June weather forecast
Arnold, MO

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Weather in June

June, the first month of the summer in Arnold, is still a warm month, with an average temperature fluctuating between 84°F (28.9°C) and 66.7°F (19.3°C).

Temperature

Arnold's transition into June is noticed by a slight rise in the average high-temperature, advancing from 75.4°F (24.1°C) in May to a still moderately hot 84°F (28.9°C). Throughout the nights in June, Arnold experiences an average low-temperature of 66.7°F (19.3°C).

Heat index

The average heat index in June is evaluated at a hot 93.2°F (34°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for 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

In June, the average relative humidity is 77%.

Rainfall

In Arnold, during June, the rain falls for 16 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, in Arnold, Missouri, there are 146.1 rainfall days, and 32.36" (822mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of June in Arnold, sunrise is at 5:38 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:29 pm CDT.

Sunshine

The month with the most sunshine in Arnold is June, 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In June, an average UV index of 6 transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

Is it hot in Arnold during June?

The average high-temperature and low-temperature in Arnold, Missouri, during June are 84°F (28.9°C) and 66.7°F (19.3°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in June is evaluated at 93.2°F (34°C).

What is the average humidity in June in Arnold?

The average relative humidity in June in Arnold is 77%.

How many days does it rain in June in Arnold?

In Arnold, Missouri, in June, during 16 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

When it does not snow in Arnold?

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

When are the longest days in Arnold?

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

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

In Arnold, the average day length in June is 14h and 48min.

When are sunrise and sunset in June in Arnold?

On the first day of June in Arnold, Missouri, sunrise is at 5:38 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:29 pm CDT.

What month has the most sunshine in Arnold?

The month with the most sunshine in Arnold is June, with an average of 10.4h of sunshine.

How long on average sun shines in June in Arnold?

The average sunshine duration in June is 10.4h.

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

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

What is the UV index reading in June in Arnold?

The average daily maximum UV index in June in Arnold, Missouri, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Arnold, MO

Average temperature in June - Arnold, MO
  • Average high temperature in June: 84°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 (37.9°F).

  • Average low temperature in June: 66.7°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in June
Arnold, MO

Average pressure in June - Arnold, 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
Arnold, MO

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

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in June
Arnold, MO

Average humidity in June - Arnold, MO
  • Average humidity in June: 77%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Arnold, MO

Average rainfall in June - Arnold, MO
  • Average rainfall in June: 3.7"

The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are February and November (1.77").

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Average rainfall days in June
Arnold, MO

Average rainfall days in June - Arnold, MO
  • Average rainfall days in June: 16 days

The month with the highest number of rainy days is July (16.9 days).
The months with the least rainy days are January and February (6.8 days).

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Average snowfall in June
Arnold, MO

Average snowfall in June - Arnold, 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
Arnold, MO

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

The months with the highest number of snowfall days are January and February (4.8 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
Arnold, MO

Average daylight in June / Average sunshine in June - Arnold, 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 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
Arnold, MO

Average sunshine days in June - Arnold, MO
  • Average sunshine days in June: 11.6 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in June
Arnold, MO

Average UV index in June - Arnold, 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
Arnold, MO

Average cloud cover in June - Arnold, MO
  • Average cloud cover in June: 29

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

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Average visibility in June
Arnold, MO

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

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