June weather forecast
De Witt, IL

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Weather in June

The first month of the summer, June, is a moderately hot month in De Witt, Illinois, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 79.9°F (26.6°C).

Temperature

In De Witt, the average high-temperature in June slightly increases from an agreeable 72.1°F (22.3°C) in May to a warm 79.9°F (26.6°C). De Witt registers a consistent average low-temperature of 63.9°F (17.7°C) during June.

Humidity

In June, the average relative humidity is 80%.

Rainfall

In June, the rain falls for 15.4 days. Throughout June, 2.44" (62mm) of precipitation is accumulated. In De Witt, during the entire year, the rain falls for 138.7 days and collects up to 20.91" (531mm) of precipitation.

Snowfall

May through October are months without snowfall in De Witt.

Daylight

June has the longest days of the year in De Witt, with an average of 15h and 0min of daylight.
On the first day of the month, sunrise is at 5:27 am and sunset at 8:18 pm. On the last day of June, sunrise is at 5:29 am and sunset at 8:28 pm CDT.

Sunshine

With an average of 10.1h of sunshine, June has the most sunshine of the year.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index in De Witt. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during June leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for De Witt in June?

During June, De Witt experiences an average high-temperature of 79.9°F (26.6°C) and a low-temperature of 63.9°F (17.7°C).

What is the average humidity in June in De Witt?

In De Witt, the average relative humidity in June is 80%.

How many days does it rain in June in De Witt?

In June, the rain falls for 15.4 days. Throughout June, 2.44" (62mm) of precipitation is accumulated.

When it does not snow in De Witt?

In De Witt, snow does not fall in May through October.

When are the longest days in De Witt?

The month with the longest days in De Witt is June, with an average of 15h and 0min of daylight.

What is the average length of the day in June in De Witt?

The average day length in June in De Witt is 14h and 59min.

When is the sunrise / sunset in June in De Witt?

On the first day of June in De Witt, Illinois, sunrise is at 5:27 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:28 pm CDT.

What month has the most sunshine in De Witt?

With an average of 10.1h of sunshine, June has the most sunshine of the year in De Witt.

How long on average sun shines in June in De Witt?

In June, the average sunshine duration in De Witt, Illinois, is 10.1h.

What is the month with the highest UV index in De Witt?

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

What is the UV index intensity in June in De Witt?

In De Witt, Illinois, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
De Witt, IL

Average temperature in June - De Witt, IL
  • Average high temperature in June: 79.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in June: 63.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in June
De Witt, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
De Witt, IL

Average wind speed in June - De Witt, IL
  • Average wind speed in June: 7.8mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in June
De Witt, IL

Average humidity in June - De Witt, IL
  • Average humidity in June: 80%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in June
De Witt, IL

Average rainfall in June - De Witt, IL
  • Average rainfall in June: 2.44"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.1").

Average rainfall days in June
De Witt, IL

Average rainfall days in June - De Witt, IL
  • Average rainfall days in June: 15.4 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in June
De Witt, IL

Average snowfall in June - De Witt, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
De Witt, IL

Average snowfall days in June - De Witt, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (9.6 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
De Witt, IL

Average daylight in June / Average sunshine in June - De Witt, 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 24min).

  • Average sunshine in June: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in June
De Witt, IL

Average sunshine days in June - De Witt, IL
  • Average sunshine days in June: 11.3 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in June
De Witt, IL

Average UV index in June - De Witt, IL
  • Average UV index in June: 6

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
De Witt, IL

Average cloud cover in June - De Witt, IL
  • Average cloud cover in June: 31

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in June
De Witt, IL

Average visibility in June - De Witt, IL
  • Average visibility in June: 6mi

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

De Witt, Illinois, USA

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