June weather forecast
Des Peres, MO

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Weather in June

The first month of the summer, June, is also a moderately hot month in Des Peres, Missouri, with an average temperature varying between 67.1°F (19.5°C) and 84.2°F (29°C).

Temperature

The transition to June introduces an increase in the average high-temperature, shifting from a moderately hot 74.8°F (23.8°C) in May to a still warm 84.2°F (29°C). Throughout June, Des Peres records an average temperature of 67.1°F (19.5°C) at night.

Heat index

June's average heat index is calculated to be a tropical 93.2°F (34°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The average relative humidity in June in Des Peres is 76%.

Rainfall

In Des Peres, in June, during 15.8 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Des Peres, during the entire year, the rain falls for 144.8 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

In Des Peres, snow does not fall in April through October.

Daylight

With an average of 14h and 48min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:38 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

The months with the most sunshine are June and July, 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 value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 6 in June transforms into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is June?

The high-temperature during June is 84.2°F (29°C) and the low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in June is calculated to be 93.2°F (34°C).

What is the average humidity in June?

The average relative humidity in June is 76%.

How many days does it rain in June in Des Peres?

In Des Peres, during June, the rain falls for 15.8 days and regularly aggregates up to 3.5" (89mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

When are the longest days?

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

What is the average length of the day in June?

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

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:38 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 are the months 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 Des Peres, Missouri, the average sunshine duration in June is 10.5h.

What is the month with the highest UV index?

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 estimate of 6 to 7 represents a high health threat from unprotected exposure to 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
Des Peres, MO

Average temperature in June - Des Peres, 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
Des Peres, MO

Average pressure in June - Des Peres, 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
Des Peres, MO

Average wind speed in June - Des Peres, 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
Des Peres, MO

Average humidity in June - Des Peres, 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
Des Peres, MO

Average rainfall in June - Des Peres, 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
Des Peres, MO

Average rainfall days in June - Des Peres, 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
Des Peres, MO

Average snowfall in June - Des Peres, 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
Des Peres, MO

Average snowfall days in June - Des Peres, 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
Des Peres, MO

Average daylight in June / Average sunshine in June - Des Peres, 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
Des Peres, MO

Average sunshine days in June - Des Peres, 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
Des Peres, MO

Average UV index in June - Des Peres, 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
Des Peres, MO

Average cloud cover in June - Des Peres, 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
Des Peres, MO

Average visibility in June - Des Peres, 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).

Des Peres, Missouri, USA

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