June weather forecast
Lyons, IL

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Weather in June

The first month of the summer, June, is a warm month in Lyons, Illinois, with an average temperature fluctuating between 61.3°F (16.3°C) and 75°F (23.9°C).

Temperature

The beginning of June signals a rise in the average high-temperature, moving from a comfortable 64.9°F (18.3°C) in May to a warm 75°F (23.9°C). During June, Lyons experiences an average low-temperature of 61.3°F (16.3°C) at night.

Humidity

The average relative humidity in June is 77%.

Rainfall

In Lyons, in June, during 11.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Lyons, during the entire year, the rain falls for 92 days and collects up to 7.4" (188mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

With an average of 15h and 12min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:18 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:30 pm CDT.

Sunshine

In Lyons, the average sunshine in June is 9.9h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In June, the UV index of 6 transforms into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the temperature in June?

The high-temperature during June is 75°F (23.9°C) and the low-temperature is 61.3°F (16.3°C).

What is the average humidity in June?

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

How many days does it rain in June?

In June, the rain falls for 11.7 days. Throughout June, 0.83" (21mm) of precipitation is accumulated.

When it does not snow in Lyons?

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

When are the longest days?

June has the longest days of the year, with an average of 15h and 12min of daylight.

What is the average length of the day in June?

The average day length in June is 15h and 10min.

When is the sunrise / sunset in June in Lyons?

On the first day of June, sunrise is at 5:18 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:30 pm CDT.

How many hours of sunshine does Lyons have in June?

In June, the average sunshine duration is 9.9h.

When is the highest UV index?

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

What is the UV index reading in June?

In Lyons, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Lyons, IL

Average temperature in June - Lyons, IL
  • Average high temperature in June: 75°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in June: 61.3°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in June
Lyons, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Lyons, IL

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

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in June
Lyons, IL

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

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in June
Lyons, IL

Average rainfall in June - Lyons, IL
  • Average rainfall in June: 0.83"

The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").

Average rainfall days in June
Lyons, IL

Average rainfall days in June - Lyons, IL
  • Average rainfall days in June: 11.7 days

The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).

Average snowfall in June
Lyons, IL

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

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Lyons, IL

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

The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Lyons, IL
  • Average daylight in June: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in June: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in June
Lyons, IL

Average sunshine days in June - Lyons, IL
  • Average sunshine days in June: 14.3 days

The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).

Average UV index in June
Lyons, IL

Average UV index in June - Lyons, 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 and December (UV index 1).

Average cloud cover in June
Lyons, IL

Average cloud cover in June - Lyons, IL
  • Average cloud cover in June: 33

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in June
Lyons, IL

Average visibility in June - Lyons, 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).

Lyons, Illinois, USA

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