June weather forecast
Greendale, MO

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Weather in June

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

Temperature

As Greendale transitions into June, a rise in the average high-temperature is observed, moving from a moderately hot 74.8°F (23.8°C) in May to a still warm 84.2°F (29°C). Greendale observes an average nighttime temperature of 67.1°F (19.5°C) during June.

Heat index

During June, the heat index is estimated at a hot 93.2°F (34°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

The average relative humidity in June in Greendale is 76%.

Rainfall

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

Snowfall

April through October are months without snowfall.

Daylight

June has the longest days of the year in Greendale, with an average of 14h and 48min of daylight.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:20 pm. On the last day of June, sunrise is at 5:40 am and sunset at 8:30 pm CDT.

Sunshine

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

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 rays for the ordinary person.
Note: In June, an average UV index of 6 transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is June?

The average high-temperature and low-temperature during June are 84.2°F (29°C) and 67.1°F (19.5°C) respectively. In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 93.2°F (34°C).

What is the average humidity in June in Greendale?

The average relative humidity in June is 76%.

How many days does it rain in June?

In Greendale, in June, during 15.8 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

When it does not snow?

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

When are the longest days?

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

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

In June, the average day length is 14h and 50min.

What time are sunrise and sunset in June in Greendale?

On the first day of June, sunrise is at 5:37 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:30 pm CDT.

What is the month with the most sunshine?

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

How long on average sun shines in June?

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

When is the highest UV index in Greendale?

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

What is the UV index reading in June?

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

Average temperature in June - Greendale, 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).

Average pressure in June
Greendale, MO

Average pressure in June - Greendale, 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).

Average wind speed in June
Greendale, MO

Average wind speed in June - Greendale, 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).

Average humidity in June
Greendale, MO

Average humidity in June - Greendale, 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%).

Average rainfall in June
Greendale, MO

Average rainfall in June - Greendale, 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").

Average rainfall days in June
Greendale, MO

Average rainfall days in June - Greendale, 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).

Average snowfall in June
Greendale, MO

Average snowfall in June - Greendale, 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").

Average snowfall days in June
Greendale, MO

Average snowfall days in June - Greendale, 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).

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

Average daylight in June / Average sunshine in June - Greendale, 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).

Average sunshine days in June
Greendale, MO

Average sunshine days in June - Greendale, 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).

Average UV index in June
Greendale, MO

Average UV index in June - Greendale, 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
Greendale, MO

Average cloud cover in June - Greendale, 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).

Average visibility in June
Greendale, MO

Average visibility in June - Greendale, 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).

Greendale, Missouri, USA

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