Climate and monthly weather forecast
Gray Summit, MO

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Weather in January

January, the same as December, is another cold winter month in Gray Summit, Missouri, with an average temperature ranging between min 24.4°F (-4.2°C) and max 38.5°F (3.6°C). Gray Summit's temperature records reveal January as the coldest month, marked by average highs of 38.5°F (3.6°C) and lows of 24.4°F (-4.2°C). Weather in January »

Weather in February

February, the last month of the winter in Gray Summit, is a chilly month, with an average temperature fluctuating between 42.8°F (6°C) and 27.9°F (-2.3°C). During February, the average high-temperature is a frosty 42.8°F (6°C), maintaining a close resemblance to that of the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Gray Summit, is a fresh month, with an average temperature varying between 54.9°F (12.7°C) and 37.9°F (3.3°C). The shift into March is characterized by a rise in the average high-temperature, transitioning from February's chilly 42.8°F (6°C) to a cool 54.9°F (12.7°C). Weather in March »

Weather in April

April is a refreshing spring month in Gray Summit, Missouri, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 47.5°F (8.6°C). April shows a rise in the average high-temperature, moving from March's fresh 54.9°F (12.7°C) to an enjoyable 66.2°F (19°C). Weather in April »

Weather in May

May, the last month of the spring in Gray Summit, is a warm month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 75.7°F (24.3°C). Entering May, Gray Summit sees a temperature rise, with the average high-temperature advancing from April's enjoyable 66.2°F (19°C) to a warm 75.7°F (24.3°C). Weather in May »

Weather in June

June, the first month of the summer in Gray Summit, is still a warm month, with an average temperature varying between 85.5°F (29.7°C) and 65.7°F (18.7°C). Gray Summit in June shows a temperature shift, moving from an average high of a moderately hot 75.7°F (24.3°C) in May to a still warm 85.5°F (29.7°C). Weather in June »

Weather in July

July in Gray Summit, Missouri, is a hot summer month, with an average temperature fluctuating between 88.2°F (31.2°C) and 68.4°F (20.2°C). In Gray Summit, July records the highest average temperatures, peaking at 88.2°F (31.2°C) and reaching a low of 68.4°F (20.2°C). In July, the average heat index is appraised at a blistering 104°F (40°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Gray Summit, Missouri, with an average temperature fluctuating between 86.5°F (30.3°C) and 66.7°F (19.3°C). In Gray Summit, August's average high-temperature stands at a still tropical 86.5°F (30.3°C), closely related to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Gray Summit, is also a moderately hot month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 59.7°F (15.4°C). September heralds a minor drop in average high-temperature, sliding from August's tropical 86.5°F (30.3°C) to a moderately hot 79.7°F (26.5°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Gray Summit, Missouri, with an average temperature ranging between min 48.4°F (9.1°C) and max 66.6°F (19.2°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a warm 79.7°F (26.5°C) to a comfortable 66.6°F (19.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Gray Summit, is another cool month, with an average temperature fluctuating between 37.9°F (3.3°C) and 53.8°F (12.1°C). The onset of November comes with a shift in the average high-temperature, falling from a refreshing 66.6°F (19.2°C) in October to a cool 53.8°F (12.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Gray Summit, Missouri, with an average temperature varying between 30°F (-1.1°C) and 43.3°F (6.3°C). The onset of December coincides with a reduction in the average high-temperature, falling from a fresh 53.8°F (12.1°C) in November to a frosty 43.3°F (6.3°C). Weather in December »
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January is the coldest month in Gray Summit, exhibiting average temperatures of 38.5°F (3.6°C) at the peak and 24.4°F (-4.2°C) at the base.

How many days does it rain?

Throughout the year, there are 138.9 rainfall days, and 28.54" (725mm) of precipitation is accumulated.

When does it snow?

January through March, November and December are months with snowfall in Gray Summit.

How much does it snow?

Throughout the year, there are 16.3 snowfall days, and 5.08" (129mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 4.7h of sunshine, January has the least sunshine of the year.

When is the lowest UV index?

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

What is the driest month?

The month with the least rainfall in Gray Summit is February, when the rain falls for 7.5 days and typically collects 1.42" (36mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 4.6 days and typically aggregates up to 1.46" (37mm) of snow.

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 Gray Summit, snow does not fall in April through October.

What is the most humid month?

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

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 3.5" (89mm) of precipitation.

What are the months with the highest UV index?

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

When are the longest days?

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

What is the month with the most sunshine?

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

What month is the hottest?

Temperature records in Gray Summit mark July as the warmest month, with highs averaging 88.2°F (31.2°C) and lows at 68.4°F (20.2°C).

What is the least humid month?

With an average relative humidity of 72%, October is the least humid month.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

Average temperature
Gray Summit, MO

Average temperature - Gray Summit, MO

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (38.5°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 (24.4°F).

Average pressure
Gray Summit, MO

Average pressure - Gray Summit, 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
Gray Summit, MO

Average wind speed - Gray Summit, MO

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity
Gray Summit, MO

Average humidity - Gray Summit, MO

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Gray Summit, MO

Average rainfall - Gray Summit, MO

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days
Gray Summit, MO

Average rainfall days - Gray Summit, MO

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.6 days).

Average snowfall
Gray Summit, MO

Average snowfall - Gray Summit, MO

The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Gray Summit, MO

Average snowfall days - Gray Summit, MO

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Gray Summit, MO

Average daylight / Average sunshine - Gray Summit, 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 42min).

Average sunshine days
Gray Summit, MO

Average sunshine days - Gray Summit, MO

The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is May (12.5 days).

Average UV index
Gray Summit, MO

Average UV index - Gray Summit, MO

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 visibility
Gray Summit, MO

Average visibility - Gray Summit, 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).

Gray Summit, Missouri, USA

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