Weather on November 21

Arvada, CO

55 Years of Data

Avg High
53°F
Avg Low
23°F
Warmest
1974
57°F avg
Coldest
1985
16°F avg

About This Date

November 21st in Arvada, CO typically brings cool fall weather, with average highs around 53°F and lows near 23°F — a 30°F daily swing. Over 55 years of records, the warmest November 21st was in 1974 (57°F average), while the coldest was 1985 (16°F) — a 41°F range across recorded history. Precipitation has occurred on 15% of recorded November 21st dates, with snow falling 7% of the time (heaviest snowfall: 6"). Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for November 21st in Arvada, CO? Bring layers as temperatures can vary throughout the day.

Warming Trend
1.6°F per decade on this date
YearHighLowAvgPrecipSnow
202552°39°45°
202453°22°37°
202343°26°34°0.46"
202254°23°38°
202158°26°42°
202054°22°38°
201954°26°40°0.23"
201859°34°46°
201768°32°50°
201667°13°40°
201557°30°0.56"3"
201450°29°39°
201360°17°39°0.46"1.5"
201270°43°56°
201144°29°36°
201045°27°36°
200956°27°41°
200856°21°38°
200730°19°
200660°37°49°
200552°32°42°
200442°13°27°
200354°18°36°
200254°32°43°
200170°36°53°
200052°23°37°
199970°26°48°
199855°31°43°
199752°20°36°
199670°22°46°
199563°29°46°
199442°16°29°
199362°27°44°
199235°29°32°1.12"6"
199148°17°33°
199068°33°51°
198968°28°48°
198849°21°35°
198755°31°43°
198666°24°45°
1985coldest31°16°
198458°25°41°
198353°22°37°
198253°21°37°
198160°28°44°
198047°20°33°
197924°12°18°0.3"
197844°16°30°0.03"
197749°27°
197643°18°30°
197528°17°
1974warmest75°39°57°
197344°12°28°
197236°20°28°0.15"1"
197148°28°38°
55 years of data from WATERTON NORTH COLORADO

Browse Weather History

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