Eugene, OR weather in December
December in Eugene: chilly, with rain on most days. Highs 47°F, lows 34°F, about 19 days with rain. This is the depth of winter in Eugene. Keep rain gear handy.
- Normal high
- 47°F
- Normal low
- 34°F
- Wet days
- 19
- 7.2 in total
- Muggy days
- 0
- dew point 65°F+
How December changes from start to finish
| December 1 | December 31 | |
|---|---|---|
| Normal high | 49°F | 47°F |
| Normal low | 36°F | 34°F |
| Chance of a wet day | 60% | 60% |
| Sunrise / sunset | 7:27 am / 4:35 pm | 7:47 am / 4:43 pm |
| Daylight | 9.1 h | 8.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical December day
- 6 am38°Fdew point 36°F
- 9 am39°Fdew point 37°F
- Noon43°Fdew point 39°F
- 3 pm45°Fdew point 39°F
- 6 pm41°Fdew point 38°F
- 9 pm40°Fdew point 37°F
NOAA hourly normals (local standard time) from Eugene Mahlon Sweet Airport (9 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow19 of 31
- Notable rainat least 0.10 in13 of 31
- Freezing nightslow 32°F or below12 of 31
- Snow on the groundsnow depth 1 in or more1 of 31
Average days per December, counted from daily records for each year 1991-2020.
Rain and snow in December
Normal precipitation is 7.2 in; a dry December brings about 5.0 in and a wet one about 10.0 in (25th and 75th percentiles). About 5 days bring half an inch or more, and about 2 an inch or more. Normal snowfall is 0.4 in.
How December varies from year to year
- Warmest December, 1991-20202014: average high 50°F
- Coolest December2013: average high 41°F
- Wettest December1996: 14.9 in
- Driest December2013: 1.5 in
- Highest reading64°F (December 20, 1994)
- Lowest reading-10°F (December 8, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
December compared with November and January
| November | December | January | |
|---|---|---|---|
| Normal high | 53°F | 47°F | 48°F |
| Normal low | 38°F | 34°F | 35°F |
| Wet days | 18 | 19 | 18 |
| Comfortable days | 1 | 0 | 0 |
| Daylight | 9.7 h | 8.9 h | 9.3 h |
Highs change by -6°F from November and +1°F into January.
Nearby alternatives in December
- Drier: Bend, OR88 mi · high 41°F · 9 wet days
- Cooler: Bend, OR88 mi · high 41°F · 9 wet days
How Eugene ranks in December
- Normal high210th warmest of 378 cities; 3rd of 6 in Oregon
- Wet days365th driest of 378
- Comfortable days322nd most of 340
What to pack for Eugene in December
- A warm jacket – lows near 34°F, highs near 47°F
- A rain jacket or umbrella – rain on about 19 days
Heating and cooling
December has 758 heating degree days and 0 cooling degree days (base 65°F), 15% of the year's total heating and cooling demand.
Questions
How cold is Eugene in December?
The normal high is 47°F and the normal low is 34°F. From 1991 to 2020 the coldest December reading was -10°F (December 8, 2013).
Does it rain a lot in Eugene in December?
About 19 days in December have at least 0.01 in of precipitation, and the normal total is 7.2 in. The wettest December in 1991-2020 was in 1996 (15.0 in); the driest was in 2013 (1.5 in).
Does it snow in Eugene in December?
Yes. Normal snowfall in December is 0.4 in, and snow covers the ground on about 1 day.
Is December a good time to visit Eugene?
December ranks 12th of 12 months on our comfort score for Eugene (31 out of 100). It has almost no comfortable days. The best month is June.
Where the numbers come from
- Temperature, rain, frost dates and humidity and wind by hour: Eugene Mahlon Sweet Airport (USW00024221), 8.5 mi NW of the city center, 353 ft (77 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Cottage Grove 2E (USC00351897), 18 mi S of the city center, 595 ft (165 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mahlon Sweet Field Airport (726930-24221), 8.5 mi NW of the city center, 358 ft (72 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).