March weather forecast
Diagonal, IA

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Weather in March

March, the first month of the spring in Diagonal, is a frosty month, with an average temperature varying between 48.7°F (9.3°C) and 33.3°F (0.7°C).

Temperature

The start of March brings a distinct shift in the average high-temperature, escalating from February's cold 34.2°F (1.2°C) to a frosty 48.7°F (9.3°C). During March, Diagonal consistently records a temperature low averaging a cold 33.3°F (0.7°C).

Humidity

The average relative humidity in March is 75%.

Rainfall

In March, the rain falls for 10.1 days. Throughout March, 1.54" (39mm) of precipitation is accumulated. In Diagonal, during the entire year, the rain falls for 126.9 days and collects up to 22.6" (574mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Diagonal, Iowa, in March, snow falls for 3.6 days, with typically accumulated 1.26" (32mm) of snow. In Diagonal, during the entire year, snow falls for 28.7 days and aggregates up to 11.85" (301mm) of snow.

Daylight

The average length of the day in March in Diagonal is 11h and 58min.
On the first day of March in Diagonal, sunrise is at 6:49 am and sunset at 6:09 pm CST. On the last day of the month, sunrise is at 7:00 am and sunset at 7:41 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 Diagonal, the average sunshine in March is 6.2h.

UV index

In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In March, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of 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?

The high-temperature, in March, in Diagonal, is 48.7°F (9.3°C), while the low-temperature averages to 33.3°F (0.7°C).

What is the average humidity in March?

The average relative humidity in March is 75%.

How many days does it rain in March?

In Diagonal, during March, the rain falls for 10.1 days and regularly aggregates up to 1.54" (39mm) of precipitation.

How many days does it snow in March?

In March, it is snowing for 3.6 days. Throughout March, 1.26" (32mm) of snow is accumulated.

What is the average length of the day in March?

The average day length in March is 11h and 58min.

When are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:49 am and sunset at 6:09 pm CST. On the last day of the month, sunrise is at 7:00 am and sunset at 7:41 pm CDT.

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

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 many hours of sunshine does Diagonal have in March?

In Diagonal, the average sunshine duration in March is 6.2h.

How high is the UV index in March in Diagonal?

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

Average temperature in March - Diagonal, IA
  • Average high temperature in March: 48.7°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in March: 33.3°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in March
Diagonal, IA

Average pressure in March - Diagonal, IA
  • Average pressure in March: 30.06"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
Diagonal, IA

Average wind speed in March - Diagonal, IA
  • Average wind speed in March: 10.3mph

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in March
Diagonal, IA

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

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in March
Diagonal, IA

Average rainfall in March - Diagonal, IA
  • Average rainfall in March: 1.54"

The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").

Average rainfall days in March
Diagonal, IA

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

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in March
Diagonal, IA

Average snowfall in March - Diagonal, IA
  • Average snowfall in March: 1.26"

The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Diagonal, IA

Average snowfall days in March - Diagonal, IA
  • Average snowfall days in March: 3.6 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in March: 6h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in March
Diagonal, IA

Average sunshine days in March - Diagonal, IA
  • Average sunshine days in March: 15.8 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in March
Diagonal, IA

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

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

Average cloud cover in March
Diagonal, IA

Average cloud cover in March - Diagonal, IA
  • Average cloud cover in March: 48

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in March
Diagonal, IA

Average visibility in March - Diagonal, IA
  • 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).

Diagonal, Iowa, USA

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