Weather on March 20

Denver, CO

55 Years of Data

Avg High
58°F
Avg Low
28°F
Warmest
2026
70°F avg
Coldest
2010
20°F avg

About This Date

March 20th in Denver, CO typically brings cool spring weather, with average highs around 58°F and lows near 28°F — a 30°F daily swing. Over 56 years of records, the warmest March 20th was in 2026 (70°F average), while the coldest was 2010 (20°F) — a 50°F range across recorded history. Precipitation has occurred on 14% of recorded March 20th dates, with snow falling 14% of the time (heaviest snowfall: 6"). The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

Planning for March 20th in Denver, CO? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest91°48°70°
202548°27°37°
202464°31°47°
202360°24°42°
202262°27°44°
202157°25°41°
202055°29°42°3.45"5.7"
201953°26°40°
201850°28°39°
201783°34°58°
201639°18°28°
201549°33°41°
201460°27°43°
201356°19°37°
201250°26°38°
201171°29°50°
2010coldest29°11°20°1.07"5"
200973°35°54°
200865°30°47°
200770°37°53°
200642°19°31°0.1"6"
200561°26°43°
200481°38°59°
200345°26°35°
200269°25°47°
200173°37°55°
200042°25°33°0.2"1.5"
199970°30°50°
199846°15°31°
199783°
199658°16°37°
199563°28°45°
199453°30°42°
199359°30°45°
199260°29°44°
199159°34°46°
199071°35°53°
198949°21°35°0.36"2"
198867°45°56°
198745°26°35°
198651°27°39°
198560°31°45°
198457°25°41°
198329°17°23°0.08"0.3"
198253°21°37°
198151°27°39°
198052°20°36°0.08"0.5"
197937°30°34°
197867°41°54°
197746°22°34°
197647°22°34°
197573°37°55°
197453°14°34°0.03"0.1"
197357°30°44°
197257°30°44°
197168°26°47°
56 years of data from NORTHGLENN

Browse Weather History

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