Climate and monthly weather forecast
Valley Park, MO

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Weather in January

January, the same as December, is an icy winter month in Valley Park, Missouri, with an average temperature fluctuating between 24.6°F (-4.1°C) and 38.1°F (3.4°C). In Valley Park, the lowest average temperatures are observed in January, with a high of 38.1°F (3.4°C) and a low of 24.6°F (-4.1°C). Weather in January »

Weather in February

February, the last month of the winter in Valley Park, is a chilly month, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 28°F (-2.2°C). At the start of February, Valley Park's average high-temperature reaches a chilly 42.8°F (6°C), subtly different from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Valley Park, Missouri, with an average temperature fluctuating between 54.5°F (12.5°C) and 38.3°F (3.5°C). The arrival of March brings an increase in high-temperatures, moving from a chilly 42.8°F (6°C) in February to a cool 54.5°F (12.5°C). Weather in March »

Weather in April

April in Valley Park, Missouri, is an enjoyable spring month, with an average temperature ranging between max 65.8°F (18.8°C) and min 48°F (8.9°C). Valley Park's transition into April is marked by a temperature shift, moving from a fresh 54.5°F (12.5°C) in March to an enjoyable 65.8°F (18.8°C). Weather in April »

Weather in May

May, the last month of the spring in Valley Park, is a moderately hot month, with an average temperature fluctuating between 57.6°F (14.2°C) and 75.6°F (24.2°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a refreshing 65.8°F (18.8°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »

Weather in June

June, the first month of the summer in Valley Park, is also a moderately hot month, with an average temperature ranging between min 66.4°F (19.1°C) and max 84.7°F (29.3°C). Valley Park's transition into June is marked by a rise in the average high-temperature, advancing from a moderately hot 75.6°F (24.2°C) in May to a still warm 84.7°F (29.3°C). Weather in June »

Weather in July

July is a hot summer month in Valley Park, Missouri, with an average temperature fluctuating between 87.4°F (30.8°C) and 69.3°F (20.7°C). Valley Park's July weather reaches an average high of 87.4°F (30.8°C) and an average low of 69.3°F (20.7°C), making it the warmest month. The heat index for July is estimated at a fiery hot 102.2°F (39°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Valley Park, Missouri, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 67.5°F (19.7°C). The transition into August reveals an average high-temperature of a still tropical 86.5°F (30.3°C), mirroring a close resemblance to July. Weather in August »

Weather in September

September, the first month of the autumn in Valley Park, is also a moderately hot month, with an average temperature varying between 80.1°F (26.7°C) and 60.1°F (15.6°C). Valley Park's September weather features a light decline in high-temperatures, reducing from a hot 86.5°F (30.3°C) in August to a warm 80.1°F (26.7°C). Weather in September »

Weather in October

October, like September, in Valley Park, Missouri, is another refreshing autumn month, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 49.1°F (9.5°C). As September transitions into October, Valley Park sees a drop in the average high-temperature, transitioning from a warm 80.1°F (26.7°C) to a comfortable 66.6°F (19.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Valley Park, Missouri, with an average temperature varying between 53.4°F (11.9°C) and 38.1°F (3.4°C). The start of November involves a temperature drop, moving from a comfortable 66.6°F (19.2°C) in October to a cool 53.4°F (11.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Valley Park, Missouri, with an average temperature fluctuating between 43°F (6.1°C) and 30.6°F (-0.8°C). Valley Park's December weather comes with a decrease in average high-temperatures, moving from a fresh 53.4°F (11.9°C) in November to a chilly 43°F (6.1°C). Weather in December »
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

In Valley Park, the average lowest temperatures are observed in January, with a high of 38.1°F (3.4°C) and a low of 24.6°F (-4.1°C).

How many days does it rain?

Throughout the year, there are 141.7 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

When does it snow?

January through March, September, November and December are months with snowfall.

When does it snow the most in Valley Park?

The month with the most snowfall in Valley Park is January, when snow falls for 6.7 days and typically aggregates up to 2.52" (64mm) of snow.

How much does it snow in Valley Park?

In Valley Park, during the entire year, snow falls for 18.9 days and aggregates up to 7.2" (183mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.5h of sunshine.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the driest month in Valley Park?

February is the month with the least rainfall in Valley Park. Rain falls for 7.5 days and accumulates 1.54" (39mm) of precipitation.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow?

In Valley Park, snow does not fall in April through August and October.

What is the most humid month?

The most humid month is May, with an average relative humidity of 78%.

What is the wettest month in Valley Park?

The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 4.09" (104mm) of precipitation.

When are the longest days?

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

What are the months with the most sunshine?

June and July, with an average of 10.4h of sunshine, are months with the most sunshine.

What is the warmest month?

In Valley Park, the average temperatures in July are the highest, with a peak at 87.4°F (30.8°C) and a low of 69.3°F (20.7°C).

What is the month with the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 7.

What is the least humid month?

The least humid month is October, with an average relative humidity of 71%.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

Average temperature
Valley Park, MO

Average temperature - Valley Park, MO

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.1°F).

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure
Valley Park, MO

Average pressure - Valley Park, MO

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
Valley Park, MO

Average wind speed - Valley Park, MO

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity
Valley Park, MO

Average humidity - Valley Park, MO

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Valley Park, MO

Average rainfall - Valley Park, MO

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.54").

Average rainfall days
Valley Park, MO

Average rainfall days - Valley Park, MO

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.3 days).

Average snowfall
Valley Park, MO

Average snowfall - Valley Park, MO

The month with the highest snowfall is January (2.52").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days
Valley Park, MO

Average snowfall days - Valley Park, MO

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are April, May, June, July and August (0 days).

Average daylight / Average sunshine
Valley Park, MO

Average daylight / Average sunshine - Valley Park, MO

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).

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days
Valley Park, MO

Average sunshine days - Valley Park, MO

The month with the most sunshine days is December (20.1 days).
The months with the least sunshine days are May and July (12.6 days).

Average UV index
Valley Park, MO

Average UV index - Valley Park, MO

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Valley Park, MO

Average visibility - Valley Park, MO

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).

Valley Park, Missouri, USA

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