June weather forecast
Atwater, IL

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Weather in June

The first month of the summer, June, is a moderately hot month in Atwater, Illinois, with an average temperature ranging between max 81.7°F (27.6°C) and min 64.9°F (18.3°C).

Temperature

The arrival of June brings a soft temperature shift, with the average high-temperature nudging from an agreeable 73.2°F (22.9°C) in May to a moderately hot 81.7°F (27.6°C). The average nighttime temperature lowers to a comfortable 64.9°F (18.3°C) throughout June.

Heat index

The heat index for June is evaluated at a hot 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The average relative humidity in June is 79%.

Rainfall

The month with the most rainfall is June, when the rain falls for 16.3 days and typically aggregates up to 3.86" (98mm) of precipitation.

Snowfall

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

Daylight

With an average of 14h and 54min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:33 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:29 pm CDT.

Sunshine

June has the most sunshine of the year, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during June leads to these instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures?

The average high-temperature and low-temperature during June are 81.7°F (27.6°C) and 64.9°F (18.3°C) respectively. In June, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in June?

In June, the average relative humidity is 79%.

What is the rainiest month?

June is the month with the most rainfall. Rain falls for 16.3 days and accumulates 3.86" (98mm) of precipitation.

How many days does it rain in June?

In June, the rain falls for 16.3 days. Throughout June, 3.86" (98mm) of precipitation is accumulated.

When it does not snow in Atwater?

May through October are months without snowfall.

When are the longest days?

With an average of 14h and 54min 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 14h and 54min.

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 5:33 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:29 pm CDT.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 10.3h of sunshine.

How long on average sun shines in June?

In Atwater, the average sunshine duration in June is 10.3h.

What are the months with the highest UV index?

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

What is the UV index intensity in June?

In Atwater, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Atwater, IL

Average temperature in June - Atwater, IL
  • Average high temperature in June: 81.7°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 (34.2°F).

  • Average low temperature in June: 64.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in June
Atwater, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Atwater, IL

Average wind speed in June - Atwater, IL
  • Average wind speed in June: 7.1mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in June
Atwater, IL

Average humidity in June - Atwater, IL
  • Average humidity in June: 79%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Atwater, IL

Average rainfall in June - Atwater, IL
  • Average rainfall in June: 3.86"

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is December (1.73").

Average rainfall days in June
Atwater, IL

Average rainfall days in June - Atwater, IL
  • Average rainfall days in June: 16.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in June
Atwater, IL

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

The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Atwater, IL

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

The month with the highest number of snowfall days is January (8.5 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
Atwater, IL

Average daylight in June / Average sunshine in June - Atwater, IL
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in June
Atwater, IL

Average sunshine days in June - Atwater, IL
  • Average sunshine days in June: 10.8 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in June
Atwater, IL

Average UV index in June - Atwater, 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).

Average cloud cover in June
Atwater, IL

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

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).

Average visibility in June
Atwater, IL

Average visibility in June - Atwater, 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).

Atwater, Illinois, USA

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