June weather forecast
Herald, IL

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Weather in June

June, the first month of the summer in Herald, is still a warm month, with an average temperature varying between 83.8°F (28.8°C) and 66.6°F (19.2°C).

Temperature

June signals a minor shift in the average high-temperature, moving from May's 75.2°F (24°C) to a still moderately hot 83.8°F (28.8°C). Herald reports a consistent average low-temperature of 66.6°F (19.2°C) throughout June nights.

Heat index

June's average heat index is estimated at a tropical 91.4°F (33°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in June is 76%.

Rainfall

In Herald, in June, it is raining for 10.4 days, with typically 0.94" (24mm) of accumulated precipitation. In Herald, during the entire year, the rain falls for 100.2 days and collects up to 8.7" (221mm) of precipitation.

Snowfall

In Herald, snow does not fall in April through October.

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:09 pm. On the last day of June, sunrise is at 5:33 am and sunset at 8:19 pm CDT.

Sunshine

The month with the most sunshine is June, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during June translates into these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is June?

During June, Herald experiences an average high-temperature of 83.8°F (28.8°C) and a low-temperature of 66.6°F (19.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in June is estimated at 91.4°F (33°C).

What is the average humidity in June?

The average relative humidity in June is 76%.

How many days does it rain in June?

In June, the rain falls for 10.4 days. Throughout June, 0.94" (24mm) of precipitation is accumulated.

When it does not snow?

In Herald, snow does not fall in April through October.

When are the longest days?

With an average of 14h and 48min of daylight, June has the longest days of the year.

How many hours of daylight does Herald have in June?

In June, the average day length is 14h and 46min.

When are sunrise and sunset in June?

On the first day of June, sunrise is at 5:31 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:19 pm CDT.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 10.6h of sunshine.

How long on average sun shines in June?

In Herald, the average sunshine duration in June is 10.6h.

What is the month with the highest UV index?

May 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 Herald?

In June, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents 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
Herald, IL

Average temperature in June - Herald, IL
  • Average high temperature in June: 83.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in June: 66.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in June
Herald, IL

Average pressure in June - Herald, IL
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in June
Herald, IL

Average wind speed in June - Herald, IL
  • Average wind speed in June: 7mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in June
Herald, IL

Average humidity in June - Herald, IL
  • Average humidity in June: 76%

The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in June
Herald, IL

Average rainfall in June - Herald, IL
  • Average rainfall in June: 0.94"

The wettest month (with the highest rainfall) is April (1.06").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in June
Herald, IL

Average rainfall days in June - Herald, IL
  • Average rainfall days in June: 10.4 days

The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is January (5 days).

Average snowfall in June
Herald, IL

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

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Herald, IL

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

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 10h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in June
Herald, IL

Average sunshine days in June - Herald, IL
  • Average sunshine days in June: 16.3 days

The month with the most sunshine days is October (23.4 days).
The month with the least sunshine days is May (15.8 days).

Average UV index in June
Herald, IL

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

The months with the highest UV index are May, 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
Herald, IL

Average cloud cover in June - Herald, IL
  • Average cloud cover in June: 27

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in June
Herald, IL

Average visibility in June - Herald, 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).

Herald, Illinois, USA

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