June weather forecast
Webster Groves, MO

Share

Weather in June

June brings eagerly anticipated summer weather to Webster Groves, Missouri. Robust daylight conditions persist, especially towards the end of the month, leading to more outdoor activities and enjoyment of local attractions. High temperatures signpost the peak of the season, creating a quintessential summer atmosphere with frequent visits to swimming pools and air conditioning becoming a norm. Humidity is present, but the breezy climate helps counter the adverse effects. Sudden, brief showers or thunderstorms are not uncommon in this period, adding to the season's character.

Temperature

June brings a temperature change, with average high-temperatures moving from May's 74.8°F (23.8°C) to a still warm 84.2°F (29°C). Webster Groves experiences a mean temperature of 67.1°F (19.5°C) during June nights.

Heat index

The average heat index in June is calculated to be a tropical 93.2°F (34°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 are highly critical to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

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

Rainfall

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

Snowfall

April through October are months without snowfall.

Daylight

June has the longest days of the year, with an average of 14h and 48min of daylight.
On the first day of June, 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 8:29 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 6 during June morphs into the following directions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during June?

During June, Webster Groves experiences an average high-temperature of 84.2°F (29°C) and a low-temperature of 67.1°F (19.5°C). In June, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, 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 Webster Groves, in June, during 15.8 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

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.

How many hours of daylight does Webster Groves have in June?

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

When is the sunrise / 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 8:29 pm CDT.

What is the month with the most sunshine in Webster Groves?

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?

The average sunshine duration in June is 10.5h.

What are the months with the highest UV index?

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

How high is the UV index in June?

In June, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes 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
Webster Groves, MO

Average temperature in June - Webster Groves, 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
Webster Groves, MO

Average pressure in June - Webster Groves, 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
Webster Groves, MO

Average wind speed in June - Webster Groves, 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
Webster Groves, MO

Average humidity in June - Webster Groves, 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
Webster Groves, MO

Average rainfall in June - Webster Groves, 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
Webster Groves, MO

Average rainfall days in June - Webster Groves, 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
Webster Groves, MO

Average snowfall in June - Webster Groves, 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
Webster Groves, MO

Average snowfall days in June - Webster Groves, 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
Webster Groves, MO

Average daylight in June / Average sunshine in June - Webster Groves, 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
Webster Groves, MO

Average sunshine days in June - Webster Groves, 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
Webster Groves, MO

Average UV index in June - Webster Groves, 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
Webster Groves, MO

Average cloud cover in June - Webster Groves, 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
Webster Groves, MO

Average visibility in June - Webster Groves, 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).

Webster Groves, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location