March weather forecast
Rock Island, IL

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Weather in March

The first month of the spring, March, is a frosty month in Rock Island, Illinois, with temperature in the range of an average low of 32°F (0°C) and an average high of 46.8°F (8.2°C).

Temperature

Rock Island's transition into March is marked by a temperature shift, moving from a cold 32.7°F (0.4°C) in February to a chilly 46.8°F (8.2°C). In March, Rock Island experiences an average nighttime temperature of 32°F (0°C).

Humidity

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

Rainfall

In Rock Island, in March, it is raining for 11 days, with typically 1.85" (47mm) of accumulated precipitation. In Rock Island, during the entire year, the rain falls for 138.1 days and collects up to 27.32" (694mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Rock Island. In March, in Rock Island, Illinois, it is snowing for 4.7 days. Throughout March, 1.73" (44mm) of snow is accumulated. Throughout the year, in Rock Island, Illinois, there are 35.5 snowfall days, and 12.8" (325mm) of snow is accumulated.

Daylight

The average length of the day in March in Rock Island is 11h and 58min.
On the first day of the month, sunrise is at 6:35 am and sunset at 5:53 pm CST. On the last day of March, sunrise is at 6:45 am and sunset at 7:26 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 Rock Island, the average sunshine in March is 6.3h.

UV index

In March, the average daily maximum UV index in Rock Island is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 during March translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the temperature in March in Rock Island?

The high-temperature, in March, in Rock Island, records 46.8°F (8.2°C), while the low-temperature is 32°F (0°C).

What is the average humidity in March in Rock Island?

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

How much does it rain in Rock Island in March?

In Rock Island, Illinois, in March, during 11 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

How much does it snow in Rock Island in March?

In Rock Island, Illinois, in March, snow falls for 4.7 days, with typically accumulated 1.73" (44mm) of snow.

What is the average length of the day in March in Rock Island?

In Rock Island, Illinois, the average day length in March is 11h and 58min.

What time are sunrise and sunset in March in Rock Island?

On the first day of March in Rock Island, sunrise is at 6:35 am and sunset at 5:53 pm CST. On the last day of the month, sunrise is at 6:45 am and sunset at 7:26 pm CDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rock Island, Illinois, 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 Rock Island?

In March, the average sunshine duration in Rock Island, Illinois, is 6.3h.

How high is the UV index in March in Rock Island?

In March, the average daily maximum UV index in Rock Island, Illinois, is 3. A UV Index of 3 to 5 symbolizes 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
Rock Island, IL

Average temperature in March - Rock Island, IL
  • Average high temperature in March: 46.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in March: 32°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in March
Rock Island, IL

Average pressure in March - Rock Island, IL
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in March
Rock Island, IL

Average wind speed in March - Rock Island, 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 (6.7mph).

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Average humidity in March
Rock Island, IL

Average humidity in March - Rock Island, IL
  • Average humidity in March: 75%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in March
Rock Island, IL

Average rainfall in March - Rock Island, IL
  • Average rainfall in March: 1.85"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is February (1.1").

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Average rainfall days in March
Rock Island, IL

Average rainfall days in March - Rock Island, IL
  • Average rainfall days in March: 11 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in March
Rock Island, IL

Average snowfall in March - Rock Island, IL
  • Average snowfall in March: 1.73"

The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Rock Island, IL

Average snowfall days in March - Rock Island, IL
  • Average snowfall days in March: 4.7 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in March /
Average sunshine in March
Rock Island, IL

Average daylight in March / Average sunshine in March - Rock Island, IL
  • 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 12min).

  • Average sunshine in March: 6h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in March
Rock Island, IL

Average sunshine days in March - Rock Island, IL
  • Average sunshine days in March: 15.7 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in March
Rock Island, IL

Average UV index in March - Rock Island, IL
  • Average UV index in March: 3

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

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Average cloud cover in March
Rock Island, IL

Average cloud cover in March - Rock Island, IL
  • Average cloud cover in March: 50

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in March
Rock Island, IL

Average visibility in March - Rock Island, 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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Rock Island, Illinois, USA

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