June weather forecastSundown, MO

June

Weather in June

The first month of the summer, June, is a hot month in Sundown, Missouri, with an average temperature ranging between min 65.1°F (18.4°C) and max 88.2°F (31.2°C).

Temperature

In June, the meteorological conditions change with the average high-temperature moving from a warm 77.5°F (25.3°C) in May to a tropical 88.2°F (31.2°C). A sharp contrast between day and night is prevalent in June with an average nighttime temperature of 65.1°F (18.4°C).

Heat index

In June, the heat index is evaluated at a very hot 102.2°F (39°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Sundown, the average relative humidity in June is 74%.

Rainfall

In Sundown, in June, during 12.9 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Sundown, Missouri, during the entire year, the rain falls for 136.4 days and collects up to 30.98" (787mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The month with the longest days is June, with an average of 14h and 36min of daylight.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:23 pm. On the last day of June, sunrise is at 5:55 am and sunset at 8:33 pm CDT.

Sunshine

The month with the most sunshine is June, with an average of 10.5h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Sundown, in June, the average high-temperature is 88.2°F (31.2°C), and the average low-temperature is 65.1°F (18.4°C). In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 102.2°F (39°C).

The average relative humidity in June is 74%.

In Sundown, in June, during 12.9 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

April through October are months without snowfall.

The month with the longest days is June, with an average of 14h and 36min of daylight.

In June, the average day length is 14h and 37min.

On the first day of June, sunrise is at 5:53 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:33 pm CDT.

The month with the most sunshine is June, with an average of 10.5h of sunshine.

The average sunshine duration in June is 10.5h.

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

In Sundown, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Sundown, MO

  • Average high temperature in June: 88.2°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in June: 65.1°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in June
Sundown, MO

  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in June
Sundown, MO

  • Average wind speed in June: 5.2mph

The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in June
Sundown, MO

  • Average humidity in June: 74%

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).

Average rainfall in June
Sundown, MO

  • Average rainfall in June: 2.8"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in June
Sundown, MO

  • Average rainfall days in June: 12.9 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in June
Sundown, MO

  • Average snowfall in June: 0"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Sundown, MO

  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in June: 14h and 36min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in June: 10h and 30min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in June
Sundown, MO

  • Average sunshine days in June: 14.8 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in June
Sundown, 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).

Average cloud cover in June
Sundown, MO

  • Average cloud cover in June: 30

The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in June
Sundown, MO

  • Average visibility in June: 5mi

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