June weather forecast
Brentwood, MO

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Weather in June

June, the first month of the summer in Brentwood, is still a warm month, with an average temperature varying between 84.2°F (29°C) and 67.1°F (19.5°C).

Temperature

As May transitions into June, a change in temperatures is observed, with average highs moving from a moderately hot 74.8°F (23.8°C) to a still warm 84.2°F (29°C). Brentwood witnesses a consistent average low-temperature of 67.1°F (19.5°C) throughout June.

Heat index

The heat index value during June is computed to be a hot 93.2°F (34°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

The average relative humidity in June is 76%.

Rainfall

In Brentwood, during June, the rain falls for 15.8 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 144.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.

Snowfall

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

Daylight

June has the longest days of the year in Brentwood, Missouri, with an average of 14h and 48min of daylight.
On the first day of June in Brentwood, sunrise is at 5:38 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:29 pm CDT.

Sunshine

June and July, with an average of 10.5h of sunshine, are months with the most 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 6 in June transforms into this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

How hot is June in Brentwood?

The average high-temperature, in June, in Brentwood, is 84.2°F (29°C), while the average low-temperature is 67.1°F (19.5°C). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 93.2°F (34°C).

What is the average humidity in June in Brentwood?

The average relative humidity in June in Brentwood, Missouri, is 76%.

How many days does it rain in June in Brentwood?

In Brentwood, Missouri, in June, it is raining for 15.8 days, with typically 3.5" (89mm) of accumulated precipitation.

When it does not snow in Brentwood?

April through October are months without snowfall in Brentwood, Missouri.

When are the longest days in Brentwood?

With an average of 14h and 48min of daylight, June has the longest days of the year in Brentwood, Missouri.

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

In Brentwood, the average day length in June is 14h and 49min.

When is the sunrise / sunset in June in Brentwood?

On the first day of June in Brentwood, Missouri, sunrise is at 5:38 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:29 pm CDT.

What is the month with the most sunshine in Brentwood?

The months with the most sunshine in Brentwood are June and July, with an average of 10.5h of sunshine.

How many hours of sunshine does Brentwood have in June?

In June, the average sunshine duration in Brentwood, Missouri, is 10.5h.

When is the highest UV index in Brentwood?

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

How high is the UV index in June in Brentwood?

The average daily maximum UV index in June in Brentwood, Missouri, is 6. A UV Index reading of 6 to 7 represents 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
Brentwood, MO

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

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in June: 67.1°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in June
Brentwood, MO

Average pressure in June - Brentwood, 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
Brentwood, MO

Average wind speed in June - Brentwood, MO
  • Average wind speed in June: 6.4mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in June
Brentwood, MO

Average humidity in June - Brentwood, MO
  • Average humidity in June: 76%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in June
Brentwood, MO

Average rainfall in June - Brentwood, MO
  • Average rainfall in June: 3.5"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in June
Brentwood, MO

Average rainfall days in June - Brentwood, MO
  • Average rainfall days in June: 15.8 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in June
Brentwood, MO

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

The month with the highest snowfall is February (2.6").
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
Brentwood, MO

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

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in June / Average sunshine in June - Brentwood, 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in June
Brentwood, MO

Average sunshine days in June - Brentwood, MO
  • Average sunshine days in June: 11.2 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in June
Brentwood, MO

Average UV index in June - Brentwood, 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
Brentwood, MO

Average cloud cover in June - Brentwood, 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
Brentwood, MO

Average visibility in June - Brentwood, 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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Brentwood, Missouri, USA

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