June weather forecast
Marthasville, MO

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Weather in June

June, the first month of the summer in Marthasville, is still a warm month, with an average temperature varying between 64.9°F (18.3°C) and 85.6°F (29.8°C).

Temperature

Marthasville's June weather brings a rise in high-temperatures, moving from 75.7°F (24.3°C) in May to a still moderately hot 85.6°F (29.8°C). Throughout the month of June, Marthasville expects an average low of 64.9°F (18.3°C).

Heat index

In June, the heat index is appraised at a fiery hot 96.8°F (36°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
In terms of the heat index, values are set with light wind and shade conditions in mind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Marthasville, the average relative humidity in June is 76%.

Rainfall

In Marthasville, during June, the rain falls for 13.1 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Marthasville, Missouri, there are 133.1 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

In Marthasville, Missouri, snow does not fall in April through August and 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 in Marthasville, sunrise is at 5:41 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:32 pm CDT.

Sunshine

The months with the most sunshine in Marthasville are June and July, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index in Marthasville, Missouri, 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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in June translates into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

Is it hot in Marthasville during June?

The high-temperature, in June, in Marthasville, is 85.6°F (29.8°C), while the low-temperature averages to 64.9°F (18.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in June is appraised at 96.8°F (36°C).

What is the average humidity in June in Marthasville?

In Marthasville, Missouri, the average relative humidity in June is 76%.

How many days does it rain in June in Marthasville?

In Marthasville, in June, during 13.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow in Marthasville?

April through August and October are months without snowfall in Marthasville.

When are the longest days in Marthasville?

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

How many hours of daylight does Marthasville have in June?

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

When is the sunrise / sunset in June in Marthasville?

In June, on the first day of the month, sunrise is at 5:41 am and sunset at 8:23 pm. On the last day of the month, in Marthasville, sunrise is at 5:43 am and sunset at 8:32 pm CDT.

What are the months with the most sunshine in Marthasville?

The months with the most sunshine in Marthasville, Missouri, are June and July, with an average of 10.3h of sunshine.

How long on average sun shines in June in Marthasville?

The average sunshine duration in June in Marthasville, Missouri, is 10.3h.

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

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

How high is the UV index in June in Marthasville?

In June, the average daily maximum UV index in Marthasville is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Marthasville, MO

Average temperature in June - Marthasville, MO
  • Average high temperature in June: 85.6°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in June: 64.9°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 (24.1°F).

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Average pressure in June
Marthasville, MO

Average pressure in June - Marthasville, 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
Marthasville, MO

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

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in June
Marthasville, MO

Average humidity in June - Marthasville, 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 (72%).

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Average rainfall in June
Marthasville, MO

Average rainfall in June - Marthasville, MO
  • Average rainfall in June: 2.64"

The wettest months (with the highest rainfall) are April and May (3.23").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in June
Marthasville, MO

Average rainfall days in June - Marthasville, MO
  • Average rainfall days in June: 13.1 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.2 days).

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Average snowfall in June
Marthasville, MO

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

The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August and October (0").

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Average snowfall days in June
Marthasville, MO

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

The month with the highest number of snowfall days is January (5.1 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
Marthasville, MO

Average daylight in June / Average sunshine in June - Marthasville, 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 months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in June
Marthasville, MO

Average sunshine days in June - Marthasville, MO
  • Average sunshine days in June: 14.1 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (12.8 days).

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Average UV index in June
Marthasville, MO

Average UV index in June - Marthasville, 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
Marthasville, MO

Average cloud cover in June - Marthasville, MO
  • Average cloud cover in June: 30

The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 30).

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Average visibility in June
Marthasville, MO

Average visibility in June - Marthasville, MO
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, June, July, September, October, November and December (6mi).
The months with the lowest visibility are May and August (5mi).

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Marthasville, Missouri, USA

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