June weather forecast
Roxana, IL

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Weather in June

The first month of the summer, June, is still a warm month in Roxana, Illinois, with an average temperature fluctuating between 83.1°F (28.4°C) and 66.2°F (19°C).

Temperature

The shift into June is marked by a rise in the average high-temperature, moving from May's 74.1°F (23.4°C) to a still warm 83.1°F (28.4°C). Roxana's average low-temperature during June nights is observed to be a refreshing 66.2°F (19°C).

Heat index

The average heat index in June is evaluated at a tropical 91.4°F (33°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
For clarity, heat index numbers account for light winds and areas under shade. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The average relative humidity in June in Roxana is 78%.

Rainfall

In June, the rain falls for 15.1 days. Throughout June, 2.76" (70mm) of precipitation is accumulated. In Roxana, Illinois, during the entire year, the rain falls for 138 days and collects up to 23.9" (607mm) of precipitation.

Snowfall

May through October are months without snowfall in Roxana.

Daylight

The month with the longest days in Roxana is June, with an average of 14h and 48min of daylight.
On the first day of June, sunrise is at 5:36 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:29 pm CDT.

Sunshine

The month with the most sunshine is June, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index in Roxana are May 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 ordinary person.
Note: The average daily UV index of 6 in June transforms into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

How hot is June in Roxana?

In June, the average high-temperature and low-temperature in Roxana are 83.1°F (28.4°C) and 66.2°F (19°C) respectively. In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 91.4°F (33°C).

What is the average humidity in June in Roxana?

In June, the average relative humidity in Roxana is 78%.

How many days does it rain in June in Roxana?

In June, the rain falls for 15.1 days. Throughout June, 2.76" (70mm) of precipitation is accumulated.

When it does not snow in Roxana?

In Roxana, snow does not fall in May through October.

When are the longest days in Roxana?

The month with the longest days is June, with an average of 14h and 48min of daylight.

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

The average day length in June in Roxana is 14h and 51min.

When is the sunrise / sunset in June in Roxana?

In June, on the first day of the month, sunrise is at 5:36 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:29 pm CDT.

What month has the most sunshine in Roxana?

June has the most sunshine of the year in Roxana, Illinois, with an average of 10.4h of sunshine.

How long on average sun shines in June in Roxana?

The average sunshine duration in June is 10.4h.

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

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 Roxana?

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

Average temperature in June - Roxana, IL
  • Average high temperature in June: 83.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in June: 66.2°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in June
Roxana, IL

Average pressure in June - Roxana, 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).

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Average wind speed in June
Roxana, IL

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

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

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Average humidity in June
Roxana, IL

Average humidity in June - Roxana, IL
  • Average humidity in June: 78%

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
Roxana, IL

Average rainfall in June - Roxana, IL
  • Average rainfall in June: 2.76"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in June
Roxana, IL

Average rainfall days in June - Roxana, IL
  • Average rainfall days in June: 15.1 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in June
Roxana, IL

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

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Roxana, IL

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

The month with the highest number of snowfall days is January (6 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
Roxana, IL

Average daylight in June / Average sunshine in June - Roxana, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

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Average sunshine days in June
Roxana, IL

Average sunshine days in June - Roxana, IL
  • Average sunshine days in June: 12.5 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in June
Roxana, IL

Average UV index in June - Roxana, 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
Roxana, IL

Average cloud cover in June - Roxana, IL
  • Average cloud cover in June: 29

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

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Average visibility in June
Roxana, IL

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

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