June weather forecast
Otterville, IL

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Weather in June

June, the first month of the summer in Otterville, is still a warm month, with an average temperature varying between 82.8°F (28.2°C) and 65.7°F (18.7°C).

Temperature

The shift from May to June introduces a subtle increase in the average high-temperature, moving from 73.9°F (23.3°C) to a still moderately hot 82.8°F (28.2°C). During June, Otterville experiences a consistent low-temperature average of 65.7°F (18.7°C).

Heat index

The heat index value for June is calculated to be a tropical 89.6°F (32°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in June in Otterville is 79%.

Rainfall

The month with the most rainfall is June, when the rain falls for 14.3 days and typically aggregates up to 3.07" (78mm) of precipitation.

Snowfall

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

Daylight

The month with the longest days is June, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:21 pm. On the last day of June, sunrise is at 5:39 am and sunset at 8:31 pm CDT.

Sunshine

June has the most sunshine of the year, with an average of 10.4h 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 reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during June translates into the following directions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

How hot is it in June?

In June, in Otterville, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 65.7°F (18.7°C). In June, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in June?

In June, the average relative humidity in Otterville is 79%.

What is the wettest month?

June is the month with the most rainfall. Rain falls for 14.3 days and accumulates 3.07" (78mm) of precipitation.

How much does it rain in June?

In June, the rain falls for 14.3 days. Throughout June, 3.07" (78mm) of precipitation is accumulated.

When it does not snow in Otterville?

April through October are months without snowfall in Otterville.

When are the longest days?

The month with the longest days is June, with an average of 14h and 54min of daylight.

How many hours of daylight does Otterville have in June?

In Otterville, the average day length in June is 14h and 52min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 5:37 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:31 pm CDT.

What month has the most sunshine?

With an average of 10.4h of sunshine, June has the most sunshine of the year.

How many hours of sunshine does Otterville have in June?

In June, the average sunshine duration is 10.4h.

What are the months with the highest UV index?

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

How high is the UV index in June?

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

Average temperature in June - Otterville, IL
  • Average high temperature in June: 82.8°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 (35.6°F).

  • Average low temperature in June: 65.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in June
Otterville, IL

Average pressure in June - Otterville, IL
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Otterville, IL

Average wind speed in June - Otterville, IL
  • Average wind speed in June: 6.6mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity in June
Otterville, IL

Average humidity in June - Otterville, IL
  • Average humidity in June: 79%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Otterville, IL

Average rainfall in June - Otterville, IL
  • Average rainfall in June: 3.07"

The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in June
Otterville, IL

Average rainfall days in June - Otterville, IL
  • Average rainfall days in June: 14.3 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in June
Otterville, IL

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

The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Otterville, IL

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

The month with the highest number of snowfall days is January (6.2 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
Otterville, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in June
Otterville, IL

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

The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and June (12.3 days).

Average UV index in June
Otterville, IL

Average UV index in June - Otterville, 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
Otterville, IL

Average cloud cover in June - Otterville, IL
  • Average cloud cover in June: 29

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).

Average visibility in June
Otterville, IL

Average visibility in June - Otterville, 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).

Otterville, Illinois, USA

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