Climateby Month

Rockford, IL weather in March

NOAA 1991-2020 normals and daily records · Rockford all year

March in Rockford: chilly, with frequent rain and some snow. Highs 47°F, lows 28°F, rain or snow on about 11 days and about 4.9 in of snow.

Normal high
47°F
Normal low
28°F
Wet days
11
2.4 in total
Snowfall
4.9 in
snow on the ground 5 days

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high39°F54°F
Normal low23°F33°F
Chance of a wet day33%36%
Sunrise / sunset6:31 am / 5:45 pm6:40 am / 7:20 pm
Daylight11.2 h12.7 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical March day

  1. 6 am31°Fdew point 25°F
  2. 9 am36°Fdew point 27°F
  3. Noon42°Fdew point 27°F
  4. 3 pm44°Fdew point 27°F
  5. 6 pm41°Fdew point 27°F
  6. 9 pm36°Fdew point 27°F

NOAA hourly normals (local standard time) from Rockford Gtr Rockford Airport (5 mi away); average wind 10 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow11 of 31
  • Notable rainat least 0.10 in5 of 31
  • Freezing nightslow 32°F or below22 of 31
  • Snow on the groundsnow depth 1 in or more5 of 31

Average days per March, counted from daily records for each year 1991-2020.

Rain and snow in March

Normal precipitation is 2.4 in; a dry March brings about 1.3 in and a wet one about 3.4 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more. Normal snowfall is 4.9 in, with about 1 day of an inch or more.

How March varies from year to year

  • Warmest March, 1991-20202012: average high 63°F
  • Coolest March2013: average high 37°F
  • Wettest March2009: 5.8 in
  • Driest March2005: 0.4 in
  • Highest reading84°F (March 21, 2012)
  • Lowest reading-11°F (March 3, 2014)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

March compared with February and April

FebruaryMarchApril
Normal high33°F47°F60°F
Normal low18°F28°F39°F
Wet days91112
Comfortable days039
Daylight10.6 h11.9 h13.4 h

Highs change by +14°F from February and +13°F into April.

Nearby alternatives in March

How Rockford ranks in March

  • Normal high305th warmest of 378 cities; 6th of 8 in Illinois
  • Wet days268th driest of 378
  • Comfortable days257th most of 339

What to pack for Rockford in March

  • A warm jacket – lows near 28°F, highs near 47°F
  • A rain jacket or umbrella – rain or snow on about 11 days
  • Waterproof boots – about 4.9 in of snow in a typical year
  • A hat and gloves – about 22 freezing nights

Heating and cooling

March has 860 heating degree days and 2 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.

Questions

How cold is Rockford in March?

The normal high is 47°F and the normal low is 28°F. From 1991 to 2020 the coldest March reading was -11°F (most recently on March 3, 2014).

Does it rain a lot in Rockford in March?

About 11 days in March have at least 0.01 in of precipitation, and the normal total is 2.4 in. The wettest March in 1991-2020 was in 2009 (5.8 in); the driest was in 2005 (0.4 in).

Does it snow in Rockford in March?

Yes. Normal snowfall in March is 4.9 in, and snow covers the ground on about 5 days.

Is March a good time to visit Rockford?

March ranks 8th of 12 months on our comfort score for Rockford (45 out of 100). It has about 3 comfortable days. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Rockford Gtr Rockford Airport (USW00094822), 5.4 mi S of the city center, 730 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Greater Rockford Airport (725430-94822), 5.4 mi S of the city center, 725 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).