  • Average wind speed in June: 7.6mph

The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in June
Hamilton, IL

Average humidity in June - Hamilton, 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 (70%).

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Average rainfall in June
Hamilton, IL

Average rainfall in June - Hamilton, IL
  • Average rainfall in June: 2.4"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in June
Hamilton, IL

Average rainfall days in June - Hamilton, IL
  • Average rainfall days in June: 15.7 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.5 days).

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Average snowfall in June
Hamilton, IL

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

The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Hamilton, IL

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

The month with the highest number of snowfall days is January (7.9 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
Hamilton, IL

Average daylight in June / Average sunshine in June - Hamilton, IL
  • Average daylight in June: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 10h and 1min

The month with the most sunshine is July (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
Hamilton, IL

Average sunshine days in June - Hamilton, IL
  • Average sunshine days in June: 11.5 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in June
Hamilton, IL

Average UV index in June - Hamilton, 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
Hamilton, IL

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

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in June
Hamilton, IL

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

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