March weather forecast
Clayton, MO

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Weather in March

March, the first month of the spring in Clayton, is a fresh month, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 38.1°F (3.4°C).

Temperature

The commencement of March sees a shift in the average high-temperature, moving from a wintry 42.3°F (5.7°C) in February to a fresh 54.3°F (12.4°C). The average nighttime temperature lowers to a cold 38.1°F (3.4°C) throughout March.

Humidity

In Clayton, the average relative humidity in March is 75%.

Rainfall

In Clayton, in March, it is raining for 14.1 days, with typically 2.36" (60mm) of accumulated precipitation. In Clayton, during the entire year, the rain falls for 144.8 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Clayton. March is the last month it regularly snows in Clayton. During 1.9 snowfall days, in March, Clayton aggregates 1.1" (28mm) of snow. In Clayton, Missouri, during the entire year, snow falls for 16.2 days and aggregates up to 8.19" (208mm) of snow.

Daylight

In March, the average length of the day in Clayton is 11h and 59min.
On the first day of the month, sunrise is at 6:32 am and sunset at 5:54 pm CST. On the last day of March, in Clayton, sunrise is at 6:46 am and sunset at 7:24 pm CDT.
Note: 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 lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In March, the average sunshine is 6.5h.

UV index

In March, the average daily maximum UV index in Clayton is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 4 during March translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Resources | Updated: Feb 12, 2024 | Published by: Weather U.S.

Frequently asked questions

What is the average March temperature in Clayton?

An average high-temperature, in March, in Clayton, is 54.3°F (12.4°C) and the average low-temperature is 38.1°F (3.4°C).

What is the average humidity in March in Clayton?

In Clayton, the average relative humidity in March is 75%.

How many days does it rain in March in Clayton?

In Clayton, Missouri, during March, the rain falls for 14.1 days and regularly aggregates up to 2.36" (60mm) of precipitation.

What is the last month it snows in Clayton?

March is the last month it regularly snows in Clayton. During 1.9 snowfall days, in March, Clayton aggregates 1.1" (28mm) of snow.

What is the average length of the day in March in Clayton?

In Clayton, Missouri, the average day length in March is 11h and 59min.

What time are sunrise and sunset in March in Clayton?

In March, on the first day of the month, sunrise is at 6:32 am and sunset at 5:54 pm CST. On the last day of the month, in Clayton, sunrise is at 6:46 am and sunset at 7:24 pm CDT.

When does Daylight Saving Time (DST) start in March in Clayton?

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

How long on average sun shines in March in Clayton?

The average sunshine duration in March in Clayton is 6.5h.

What is the UV index intensity in March in Clayton?

In Clayton, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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 March
Clayton, MO

Average temperature in March - Clayton, MO
  • Average high temperature in March: 54.3°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 March: 38.1°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).

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Average pressure in March
Clayton, MO

Average pressure in March - Clayton, MO
  • Average pressure in March: 30.07"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).

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Average wind speed in March
Clayton, MO

Average wind speed in March - Clayton, MO
  • Average wind speed in March: 8.9mph

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).

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Average humidity in March
Clayton, MO

Average humidity in March - Clayton, MO
  • Average humidity in March: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in March
Clayton, MO

Average rainfall in March - Clayton, MO
  • Average rainfall in March: 2.36"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in March
Clayton, MO

Average rainfall days in March - Clayton, MO
  • Average rainfall days in March: 14.1 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).

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Average snowfall in March
Clayton, MO

Average snowfall in March - Clayton, MO
  • Average snowfall in March: 1.1"

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").

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Average snowfall days in March
Clayton, MO

Average snowfall days in March - Clayton, MO
  • Average snowfall days in March: 1.9 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).

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Average daylight in March /
Average sunshine in March
Clayton, MO

Average daylight in March / Average sunshine in March - Clayton, MO
  • Average daylight in March: 12h and 0min

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 March: 6h 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).

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Average sunshine days in March
Clayton, MO

Average sunshine days in March - Clayton, MO
  • Average sunshine days in March: 15.2 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in March
Clayton, MO

Average UV index in March - Clayton, MO
  • Average UV index in March: 4

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).

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Average cloud cover in March
Clayton, MO

Average cloud cover in March - Clayton, MO
  • Average cloud cover in March: 46

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in March
Clayton, MO

Average visibility in March - Clayton, MO
  • Average visibility in March: 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).

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Clayton, Missouri, USA

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