March weather forecast
Delavan, IL

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Weather in March

The first month of the spring, March, is a chilly month in Delavan, Illinois, with an average temperature ranging between max 49.6°F (9.8°C) and min 34.5°F (1.4°C).

Temperature

In Delavan, stepping into March brings a temperature increase, moving up from February's wintry 36.3°F (2.4°C) to a chilly 49.6°F (9.8°C). Nighttime temperature dips to a mean of 34.5°F (1.4°C) during March.

Humidity

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

Rainfall

In Delavan, in March, it is raining for 11.8 days, with typically 1.57" (40mm) of accumulated precipitation. In Delavan, during the entire year, the rain falls for 131.4 days and collects up to 20.08" (510mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Delavan, in March, snow falls for 3.2 days, with typically accumulated 1.5" (38mm) of snow. In Delavan, during the entire year, snow falls for 25.8 days and aggregates up to 8.66" (220mm) of snow.

Daylight

The average length of the day in March is 11h and 59min.
On the first day of March, sunrise is at 6:30 am and sunset at 5:50 pm CST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:22 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 Delavan, the average sunshine in March is 6.5h.

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 ordinary person.
Note: The UV index of 3 during March translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures?

In March, in Delavan, the average high-temperature is 49.6°F (9.8°C), and the average low-temperature is 34.5°F (1.4°C).

What is the average humidity in March?

In March, the average relative humidity is 75%.

How much does it rain in March?

In Delavan, in March, it is raining for 11.8 days, with typically 1.57" (40mm) of accumulated precipitation.

How many days does it snow in March?

In March, it is snowing for 3.2 days. Throughout March, 1.5" (38mm) of snow is accumulated.

How many hours of daylight does Delavan have in March?

In March, the average day length is 11h and 59min.

What time are sunrise and sunset in March in Delavan?

In March, on the first day of the month, sunrise is at 6:30 am and sunset at 5:50 pm CST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:22 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?

The average sunshine duration in March is 6.5h.

How high is the UV index in March?

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

Average temperature in March - Delavan, IL
  • Average high temperature in March: 49.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in March: 34.5°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in March
Delavan, IL

Average pressure in March - Delavan, IL
  • 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 (29.91"Hg).

Average wind speed in March
Delavan, IL

Average wind speed in March - Delavan, IL
  • Average wind speed in March: 10.3mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in March
Delavan, IL

Average humidity in March - Delavan, IL
  • Average humidity in March: 75%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

Average rainfall in March
Delavan, IL

Average rainfall in March - Delavan, IL
  • Average rainfall in March: 1.57"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in March
Delavan, IL

Average rainfall days in March - Delavan, IL
  • Average rainfall days in March: 11.8 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in March
Delavan, IL

Average snowfall in March - Delavan, IL
  • Average snowfall in March: 1.5"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Delavan, IL

Average snowfall days in March - Delavan, IL
  • Average snowfall days in March: 3.2 days

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

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

Average daylight in March / Average sunshine in March - Delavan, IL
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in March: 6h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in March
Delavan, IL

Average sunshine days in March - Delavan, IL
  • Average sunshine days in March: 16.1 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in March
Delavan, IL

Average UV index in March - Delavan, IL
  • Average UV index in March: 3

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

Average cloud cover in March
Delavan, IL

Average cloud cover in March - Delavan, IL
  • Average cloud cover in March: 47

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in March
Delavan, IL

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

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

Delavan, Illinois, USA

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