June weather forecast
Salem, IL

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Weather in June

June, the first month of the summer in Salem, is also a moderately hot month, with an average temperature varying between 83.1°F (28.4°C) and 66.2°F (19°C).

Temperature

Salem sees a rise in temperature during June, with average high-temperatures transitioning from a moderately hot 73.9°F (23.3°C) in May to a still warm 83.1°F (28.4°C). In Salem, June is marked by an average low-temperature of 66.2°F (19°C).

Heat index

In June, the average heat index is calculated to be a hot 91.4°F (33°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

The average relative humidity in June is 78%.

Rainfall

In Salem, in June, during 12.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Salem, during the entire year, the rain falls for 123.2 days and collects up to 15.08" (383mm) of precipitation.

Snowfall

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

Daylight

With an average of 14h and 48min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:32 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:24 pm CDT.

Sunshine

June and July, with an average of 10.4h of sunshine, are months with the most sunshine in Salem.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during June leads to these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is June?

The high-temperature, in June, in Salem, is 83.1°F (28.4°C), while the low-temperature averages to 66.2°F (19°C). In June, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in June?

The average relative humidity in June is 78%.

How much does it rain in June?

In June, the rain falls for 12.3 days. Throughout June, 1.38" (35mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

When are the longest days?

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

What is the average length of the day in June?

In June, the average day length is 14h and 49min.

When is the sunrise / sunset in June?

On the first day of June in Salem, Illinois, sunrise is at 5:32 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:24 pm CDT.

What are the months with the most sunshine?

The months with the most sunshine are June and July, with an average of 10.4h of sunshine.

How long on average sun shines in June?

In June, the average sunshine duration is 10.4h.

When is the highest UV index?

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

What is the UV index intensity in June?

In June, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Salem, IL

Average temperature in June - Salem, IL
  • Average high temperature in June: 83.1°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in June: 66.2°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in June
Salem, IL

Average pressure in June - Salem, IL
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in June
Salem, IL

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

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in June
Salem, IL

Average humidity in June - Salem, IL
  • Average humidity in June: 78%

The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Salem, IL

Average rainfall in June - Salem, IL
  • Average rainfall in June: 1.38"

The wettest month (with the highest rainfall) is April (2.01").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in June
Salem, IL

Average rainfall days in June - Salem, IL
  • Average rainfall days in June: 12.3 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in June
Salem, IL

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

The month with the highest snowfall is January (0.63").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Salem, IL

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

The month with the highest number of snowfall days is January (5.1 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
Salem, IL

Average daylight in June / Average sunshine in June - Salem, 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 30min).

  • Average sunshine in June: 10h and 2min

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

Average sunshine days in June
Salem, IL

Average sunshine days in June - Salem, IL
  • Average sunshine days in June: 13.8 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in June
Salem, IL

Average UV index in June - Salem, 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
Salem, IL

Average cloud cover in June - Salem, IL
  • Average cloud cover in June: 28

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in June
Salem, IL

Average visibility in June - Salem, 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).

Salem, Illinois, USA

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