Weather on December 21

Carmel, IN

55 Years of Data

Avg High
39°F
Avg Low
20°F
Warmest
2013
47°F avg
Coldest
1989
3°F avg

About This Date

December 21st in Carmel, IN typically brings cold winter weather, with average highs around 39°F and lows near 20°F. Over 55 years of records, the warmest December 21st was in 2013 (47°F average), while the coldest was 1989 (3°F) — a 44°F range across recorded history. Precipitation has occurred on 44% of recorded December 21st dates, with snow falling 15% of the time (heaviest snowfall: 2.9"). The last decade has been 6.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.9°F warmer on this date compared to 20-30 years ago.

Planning for December 21st in Carmel, IN? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.

Warming Trend
1.6°F per decade on this date
YearHighLowAvgPrecipSnow
202539°22°30°
202433°21°27°0.08"0.1"
202349°28°38°
202241°19°30°
202144°23°34°
202044°33°39°
201942°13°27°
201847°40°43°0.18"
201743°26°34°
201636°13°24°
201547°32°39°0.76"
201436°19°27°
2013warmest58°37°47°3.18"
201254°25°39°1.7"1.5"
201153°38°45°3.45"
201031°19°25°0.53"2.9"
200931°26°28°
200858°33°
200742°28°35°
200645°23°34°1.07"
200529°19°
200432°19°
200333°16°24°
200242°32°37°0.03"
200145°23°34°
200023°13°0.13"
199932°12°22°
199847°32°39°0.36"
199742°32°37°
199620°13°
199528°18°
199447°29°38°
199337°27°32°0.61"0.8"
199229°17°23°
199139°27°33°0.61"
199053°34°43°0.25"
1989coldest14°-8°0.05"0.3"
198861°30°45°
198740°24°32°0.05"
198644°20°32°
198520°-2°0.05"0.5"
198440°30°35°0.66"
198330°24°27°0.1"
198234°22°28°
198126°-13°0.28"1"
198020°11°
197948°21°35°
197861°26°43°0.97"
197732°18°25°0.05"
197632°18°0.03"0.3"
197537°21°29°
197440°26°33°0.15"
197326°15°
197238°33°35°
197143°23°33°
55 years of data from CARMEL 3 E

Browse Weather History

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