March weather forecast
Dedham, IA

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Weather in March

March, the first month of the spring in Dedham, is a chilly month, with an average temperature varying between 45.7°F (7.6°C) and 31.1°F (-0.5°C).

Temperature

A clear escalation in the average high-temperature marks the arrival of March, surging from a subzero cold 30.2°F (-1°C) in February to a chilly 45.7°F (7.6°C). Throughout March, the average low-temperature dips to a subzero cold 31.1°F (-0.5°C).

Humidity

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

Rainfall

In Dedham, in March, it is raining for 11.6 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 130.1 rainfall days, and 27.28" (693mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Dedham, in March, snow falls for 7 days, with typically accumulated 3.35" (85mm) of snow. In Dedham, during the entire year, snow falls for 44.8 days and aggregates up to 19.8" (503mm) of snow.

Daylight

In Dedham, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:10 pm CST. On the last day of March, sunrise is at 7:02 am and sunset at 7:44 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 Dedham, the average sunshine in March is 6.1h.

UV index

In March, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In March, the UV index of 3 transforms into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average March temperature?

In March, in Dedham, the average high-temperature is 45.7°F (7.6°C), and the average low-temperature is 31.1°F (-0.5°C).

What is the average humidity in March?

In March, the average relative humidity is 75%.

How much does it rain in March?

In Dedham, in March, during 11.6 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

How many days does it snow in March?

In Dedham, in March, during 7 snowfall days, 3.35" (85mm) of snow is typically accumulated.

What is the average length of the day in March?

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

What time are sunrise and sunset in March?

On the first day of March, sunrise is at 6:52 am and sunset at 6:10 pm CST. On the last day of the month, sunrise is at 7:02 am and sunset at 7:44 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 Dedham, the average sunshine duration in March is 6.1h.

What is the UV index reading in March?

In Dedham, Iowa, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Dedham, IA

Average temperature in March - Dedham, IA
  • Average high temperature in March: 45.7°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in March: 31.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in March
Dedham, IA

Average pressure in March - Dedham, IA
  • 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 (29.88"Hg).

Average wind speed in March
Dedham, IA

Average wind speed in March - Dedham, IA
  • Average wind speed in March: 10.7mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in March
Dedham, IA

Average humidity in March - Dedham, IA
  • Average humidity in March: 75%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).

Average rainfall in March
Dedham, IA

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

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in March
Dedham, IA

Average rainfall days in March - Dedham, IA
  • Average rainfall days in March: 11.6 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in March
Dedham, IA

Average snowfall in March - Dedham, IA
  • Average snowfall in March: 3.35"

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Dedham, IA

Average snowfall days in March - Dedham, IA
  • Average snowfall days in March: 7 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Dedham, 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 12min).

  • Average sunshine in March: 6h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in March
Dedham, IA

Average sunshine days in March - Dedham, IA
  • Average sunshine days in March: 14 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10 days).

Average UV index in March
Dedham, IA

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in March
Dedham, IA

Average cloud cover in March - Dedham, IA
  • Average cloud cover in March: 50

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in March
Dedham, IA

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

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

Dedham, Iowa, USA

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