June weather forecast
Hartsburg, IL

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Weather in June

June, the first month of the summer in Hartsburg, is a warm month, with an average temperature fluctuating between 80.6°F (27°C) and 63.9°F (17.7°C).

Temperature

As Hartsburg transitions into June, a marginal rise in the average high-temperature is observed, moving from an agreeable 72.7°F (22.6°C) in May to a warm 80.6°F (27°C). Throughout June nights, Hartsburg registers an average low-temperature of 63.9°F (17.7°C).

Heat index

The heat index for June is computed to be a tropical 86°F (30°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In June, the average relative humidity is 80%.

Rainfall

In Hartsburg, in June, it is raining for 15.5 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Hartsburg, there are 135 rainfall days, and 20.28" (515mm) of precipitation is accumulated.

Snowfall

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

Daylight

With an average of 15h and 0min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:29 am and sunset at 8:21 pm. On the last day of June, sunrise is at 5:31 am and sunset at 8:31 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 in Hartsburg are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 6 during June translates into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature in Hartsburg?

June temperatures in Hartsburg, Illinois, vary between a high-temperature of 80.6°F (27°C) and a low-temperature of 63.9°F (17.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in June is computed to be 86°F (30°C).

What is the average humidity in June in Hartsburg?

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

How many days does it rain in June in Hartsburg?

In Hartsburg, in June, it is raining for 15.5 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Hartsburg?

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

When are the longest days in Hartsburg?

With an average of 15h and 0min of daylight, June has the longest days of the year.

How many hours of daylight does Hartsburg have in June?

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

When are sunrise and sunset in June in Hartsburg?

On the first day of June in Hartsburg, sunrise is at 5:29 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:31 pm CDT.

What month has the most sunshine in Hartsburg?

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

How many hours of sunshine does Hartsburg have in June?

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

What are the months with the highest UV index in Hartsburg?

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

What is the UV index intensity in June in Hartsburg?

The average daily maximum UV index in June in Hartsburg, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Hartsburg, IL

Average temperature in June - Hartsburg, IL
  • Average high temperature in June: 80.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in June: 63.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in June
Hartsburg, IL

Average pressure in June - Hartsburg, IL
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in June
Hartsburg, IL

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in June
Hartsburg, IL

Average humidity in June - Hartsburg, 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 (70%).

Average rainfall in June
Hartsburg, IL

Average rainfall in June - Hartsburg, IL
  • Average rainfall in June: 2.4"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (1.02").

Average rainfall days in June
Hartsburg, IL

Average rainfall days in June - Hartsburg, IL
  • Average rainfall days in June: 15.5 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in June
Hartsburg, IL

Average snowfall in June - Hartsburg, 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
Hartsburg, IL

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

The month with the highest number of snowfall days is January (8.2 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
Hartsburg, IL

Average daylight in June / Average sunshine in June - Hartsburg, 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 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 0min).

Average sunshine days in June
Hartsburg, IL

Average sunshine days in June - Hartsburg, IL
  • Average sunshine days in June: 12.3 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in June
Hartsburg, IL

Average UV index in June - Hartsburg, 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
Hartsburg, IL

Average cloud cover in June - Hartsburg, IL
  • Average cloud cover in June: 31

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in June
Hartsburg, IL

Average visibility in June - Hartsburg, 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).

Hartsburg, Illinois, USA

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