March weather forecast
Waterloo, IA

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Weather in March

As winter fades and spring emerges, March experiences a noticeable increase in temperature, presenting more opportunity for outdoor activities. The city beholds a significant reduction in snowfall and an increase in rainfall, indicating the commencement of the spring melting period. Equally notable, the average high temperature jumps to 44.1°F (6.7°C) while the low averages 29.7°F (-1.3°C). Increasing daylight hours provide local residents with more time to partake in activities outside their home. Despite the warming trend, March still requires appropriate winter garments most days.

Temperature

The average high-temperature exhibits a considerable increase in March, surging from a subzero cold 28.4°F (-2°C) in February to a chilly 44.1°F (6.7°C). In Waterloo, the average low-temperature during the month of March is a freezing cold 29.7°F (-1.3°C).

Humidity

The average relative humidity in March in Waterloo is 78%.

Rainfall

In Waterloo, Iowa, during March, the rain falls for 10.1 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 133.6 rainfall days, and 28.27" (718mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Waterloo. In Waterloo, in March, snow falls for 5.2 days, with typically accumulated 1.61" (41mm) of snow. In Waterloo, during the entire year, snow falls for 41.6 days and aggregates up to 15.24" (387mm) of snow.

Daylight

The average length of the day in March in Waterloo is 11h and 58min.
On the first day of March, sunrise is at 6:43 am and sunset at 5:59 pm CST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:34 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 6.1h.

UV index

In March, the average daily maximum UV index in Waterloo, Iowa, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 3 during March leads to these advisories:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

Is it cold in Waterloo during March?

During March, Waterloo experiences an average high-temperature of 44.1°F (6.7°C) and a low-temperature of 29.7°F (-1.3°C).

What is the average humidity in March in Waterloo?

The average relative humidity in March is 78%.

How many days does it rain in March in Waterloo?

In March, the rain falls for 10.1 days. Throughout March, 1.73" (44mm) of precipitation is accumulated.

How many days does it snow in March in Waterloo?

In Waterloo, in March, snow falls for 5.2 days, with typically accumulated 1.61" (41mm) of snow.

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

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

When is the sunrise / sunset in March in Waterloo?

On the first day of March in Waterloo, sunrise is at 6:43 am and sunset at 5:59 pm CST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:34 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, Iowa, 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 Waterloo, the average sunshine duration in March is 6.1h.

What is the UV index intensity in March in Waterloo?

In March, the average daily maximum UV index is 3. A UV Index reading 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
Waterloo, IA

Average temperature in March - Waterloo, IA
  • Average high temperature in March: 44.1°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in March: 29.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure in March
Waterloo, IA

Average pressure in March - Waterloo, IA
  • 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 (29.89"Hg).

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Average wind speed in March
Waterloo, IA

Average wind speed in March - Waterloo, IA
  • Average wind speed in March: 10.4mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in March
Waterloo, IA

Average humidity in March - Waterloo, IA
  • Average humidity in March: 78%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in March
Waterloo, IA

Average rainfall in March - Waterloo, IA
  • Average rainfall in March: 1.73"

The wettest month (with the highest rainfall) is June (4.29").
The driest months (with the least rainfall) are January and February (1.02").

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Average rainfall days in March
Waterloo, IA

Average rainfall days in March - Waterloo, IA
  • Average rainfall days in March: 10.1 days

The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (4 days).

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Average snowfall in March
Waterloo, IA

Average snowfall in March - Waterloo, IA
  • Average snowfall in March: 1.61"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Waterloo, IA

Average snowfall days in March - Waterloo, IA
  • Average snowfall days in March: 5.2 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Waterloo, IA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in March: 6h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in March
Waterloo, IA

Average sunshine days in March - Waterloo, IA
  • Average sunshine days in March: 15.1 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (10 days).

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Average UV index in March
Waterloo, IA

Average UV index in March - Waterloo, IA
  • Average UV index in March: 3

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in March
Waterloo, IA

Average cloud cover in March - Waterloo, IA
  • Average cloud cover in March: 51

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in March
Waterloo, IA

Average visibility in March - Waterloo, IA
  • Average visibility in March: 6mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Waterloo, Iowa, USA

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