Newberg weather in December

In December, Newberg sees average daytime highs of 46°F and overnight lows near 37°F, with 7.6 in of precipitation across 17 wet days and about 8.6 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 46°F through the month. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of December to 8 h 36 min by month's end. Set against the rest of the year, December is Newberg's 12th-clearest and 1st-windiest month. For the whole year in context, see Newberg's year-round climate.

Daytime high
46°
12th warmest
Overnight low
37°
1st coldest
Precipitation
7.6 in
17 wet days
Daylight
8 h 36 min
7:51 AM – 4:25 PM
Cloud cover
77%
12th clearest
Wind
6 mph
1st windiest
Solar energy
1.06 kWh/m²
Travel score
1.1
out of 10

Newberg is city in Yamhill County, Oregon, United States.

Density
1,515/km²
people per km²
Founded
1889

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 46°F through the month.

A typical December day in Newberg reaches about 46°F in the afternoon and slips back to 37°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 39°F and 53°F. Set against its neighbours, December runs about 6°F cooler than November and on par with January.

20°30°40°50°60°151015202531
Avg high (°F)Avg low (°F)
14837
24837
34737
44737
54737
64737
74737
84737
94737
104737
114637
124637
134637
144637
154637
164637
174637
184637
194637
204636
214636
224636
234636
244636
254636
264636
274636
284636
294636
304636
314636

How December really feels in Newberg

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 26 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
26
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Newberg weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan47° / 37°6.516.41.18.91.3
Feb51° / 38°4.913.91.210.12.1
Mar55° / 40°5.416.50.411.63.0
Apr60° / 43°4.014.9013.24.2
May67° / 48°2.410014.66.1
Jun73° / 52°1.36.1015.47.3
Jul82° / 57°0.31.8015.17.6
Aug83° / 57°0.42.1013.97.5
Sep76° / 53°1.45.2012.37.8
Oct64° / 46°3.810.8010.75.5
Nov52° / 40°6.516.60.29.32.4
Dec46° / 37°7.6171.58.61.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32575
42575
52575
62377
72278
82278
92179
102080
111882
121882
131882
141882
151783
161783
171783
181783
191783
201783
211882
221981
232080
242080
252179
262179
272179
282278
292278
302278
312278

Chance of precipitation in December

Any precipitationSnow

Newberg gets around 7.6 in of rain and snow over 17 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 55% and peaks near 57% on the wettest days, and about 2 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1562
2562
3563
4563
5563
6563
7563
8563
9564
10564
11564
12574
13575
14575
15575
16575
17575
18565
19566
20566
21556
22556
23546
24546
25536
26536
27536
28536
29536
30536
31546

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 6 mph in December, the windiest month of the year.

Across December, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 48 min at the start of December to 8 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:38 AM to 7:57 AM, and sunset from 4:26 PM to 4:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:384:26
28.87:394:25
38.87:404:25
48.77:414:25
58.77:424:25
68.77:434:24
78.77:444:24
88.77:454:24
98.67:464:24
108.67:474:24
118.67:474:24
128.67:484:24
138.67:494:24
148.67:504:24
158.67:514:25
168.67:514:25
178.67:524:25
188.57:534:25
198.57:534:26
208.57:544:26
218.57:544:26
228.57:554:27
238.57:554:27
248.57:564:28
258.57:564:29
268.57:564:29
278.67:574:30
288.67:574:30
298.67:574:31
308.67:574:32
318.67:574:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.06 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 6.92 kWh/m² in July across the year — December's 1.06 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.2Dim
21.1Dim
31.1Dim
41.1Dim
51.1Dim
61.1Dim
71.1Dim
81.1Dim
91.0Dim
101.0Dim
111.0Dim
121.0Dim
131.0Dim
141.0Dim
151.0Dim
161.0Dim
171.0Dim
181.0Dim
191.0Dim
201.0Dim
211.0Dim
221.0Dim
231.0Dim
241.0Dim
251.1Dim
261.1Dim
271.1Dim
281.1Dim
291.1Dim
301.1Dim
311.1Dim
Planning a trip in December

Hazard calendar for Newberg

In seasonPeak

In December, Newberg sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Newberg's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Newberg?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.1
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Newberg.

What to pack for Newberg in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Newberg sees daytime highs around 46°F and nights near 37°F. Pack a warm layer and rain gear. Worth having: a heavy coat. About 17 days see rain.

a warm layerrain geara heavy coat

UV index in Newberg in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Newberg peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJul 17UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May8Very high
Jun7High
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Newberg in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Newberg is worst in September — around 34 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (January, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1531 µg/m³Jan 167 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May9Good
Jun8Good
Jul7Good
Aug14Moderate
Sep34Moderate
Oct11Good
Nov10Good
Dec8Good
Location & terrain

Where is Newberg?

Newberg sits at 45.3°N, 123.0°W, 177 ft above sea level, in United States. The nearest listed city is Sherwood, 7.5 mi away.

Topography around Newberg

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Newberg.

Within 2 miles, the terrain around Newberg has only modest variations in elevation — a maximum elevation change of 443 ft around an average of 180 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,647 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,161 ft.

The land around Newberg is covered by trees (46%), grassland (21%) and artificial surfaces (20%) within 2 miles, trees (48%), grassland (24%) and cropland (23%) within 10 miles, and trees (73%) within 50 miles.

2 miles
443 ft
10 miles
1,647 ft
50 miles
5,161 ft
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Sherwood 7.5 mi · Wilsonville 9.9 mi · Tualatin 12 mi · Woodburn 12 mi · McMinnville 12 mi · Tigard 13 mi · Canby 14 mi · Aloha 14 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Newberg (45.3001°, -122.9732°, elevation 177 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).