June weather forecast
Wilmington, IL

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Weather in June

June, the first month of the summer in Wilmington, is a moderately hot month, with an average temperature varying between 79.2°F (26.2°C) and 61.9°F (16.6°C).

Temperature

Wilmington's June weather indicates a minor increase in high-temperatures, edging from May's agreeable 70.7°F (21.5°C) to a moderately hot 79.2°F (26.2°C). The average temperature during June nights is registered at an enjoyable 61.9°F (16.6°C).

Humidity

The average relative humidity in June in Wilmington is 80%.

Rainfall

In Wilmington, Illinois, during June, the rain falls for 18.8 days and regularly aggregates up to 3.98" (101mm) of precipitation. Throughout the year, there are 160.4 rainfall days, and 33.5" (851mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:21 am and sunset at 8:19 pm. On the last day of June, sunrise is at 5:23 am and sunset at 8:29 pm CDT.

Sunshine

June through August, with an average of 9.8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are June and July, 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 ordinary individuals.
Note: An average maximum UV index of 6 in June leads to these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What are the temperatures in June?

June temperatures vary between a high-temperature of 79.2°F (26.2°C) and a low-temperature of 61.9°F (16.6°C).

What is the average humidity in June?

The average relative humidity in June is 80%.

How many days does it rain in June in Wilmington?

In Wilmington, during June, the rain falls for 18.8 days and regularly aggregates up to 3.98" (101mm) of precipitation.

When it does not snow?

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

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What is the average length of the day in June?

The average day length in June is 15h and 7min.

When are sunrise and sunset in June?

On the first day of June, sunrise is at 5:21 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:29 pm CDT.

What is the month with the most sunshine?

June through August, with an average of 9.8h of sunshine, are months with the most sunshine.

How many hours of sunshine does Wilmington have in June?

In Wilmington, the average sunshine duration in June is 9.8h.

When is the highest UV index?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in June in Wilmington?

In Wilmington, the average daily maximum UV index in June is 6. A UV Index 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
Wilmington, IL

Average temperature in June - Wilmington, IL
  • Average high temperature in June: 79.2°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in June: 61.9°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in June
Wilmington, IL

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Wilmington, IL

Average wind speed in June - Wilmington, IL
  • Average wind speed in June: 7.3mph

The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in June
Wilmington, IL

Average humidity in June - Wilmington, IL
  • Average humidity in June: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in June
Wilmington, IL

Average rainfall in June - Wilmington, IL
  • Average rainfall in June: 3.98"

The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are February and November (1.69").

Average rainfall days in June
Wilmington, IL

Average rainfall days in June - Wilmington, IL
  • Average rainfall days in June: 18.8 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in June
Wilmington, IL

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

The month with the highest snowfall is February (4.29").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Wilmington, IL

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

The month with the highest number of snowfall days is January (10.6 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
Wilmington, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 9h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in June
Wilmington, IL

Average sunshine days in June - Wilmington, IL
  • Average sunshine days in June: 9.6 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in June
Wilmington, IL

Average UV index in June - Wilmington, IL
  • Average UV index in June: 6

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in June
Wilmington, IL

Average cloud cover in June - Wilmington, IL
  • Average cloud cover in June: 34

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in June
Wilmington, IL

Average visibility in June - Wilmington, IL
  • Average visibility in June: 6mi

The months with the highest visibility are January, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are February, July and August (5mi).

Wilmington, Illinois, USA

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