June weather forecast
Vandalia, MO

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Weather in June

June, the first month of the summer in Vandalia, is a moderately hot month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 82.9°F (28.3°C).

Temperature

June signals a shift in the average high-temperature, moving from May's agreeable 73.2°F (22.9°C) to a warm 82.9°F (28.3°C). Vandalia cools down to an average low-temperature of 64.9°F (18.3°C) throughout the month of June.

Heat index

The heat index for June is calculated to be a hot 91.4°F (33°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. 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 vital to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in June in Vandalia, Missouri, is 78%.

Rainfall

In Vandalia, during June, the rain falls for 15.3 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Vandalia, Missouri, during the entire year, the rain falls for 142.4 days and collects up to 28.98" (736mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

With an average of 14h and 54min of daylight, June has the longest days of the year in Vandalia.
On the first day of June, sunrise is at 5:40 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:36 pm CDT.

Sunshine

With an average of 10.4h 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 health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

Is it hot in Vandalia during June?

The high-temperature, in June, in Vandalia, records 82.9°F (28.3°C), while the low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in June is calculated to be 91.4°F (33°C).

What is the average humidity in June in Vandalia?

In Vandalia, Missouri, the average relative humidity in June is 78%.

How many days does it rain in June in Vandalia?

In Vandalia, Missouri, during June, the rain falls for 15.3 days and regularly aggregates up to 3.58" (91mm) of precipitation.

When it does not snow in Vandalia?

May through September are months without snowfall in Vandalia, Missouri.

When are the longest days in Vandalia?

June has the longest days of the year in Vandalia, Missouri, with an average of 14h and 54min of daylight.

What is the average length of the day in June in Vandalia?

In June, the average day length is 14h and 53min.

When are sunrise and sunset in June in Vandalia?

On the first day of June, sunrise is at 5:40 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:36 pm CDT.

What month has the most sunshine in Vandalia?

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

How long on average sun shines in June in Vandalia?

In June, the average sunshine duration in Vandalia, Missouri, is 10.4h.

What is the month with the highest UV index in Vandalia?

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

How high is the UV index in June in Vandalia?

The average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Vandalia, MO

Average temperature in June - Vandalia, MO
  • Average high temperature in June: 82.9°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in June: 64.9°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 (21.9°F).

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Average pressure in June
Vandalia, MO

Average pressure in June - Vandalia, MO
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in June
Vandalia, MO

Average wind speed in June - Vandalia, MO
  • Average wind speed in June: 7.1mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in June
Vandalia, MO

Average humidity in June - Vandalia, MO
  • Average humidity in June: 78%

The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Vandalia, MO

Average rainfall in June - Vandalia, MO
  • Average rainfall in June: 3.58"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in June
Vandalia, MO

Average rainfall days in June - Vandalia, MO
  • Average rainfall days in June: 15.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in June
Vandalia, MO

Average snowfall in June - Vandalia, MO
  • Average snowfall in June: 0"

The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Vandalia, MO

Average snowfall days in June - Vandalia, MO
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Vandalia, MO

Average daylight in June / Average sunshine in June - Vandalia, MO
  • 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).

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Average sunshine days in June
Vandalia, MO

Average sunshine days in June - Vandalia, MO
  • Average sunshine days in June: 11.9 days

The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in June
Vandalia, MO

Average UV index in June - Vandalia, MO
  • 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).

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Average cloud cover in June
Vandalia, MO

Average cloud cover in June - Vandalia, MO
  • 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 June, July and August (Cloud cover 29).

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Average visibility in June
Vandalia, MO

Average visibility in June - Vandalia, MO
  • 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).

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Vandalia, Missouri, USA

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