June weather forecast
Maryland Heights, MO

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Weather in June

June, the first month of the summer in Maryland Heights, is still a warm month, with an average temperature varying between 84.2°F (29°C) and 66.7°F (19.3°C).

Temperature

June brings a temperature change, with average high-temperatures moving from May's 74.8°F (23.8°C) to a still moderately hot 84.2°F (29°C). In the month of June, the average low-temperature in Maryland Heights usually rests at an enjoyable 66.7°F (19.3°C).

Heat index

In June, the heat index is estimated at a hot 93.2°F (34°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. 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 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 quite important for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In June, the average relative humidity in Maryland Heights is 75%.

Rainfall

In June, the rain falls for 14.8 days. Throughout June, 3.03" (77mm) of precipitation is accumulated. In Maryland Heights, during the entire year, the rain falls for 141.9 days and collects up to 27.68" (703mm) of precipitation.

Snowfall

In Maryland Heights, Missouri, snow does not fall in April through October.

Daylight

The month with the longest days in Maryland Heights is June, with an average of 14h and 48min of daylight.
On the first day of June, sunrise is at 5:38 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:30 pm CDT.

Sunshine

In June, the average sunshine in Maryland Heights, Missouri, is 10.5h.

UV index

The months with the highest UV index in Maryland Heights 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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in June converts into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

How hot does it get in Maryland Heights in June?

In Maryland Heights, in June, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 66.7°F (19.3°C). In June, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 93.2°F (34°C).

What is the average humidity in June in Maryland Heights?

In Maryland Heights, Missouri, the average relative humidity in June is 75%.

How many days does it rain in June in Maryland Heights?

In June, in Maryland Heights, Missouri, the rain falls for 14.8 days. Throughout June, 3.03" (77mm) of precipitation is accumulated.

When it does not snow in Maryland Heights?

In Maryland Heights, Missouri, snow does not fall in April through October.

When are the longest days in Maryland Heights?

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 Maryland Heights?

In June, the average day length is 14h and 50min.

When is the sunrise / sunset in June in Maryland Heights?

On the first day of June in Maryland Heights, sunrise is at 5:38 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:30 pm CDT.

How long on average sun shines in June in Maryland Heights?

The average sunshine duration in June is 10.5h.

When is the highest UV index in Maryland Heights?

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

How high is the UV index in June in Maryland Heights?

In June, the average daily maximum UV index in Maryland Heights, Missouri, is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Maryland Heights, MO

Average temperature in June - Maryland Heights, MO
  • Average high temperature in June: 84.2°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in June: 66.7°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in June
Maryland Heights, MO

Average pressure in June - Maryland Heights, MO
  • 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).

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Average wind speed in June
Maryland Heights, MO

Average wind speed in June - Maryland Heights, MO
  • Average wind speed in June: 6.5mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

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Average humidity in June
Maryland Heights, MO

Average humidity in June - Maryland Heights, MO
  • Average humidity in June: 75%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in June
Maryland Heights, MO

Average rainfall in June - Maryland Heights, MO
  • Average rainfall in June: 3.03"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in June
Maryland Heights, MO

Average rainfall days in June - Maryland Heights, MO
  • Average rainfall days in June: 14.8 days

The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).

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Average snowfall in June
Maryland Heights, MO

Average snowfall in June - Maryland Heights, MO
  • Average snowfall in June: 0"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
Maryland Heights, MO

Average snowfall days in June - Maryland Heights, MO
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (6.8 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
Maryland Heights, MO

Average daylight in June / Average sunshine in June - Maryland Heights, MO
  • 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in June
Maryland Heights, MO

Average sunshine days in June - Maryland Heights, MO
  • Average sunshine days in June: 11.8 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in June
Maryland Heights, MO

Average UV index in June - Maryland Heights, MO
  • 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).

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Average cloud cover in June
Maryland Heights, MO

Average cloud cover in June - Maryland Heights, MO
  • Average cloud cover in June: 28

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in June
Maryland Heights, MO

Average visibility in June - Maryland Heights, 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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Maryland Heights, Missouri, USA

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