March weather forecast
Saint David, IL

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Weather in March

The first month of the spring, March, is a frosty month in Saint David, Illinois, with an average temperature varying between 49.6°F (9.8°C) and 34.3°F (1.3°C).

Temperature

In Saint David, the onset of March comes with an increased average high-temperature, moving from February's icy 36.3°F (2.4°C) to a chilly 49.6°F (9.8°C). Throughout March, an average nighttime temperature of 34.3°F (1.3°C) is experienced in Saint David.

Humidity

The average relative humidity in March is 75%.

Rainfall

In Saint David, in March, it is raining for 11.9 days, with typically 1.65" (42mm) of accumulated precipitation. In Saint David, Illinois, during the entire year, the rain falls for 131.7 days and collects up to 22.48" (571mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In March, it is snowing for 3.3 days. Throughout March, 1.34" (34mm) of snow is accumulated. Throughout the year, there are 27.4 snowfall days, and 9.21" (234mm) of snow is accumulated.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:32 am and sunset at 5:52 pm CST. On the last day of the month, sunrise is at 6:44 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 Saint David, the average sunshine in March is 6.5h.

UV index

In Saint David, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In March, a regular UV index of 3 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What are March temperatures?

During March, Saint David experiences an average high-temperature of 49.6°F (9.8°C) and a low-temperature of 34.3°F (1.3°C).

What is the average humidity in March?

In March, the average relative humidity is 75%.

How much does it rain in March?

In March, the rain falls for 11.9 days. Throughout March, 1.65" (42mm) of precipitation is accumulated.

How many days does it snow in March?

In Saint David, Illinois, in March, during 3.3 snowfall days, 1.34" (34mm) of snow is typically accumulated.

What is the average length of the day in March?

In March, the average day length is 11h and 58min.

When is the sunrise / sunset in March?

On the first day of March, sunrise is at 6:32 am and sunset at 5:52 pm CST. On the last day of the month, sunrise is at 6:44 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 long on average sun shines in March?

In March, the average sunshine duration is 6.5h.

What is the UV index intensity in March?

In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Saint David, IL

Average temperature in March - Saint David, IL
  • Average high temperature in March: 49.6°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in March: 34.3°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in March
Saint David, IL

Average pressure in March - Saint David, IL
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in March
Saint David, IL

Average wind speed in March - Saint David, IL
  • Average wind speed in March: 10.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in March
Saint David, IL

Average humidity in March - Saint David, IL
  • Average humidity in March: 75%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in March
Saint David, IL

Average rainfall in March - Saint David, IL
  • Average rainfall in March: 1.65"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").

Average rainfall days in March
Saint David, IL

Average rainfall days in March - Saint David, IL
  • Average rainfall days in March: 11.9 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).

Average snowfall in March
Saint David, IL

Average snowfall in March - Saint David, IL
  • Average snowfall in March: 1.34"

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in March
Saint David, IL

Average snowfall days in March - Saint David, IL
  • Average snowfall days in March: 3.3 days

The month with the highest number of snowfall days is January (9.4 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
Saint David, IL

Average daylight in March / Average sunshine in March - Saint David, IL
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in March: 6h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in March
Saint David, IL

Average sunshine days in March - Saint David, IL
  • Average sunshine days in March: 16.3 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in March
Saint David, IL

Average UV index in March - Saint David, IL
  • Average UV index in March: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in March
Saint David, IL

Average cloud cover in March - Saint David, IL
  • Average cloud cover in March: 48

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in March
Saint David, IL

Average visibility in March - Saint David, IL
  • 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).

Saint David, Illinois, USA

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