March weather forecast and climate
Marion, IL

Weather in March

March, the first month of the spring, in Marion, is a cool month, with average temperature varying between 38.8°F (3.8°C) and 55.2°F (12.9°C).

Temperature

In Marion, Illinois, the average high-temperature increases, from a chilly 43.7°F (6.5°C) in February, to a cool 55.2°F (12.9°C). In March, in Marion, the average low-temperature is 38.8°F (3.8°C).

Humidity

In Marion, the average relative humidity in March is 77%.

Rainfall

In Marion, it is raining for 12.8 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Marion, there are 137.6 rainfall days, and 23.03" (585mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Marion. In Marion, during 1.8 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Marion, Illinois, during the entire year, snow falls for 14.5 days, and aggregates up to 4.13" (105mm) of snow.

Daylight

In March, the average length of the day is 12h.

Sunshine

In March, the average sunshine is 6.4h.

UV index

In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in March in Marion?

In March, the average relative humidity in Marion, Illinois, is 77%.

How much does it rain in Marion in March?

In Marion, in March, during 12.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

How much does it snow in Marion in March?

In Marion, Illinois, in March, snow falls for 1.8 days, with typically accumulated 0.67" (17mm) of snow.

How many hours of daylight does Marion have in March?

In Marion, Illinois, the average length of the day in March is 12h.

How many hours of sunshine does Marion have in March?

In March, the average sunshine in Marion, Illinois, is 6.4h.

How high is the UV index in March in Marion?

In Marion, Illinois, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in March
Marion, IL

Average temperature in March - Marion, IL
  • Average high temperature in March: 55.2°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in March: 38.8°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in March
Marion, IL

Average pressure in March - Marion, IL
  • Average pressure in March: 30.08"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in March
Marion, IL

Average wind speed in March - Marion, IL
  • Average wind speed in March: 9.3mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in March
Marion, IL

Average humidity in March - Marion, IL
  • Average humidity in March: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in March
Marion, IL

Average rainfall in March - Marion, IL
  • Average rainfall in March: 2.09"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").

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Average rainfall days in March
Marion, IL

Average rainfall days in March - Marion, IL
  • Average rainfall days in March: 12.8 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in March
Marion, IL

Average snowfall in March - Marion, IL
  • Average snowfall in March: 0.67"

Months with the highest snowfall are January and February (0.94").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Marion, IL

Average snowfall days in March - Marion, IL
  • Average snowfall days in March: 1.8 days

The month with the highest number of snowfall days is February (4.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in March /
Average sunshine in March
Marion, IL

Average daylight in March / Average sunshine in March - Marion, IL
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in March: 6.4h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 4.6h).

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Average sunshine days in March
Marion, IL

Average sunshine days in March - Marion, IL
  • Average sunshine days in March: 14.9 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in March
Marion, IL

Average UV index in March - Marion, IL
  • Average UV index in March: 4

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

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Average cloud cover in March
Marion, IL

Average cloud cover in March - Marion, IL
  • Average cloud cover in March: 48

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are June, August and September (Cloud cover 28).

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Average visibility in March
Marion, IL

Average visibility in March - Marion, IL
  • Average visibility in March: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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