June weather forecast
Festus, MO

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Weather in June

June, the first month of the summer in Festus, is also a moderately hot month, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 84.9°F (29.4°C).

Temperature

As Festus transitions into June, a rise in the average high-temperature is observed, moving from 75.6°F (24.2°C) in May to a still moderately hot 84.9°F (29.4°C). In Festus, June nights cool down to an average of 65.3°F (18.5°C).

Heat index

The heat index for June is computed to be a fiery hot 95°F (35°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Heat index evaluations are typically in the context of light winds and shaded environments. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. 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.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In Festus, Missouri, the average relative humidity in June is 77%.

Rainfall

In June, the rain falls for 15.3 days. Throughout June, 3.54" (90mm) of precipitation is accumulated. In Festus, during the entire year, the rain falls for 155 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

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

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of June, sunrise is at 5:39 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:28 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 threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In June, the maximum UV index of 6 suggests this advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

How hot is June in Festus?

An average high-temperature, in June, in Festus, is 84.9°F (29.4°C) and the average low-temperature is 65.3°F (18.5°C). In June, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 95°F (35°C).

What is the average humidity in June in Festus?

In June, the average relative humidity is 77%.

How much does it rain in Festus in June?

In Festus, during June, the rain falls for 15.3 days and regularly aggregates up to 3.54" (90mm) of precipitation.

When it does not snow in Festus?

April through October are months without snowfall in Festus.

When are the longest days in Festus?

The month with the longest days is June, with an average of 14h and 48min of daylight.

How many hours of daylight does Festus have in June?

In Festus, the average day length in June is 14h and 47min.

When are sunrise and sunset in June in Festus?

In June, on the first day of the month, sunrise is at 5:39 am and sunset at 8:19 pm. On the last day of the month, in Festus, Missouri, sunrise is at 5:41 am and sunset at 8:28 pm CDT.

What is the month with the most sunshine in Festus?

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

How many hours of sunshine does Festus have in June?

The average sunshine duration in June in Festus is 10.5h.

What are the months with the highest UV index in Festus?

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

How high is the UV index in June in Festus?

In June, the average daily maximum UV index in Festus is 6. A UV Index reading of 6 to 7 represents 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
Festus, MO

Average temperature in June - Festus, MO
  • Average high temperature in June: 84.9°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in June: 65.3°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in June
Festus, MO

Average pressure in June - Festus, 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
Festus, MO

Average wind speed in June - Festus, MO
  • Average wind speed in June: 6.2mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in June
Festus, MO

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in June
Festus, MO

Average rainfall in June - Festus, MO
  • Average rainfall in June: 3.54"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days in June
Festus, MO

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

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in June
Festus, MO

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

The month with the highest snowfall is January (2.36").
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
Festus, MO

Average snowfall days in June - Festus, 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 April, May, June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Festus, 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 36min).

  • 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 48min).

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Average sunshine days in June
Festus, MO

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

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in June
Festus, MO

Average UV index in June - Festus, 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, November and December (UV index 2).

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Average cloud cover in June
Festus, MO

Average cloud cover in June - Festus, MO
  • Average cloud cover in June: 28

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).

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Average visibility in June
Festus, MO

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

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