March weather forecast
Mehlville, MO

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Weather in March

Transitioning into spring, March in Mehlville reveals a slight rise in temperatures and a notable surge in the incidence of rainfall. Putting the cold days behind, sunshine graces the town for longer hours per day. The snowfall significantly reduces, illustrating the retreat of the harsh winter months. As a remarkable fact, March records the highest number of rainy days, up to 14.1, indicating ample wet conditions. The breezy winds of March keep the town refreshed, maintaining a balance amidst the moisture surplus.

Temperature

As February transitions into March in Mehlville, a change in temperatures is observed, with average highs moving from a cold 42.6°F (5.9°C) to a fresh 54.5°F (12.5°C). Throughout March, the nighttime temperature averages to an icy 38.1°F (3.4°C).

Humidity

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

Rainfall

In Mehlville, in March, during 14.1 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 146.1 rainfall days, and 32.36" (822mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mehlville are January through March, November and December. March is the last month it regularly snows. During 1.5 snowfall days, in March, Mehlville aggregates 1.18" (30mm) of snow. Throughout the year, there are 15.3 snowfall days, and 8.27" (210mm) of snow is accumulated.

Daylight

The average length of the day in March in Mehlville 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, 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

The average sunshine in March is 6.4h.

UV index

In March, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In March, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average March temperature?

Mehlville in March has an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 38.1°F (3.4°C).

What is the average humidity in March?

In March, the average relative humidity is 75%.

How much does it rain in March?

In Mehlville, during March, the rain falls for 14.1 days and regularly aggregates up to 2.48" (63mm) of precipitation.

What is the last month it snows?

March is the last month it regularly snows. During 1.5 snowfall days, in March, Mehlville aggregates 1.18" (30mm) of snow.

What is the average length of the day in March?

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

What time are sunrise and sunset in March?

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, sunrise is at 6:46 am and sunset at 7:24 pm CDT.

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

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

How many hours of sunshine does Mehlville have in March?

In March, the average sunshine duration is 6.4h.

How high is the UV index in March?

In March, the average daily maximum UV index in Mehlville is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Mehlville, MO

Average temperature in March - Mehlville, MO
  • Average high temperature in March: 54.5°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 (37.9°F).

  • Average low temperature in March: 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 (25°F).

Average pressure in March
Mehlville, MO

Average pressure in March - Mehlville, 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).

Average wind speed in March
Mehlville, MO

Average wind speed in March - Mehlville, MO
  • Average wind speed in March: 8.8mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in March
Mehlville, MO

Average humidity in March - Mehlville, 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 (71%).

Average rainfall in March
Mehlville, MO

Average rainfall in March - Mehlville, MO
  • Average rainfall in March: 2.48"

The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are February and November (1.77").

Average rainfall days in March
Mehlville, MO

Average rainfall days in March - Mehlville, MO
  • Average rainfall days in March: 14.1 days

The month with the highest number of rainy days is July (16.9 days).
The months with the least rainy days are January and February (6.8 days).

Average snowfall in March
Mehlville, MO

Average snowfall in March - Mehlville, MO
  • Average snowfall in March: 1.18"

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 March
Mehlville, MO

Average snowfall days in March - Mehlville, MO
  • Average snowfall days in March: 1.5 days

The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Mehlville, 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 2min

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

Average sunshine days in March
Mehlville, MO

Average sunshine days in March - Mehlville, MO
  • Average sunshine days in March: 14.8 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in March
Mehlville, MO

Average UV index in March - Mehlville, 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).

Average cloud cover in March
Mehlville, MO

Average cloud cover in March - Mehlville, MO
  • Average cloud cover in March: 47

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in March
Mehlville, MO

Average visibility in March - Mehlville, 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).

Mehlville, Missouri, USA

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