Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
June signals a minor shift in the average high-temperature, moving from May's moderately hot 74.8°F (23.8°C) to a still warm 83.7°F (28.7°C). The nighttime temperature dips to a comfortable 66.6°F (19.2°C) on average during June.Heat index
For June, the heat index is evaluated at a tropical 91.4°F (33°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In June, the average relative humidity is 77%.Rainfall
In Swansea, in June, during 14.8 rainfall days, 3.98" (101mm) of precipitation is typically accumulated. In Swansea, during the entire year, the rain falls for 147.1 days and collects up to 35.43" (900mm) of precipitation.Snowfall
In Swansea, 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 June, sunrise is at 5:37 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:28 pm CDT.
Sunshine
June has the most sunshine of the year, with an average of 10.3h of sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 6 during June translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in June?
What is the average humidity in June?
How many days does it rain in June?
When it does not snow?
When are the longest days?
What is the average length of the day in June?
When is the sunrise / sunset in June in Swansea?
What month has the most sunshine?
How many hours of sunshine does Swansea have in June?
What are the months with the highest UV index?
How high is the UV index in June?
Average temperature in June
Swansea, IL
- Average high temperature in June: 83.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in June: 66.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in June
Swansea, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Swansea, IL
- Average wind speed in June: 6.6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in June
Swansea, IL
- Average humidity in June: 77%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Swansea, IL
- Average rainfall in June: 3.98"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in June
Swansea, IL
- Average rainfall days in June: 14.8 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in June
Swansea, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Swansea, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Swansea, 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 month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in June
Swansea, IL
- Average sunshine days in June: 13.3 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in June
Swansea, 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 and December (UV index 2).
Average cloud cover in June
Swansea, IL
- Average cloud cover in June: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in June
Swansea, 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).
Swansea, Illinois, USA
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