Weather on December 18

Eugene, OR

55 Years of Data

Avg High
45°F
Avg Low
35°F
Warmest
2024
55°F avg
Coldest
1984
28°F avg

About This Date

December 18th in Eugene, OR typically brings chilly winter weather, with average highs around 45°F and lows near 35°F. Over 55 years of records, the warmest December 18th was in 2024 (55°F average), while the coldest was 1984 (28°F) — a 27°F range across recorded history. Precipitation has occurred on 60% of recorded December 18th dates, with snow falling 2% of the time. The last decade has been 6.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.6°F warmer on this date compared to 20-30 years ago.

Planning for December 18th in Eugene, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Warming Trend
1.0°F per decade on this date
YearHighLowAvgPrecipSnow
202557°42°50°6.99"
2024warmest62°48°55°0.46"
202345°35°40°0.18"
202245°33°39°
202154°43°48°0.43"
202052°38°45°0.08"
201947°32°39°0.18"
201859°47°53°3.86"
201755°36°45°
201631°26°29°
201553°43°48°1.57"
201456°40°48°0.58"
201341°33°37°0.1"
201238°31°34°0.99"
201145°31°38°0.13"
201046°36°41°1.35"
200952°44°48°0.25"
200837°28°33°1.27"
200751°40°45°0.58"
200633°27°30°
200534°25°29°0.43"
200444°37°41°
200346°35°41°
200245°36°40°0.51"
200146°40°43°0.91"
200037°30°34°
199953°41°47°0.05"
199840°29°34°
199739°30°35°
199639°26°33°
199547°42°44°0.51"
199453°46°50°0.41"
199338°24°31°
199242°28°35°
199146°34°40°1.83"
199049°31°40°1.42"1"
198936°33°34°
198850°22°36°
198737°32°35°
198641°31°36°0.3"
198534°23°28°
1984coldest33°23°28°
198336°33°34°0.43"
198250°38°44°0.71"
198154°39°46°2.51"
198037°34°35°
197956°47°51°0.41"
197835°25°30°
197745°31°38°0.03"
197643°30°36°
197543°29°36°
197453°42°48°0.05"
197341°34°37°
197256°46°51°2.21"
197145°40°42°0.05"
55 years of data from EUGENE-MAHLON SWEET FLD

Browse Weather History

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