Weather on April 20

Arvada, CO

55 Years of Data

Avg High
60°F
Avg Low
32°F
Warmest
1989
64°F avg
Coldest
2021
28°F avg

About This Date

April 20th in Arvada, CO typically brings mild spring weather, with average highs around 60°F and lows near 32°F — a 28°F daily swing. Over 55 years of records, the warmest April 20th was in 1989 (64°F average), while the coldest was 2021 (28°F) — a 36°F range across recorded history. Precipitation has occurred on 27% of recorded April 20th dates, with snow falling 7% of the time (heaviest snowfall: 4"). The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

Planning for April 20th in Arvada, CO? Great weather for outdoor activities.

Cooling Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202544°19°32°
202439°30°35°0.58"0.6"
202366°23°45°0.05"
202282°34°58°
2021coldest46°11°28°0.86"4"
202060°36°48°
201973°42°58°
201865°32°48°
201775°35°55°
201649°33°41°
201551°31°41°
201468°46°57°0.18"
201351°31°41°
201264°41°53°
201143°24°33°
201055°38°46°
200961°35°48°
200858°38°48°
200762°31°46°
200655°25°40°
200541°31°36°
200451°33°42°
200352°25°38°
200249°30°39°
200178°
200058°33°45°
199972°10°41°
199858°29°43°0.3"
199777°40°58°
199666°21°44°
199540°25°32°
199478°46°62°
199353°28°41°
199256°28°42°0.05"
199156°33°44°
199065°40°52°0.74"
1989warmest81°48°64°
198867°42°54°
198778°20°49°0.66"1"
198660°35°48°
198563°28°45°
198460°37°49°0.18"
198368°37°53°
198244°21°33°0.51"2"
198164°44°54°0.81"
198079°43°61°
197964°36°50°
197864°28°46°
197746°34°40°0.2"
197661°35°48°0.2"
197560°34°47°
197462°34°48°
197356°30°43°
197250°34°42°0.25"
197154°32°43°1.68"
55 years of data from WATERTON NORTH COLORADO

Browse Weather History

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

April 20th Weather in Arvada, CO - 55 Years of History