March weather forecast
Waterloo, IL

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Weather in March

The first month of the spring, March, is a cool month in Waterloo, Illinois, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 54.5°F (12.5°C).

Temperature

The shift from February to March is marked by an increase in the average high-temperature, moving from a frosty 43.2°F (6.2°C) to a cool 54.5°F (12.5°C). The low-temperature averages to a cold 38.3°F (3.5°C) during the nights of March.

Humidity

In March, the average relative humidity is 76%.

Rainfall

In Waterloo, during March, the rain falls for 12.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Waterloo, during the entire year, the rain falls for 139.8 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

Months with snowfall in Waterloo are January through March, September, November and December. March is the last month it regularly snows in Waterloo. During 2 snowfall days, in March, Waterloo aggregates 1.02" (26mm) of snow. In Waterloo, during the entire year, snow falls for 18.7 days and aggregates up to 6.65" (169mm) of snow.

Daylight

The average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:31 am and sunset at 5:54 pm CST. On the last day of March, sunrise is at 6:45 am and sunset at 7:23 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 6.6h.

UV index

In Waterloo, the average daily maximum UV index in March is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 4 in March translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What are the temperatures in Waterloo in March?

The average high-temperature, in March, in Waterloo, is 54.5°F (12.5°C), while the average low-temperature is 38.3°F (3.5°C).

What is the average humidity in March in Waterloo?

In Waterloo, the average relative humidity in March is 76%.

How many days does it rain in March in Waterloo?

In March, in Waterloo, Illinois, the rain falls for 12.8 days. Throughout March, 1.97" (50mm) of precipitation is accumulated.

What is the last month it snows in Waterloo?

March is the last month it regularly snows. During 2 snowfall days, in March, Waterloo aggregates 1.02" (26mm) of snow.

How many hours of daylight does Waterloo have in March?

The average day length in March in Waterloo is 11h and 59min.

When are sunrise and sunset in March in Waterloo?

In March, on the first day of the month, sunrise is at 6:31 am and sunset at 5:54 pm CST. On the last day of the month, in Waterloo, sunrise is at 6:45 am and sunset at 7:23 pm CDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Waterloo, 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 Waterloo have in March?

In March, the average sunshine duration is 6.6h.

What is the UV index intensity in March in Waterloo?

The average daily maximum UV index in March in Waterloo is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Waterloo, IL

Average temperature in March - Waterloo, IL
  • Average high temperature in March: 54.5°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in March: 38.3°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in March
Waterloo, IL

Average pressure in March - Waterloo, IL
  • 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
Waterloo, IL

Average wind speed in March - Waterloo, IL
  • Average wind speed in March: 8.9mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in March
Waterloo, IL

Average humidity in March - Waterloo, IL
  • Average humidity in March: 76%

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
Waterloo, IL

Average rainfall in March - Waterloo, IL
  • Average rainfall in March: 1.97"

The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are February and November (1.34").

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Average rainfall days in March
Waterloo, IL

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

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in March
Waterloo, IL

Average snowfall in March - Waterloo, IL
  • Average snowfall in March: 1.02"

The month with the highest snowfall is January (1.89").
The months with the least snowfall are April, May, June, July, August and October (0").

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Average snowfall days in March
Waterloo, IL

Average snowfall days in March - Waterloo, IL
  • Average snowfall days in March: 2 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in March / Average sunshine in March - Waterloo, IL
  • 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 4min

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 42min).

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Average sunshine days in March
Waterloo, IL

Average sunshine days in March - Waterloo, IL
  • Average sunshine days in March: 15 days

The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in March
Waterloo, IL

Average UV index in March - Waterloo, IL
  • 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
Waterloo, IL

Average cloud cover in March - Waterloo, IL
  • Average cloud cover in March: 46

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).

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Average visibility in March
Waterloo, IL

Average visibility in March - Waterloo, 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).

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Waterloo, Illinois, USA

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