June weather forecast
Mason City, IL

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Weather in June

June, the first month of the summer in Mason City, is a warm month, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 80.8°F (27.1°C).

Temperature

Mason City's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 72.5°F (22.5°C) in May to a moderately hot 80.8°F (27.1°C). An average low-temperature of 63.9°F (17.7°C) is anticipated throughout the nights during June.

Heat index

For most parts of June, the heat index is calculated to be a tropical 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. 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 largely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In June, the average relative humidity is 80%.

Rainfall

In Mason City, in June, it is raining for 16.8 days, with typically 3.31" (84mm) of accumulated precipitation. In Mason City, during the entire year, the rain falls for 150 days and collects up to 29.84" (758mm) of precipitation.

Snowfall

In Mason City, snow does not fall in May through September.

Daylight

The month with the longest days is June, with an average of 15h and 0min of daylight.
On the first day of the month, sunrise is at 5:30 am and sunset at 8:22 pm. On the last day of June, sunrise is at 5:32 am and sunset at 8:32 pm CDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In June, the maximum UV index of 6 suggests these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in June?

The average high-temperature and low-temperature during June are 80.8°F (27.1°C) and 63.9°F (17.7°C) respectively. In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in June?

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

How much does it rain in June?

In June, the rain falls for 16.8 days. Throughout June, 3.31" (84mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

With an average of 15h and 0min 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 in Mason City is 14h and 59min.

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 5:30 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:32 pm CDT.

What month has the most sunshine?

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

How long on average sun shines in June?

The average sunshine duration in June is 10.3h.

What are the months with the highest UV index?

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

What is the UV index intensity in June?

The average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe 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
Mason City, IL

Average temperature in June - Mason City, IL
  • Average high temperature in June: 80.8°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in June: 63.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in June
Mason City, IL

Average pressure in June - Mason City, 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
Mason City, IL

Average wind speed in June - Mason City, IL
  • Average wind speed in June: 7.5mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in June
Mason City, IL

Average humidity in June - Mason City, 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
Mason City, IL

Average rainfall in June - Mason City, IL
  • Average rainfall in June: 3.31"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is December (1.46").

Average rainfall days in June
Mason City, IL

Average rainfall days in June - Mason City, IL
  • Average rainfall days in June: 16.8 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (6.2 days).

Average snowfall in June
Mason City, IL

Average snowfall in June - Mason City, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Mason City, IL

Average snowfall days in June - Mason City, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (10.7 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
Mason City, IL

Average daylight in June / Average sunshine in June - Mason City, 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 6min).

Average sunshine days in June
Mason City, IL

Average sunshine days in June - Mason City, IL
  • Average sunshine days in June: 11.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in June
Mason City, IL

Average UV index in June - Mason City, 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
Mason City, IL

Average cloud cover in June - Mason City, IL
  • Average cloud cover in June: 30

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in June
Mason City, IL

Average visibility in June - Mason City, 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).

Mason City, Illinois, USA

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