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Weather on December 29

Rockford, IL

55 Years of Data

Avg High
33°F
Avg Low
18°F
Warmest
2022
50°F avg
Coldest
1976
-4°F avg

About This Date

December 29th in Rockford, IL typically brings cold winter weather, with average highs around 33°F and lows near 18°F. Over 55 years of records, the warmest December 29th was in 2022 (50°F average), while the coldest was 1976 (-4°F) — a 54°F range across recorded history. Precipitation has occurred on 38% of recorded December 29th dates, with snow falling 25% of the time (heaviest snowfall: 5.7"). The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.

Planning for December 29th in Rockford, IL? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.

Warming Trend
1.5°F per decade on this date
YearHighLowAvgPrecipSnow
202522°12°17°0.03"0.8"
202444°34°39°
202337°22°30°0.05"
2022warmest61°39°50°
202135°22°29°0.13"0.6"
202034°14°24°1.5"5.7"
201957°40°48°1.52"
201829°22°26°
201714°11°0.28"1.3"
201635°29°32°
201533°27°30°0.03"0.1"
201430°15°23°
201336°20°
201230°13°21°0.03"0.3"
201147°29°38°
201036°22°0.03"
200916°
200842°24°33°
200727°16°21°
200650°39°45°
200536°32°34°
200433°21°27°
200339°27°33°
200242°22°32°
200118°12°
200026°15°21°0.89"4.2"
199946°23°35°
199835°19°
199730°22°26°0.05"
199634°17°25°
199533°10°22°
199438°26°32°
199322°13°
199242°36°39°0.81"
199133°20°26°
199036°14°25°0.41"0.1"
198935°29°32°0.15"0.6"
198817°
198729°19°
198634°29°31°0.1"
198516°10°
198465°26°45°1.14"
1983-10°-4°
198223°15°19°
198119°-6°
198035°31°33°0.23"0.9"
197944°15°30°
197834°28°31°0.51"0.6"
197732°15°24°
1976coldest-11°-4°0.03"0.1"
197529°18°23°0.74"4.5"
197436°32°34°
197334°10°22°
197239°33°36°2.49"
197136°21°28°0.81"
55 years of data from ROCKFORD GTR ROCKFORD AP

Rockford, IL Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

0°20°40°60°80°JFMAMJJASOND
Avg high Avg low

Rockford, IL Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"5.9"11.8"JFMAMJJASOND1.5"0"
Rain (in) Snow (in)

Rockford, IL Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Rockford, IL

Rockford, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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