Oregon City weather in January

In January, Oregon City sees average daytime highs of 46°F and overnight lows near 35°F, with 7.8 in of precipitation across 17.7 wet days and about 8.9 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 44°F in the first days to 48°F by the end. The sky is clear or mostly clear about 15% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of January to 9 h 24 min by month's end. Set against the rest of the year, January is Oregon City's 11th-clearest and 2nd-windiest month. For the whole year in context, see Oregon City's year-round climate.

Daytime high
46°
11th warmest
Overnight low
35°
2nd coldest
Precipitation
7.8 in
17.7 wet days
Daylight
8 h 54 min
7:53 AM – 4:47 PM
Cloud cover
76%
11th clearest
Wind
6 mph
2nd windiest
Solar energy
1.27 kWh/m²
Travel score
1.0
out of 10

Oregon City is city and county seat of Clackamas, Oregon, United States.

Density
1,489/km²
people per km²
Founded
1829

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 44°F in the first days to 48°F by the end.

A typical January day in Oregon City reaches about 46°F in the afternoon and slips back to 35°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 38°F and 53°F. Set against its neighbours, January runs on par with December and about 3°F cooler than February.

20°30°40°50°60°151015202531
Avg high (°F)Avg low (°F)
14434
24434
34435
44535
54535
64535
74535
84535
94535
104535
114535
124535
134635
144635
154635
164635
174635
184635
194635
204635
214735
224735
234735
244735
254735
264736
274736
284736
294836
304836
314836

How January really feels in Oregon City

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 31 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
31
wind chill below the day's low

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

Oregon City weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 35°7.817.75.88.91.0
Feb49° / 35°6.115.65.410.11.7
Mar53° / 37°6.618.55.611.62.4
Apr58° / 40°5.4172.813.23.5
May65° / 46°3.512.30.414.65.5
Jun70° / 50°2.29015.46.7
Jul79° / 54°0.62.9015.18.2
Aug80° / 55°0.72.9013.98.2
Sep73° / 50°2.06.4012.37.6
Oct62° / 44°5.012.40.110.74.9
Nov51° / 38°8.017.939.31.9
Dec45° / 35°8.918.76.78.60.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42278
52278
62278
72278
82179
92278
102278
112278
122278
132278
142278
152476
162476
172476
182575
192575
202476
212575
222575
232575
242476
252476
262377
272377
282377
292377
302377
312278

Chance of precipitation in January

Any precipitationSnow

Oregon City gets around 7.8 in of rain and snow over 17.7 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 57% and peaks near 61% on the wettest days, and about 6 days bring snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
16021
26021
36121
46120
56120
66120
76020
86019
96019
106019
116019
125918
135918
145818
155818
165717
175617
185617
195618
205518
215518
225518
235518
245518
255518
265517
275417
285417
295417
305417
315417

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 6 mph in January.

Across January, 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 January

DaylightNight

Daylight runs from about 8 h 36 min at the start of January to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 7:56 AM to 7:41 AM, and sunset from 4:31 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.67:564:31
28.67:564:32
38.67:564:33
48.67:564:34
58.67:564:35
68.77:564:36
78.77:564:37
88.77:564:38
98.77:554:39
108.77:554:40
118.87:554:41
128.87:544:42
138.87:544:43
148.87:544:44
158.97:534:45
168.97:534:47
178.97:524:48
189.07:524:49
199.07:514:50
209.07:504:52
219.17:504:53
229.17:494:54
239.17:484:56
249.27:484:57
259.27:474:58
269.27:465:00
279.37:455:01
289.37:445:02
299.37:435:04
309.47:425:05
319.47:415:06

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.27 kWh/m².

For context, solar energy here swings from a low near 1.07 kWh/m² to a high of 7.03 kWh/m² in July across the year — January's 1.27 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.1Dim
21.1Dim
31.1Dim
41.1Dim
51.1Dim
61.1Dim
71.1Dim
81.1Dim
91.2Dim
101.2Dim
111.2Dim
121.2Dim
131.2Dim
141.2Dim
151.2Dim
161.3Dim
171.3Dim
181.3Dim
191.3Dim
201.4Dim
211.4Dim
221.4Dim
231.4Dim
241.4Dim
251.5Dim
261.5Dim
271.5Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in January

Hazard calendar for Oregon City

In seasonPeak

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

Oregon City'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 January a good time to visit Oregon City?

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

1.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Oregon City.

What to pack for Oregon City in January

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

In January, Oregon City sees daytime highs around 46°F and nights near 35°F. Pack a warm layer and rain gear. Worth having: a heavy coat. About 18 days see rain.

a warm layerrain geara heavy coat

UV index in Oregon City in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Oregon City 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 Oregon City in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Oregon City is worst in September — around 40 µg/m³ PM2.5 (poor), about 7.8× the cleanest month (January, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1537 µg/m³Jan 155 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar9Good
Apr9Good
May8Good
Jun9Good
Jul8Good
Aug20Moderate
Sep40Poor
Oct10Good
Nov9Good
Dec6Good
Location & terrain

Where is Oregon City?

Oregon City sits at 45.4°N, 122.6°W, 125 ft above sea level, in United States. The nearest listed city is West Linn, 0.6 mi away.

Topography around Oregon City

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

Within 2 miles, the terrain around Oregon City has only modest variations in elevation — a maximum elevation change of 702 ft around an average of 269 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,165 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,093 ft.

The land around Oregon City is covered by trees (62%) and artificial surfaces (24%) within 2 miles, trees (63%) within 10 miles, and trees (76%) within 50 miles.

2 miles
702 ft
10 miles
1,165 ft
50 miles
11,093 ft
treesgrasslandcroplandartificial surfaceswater
January weather nearby: West Linn 0.6 mi · Oak Grove 4.3 mi · Lake Oswego 5.6 mi · Milwaukie 6.2 mi · Happy Valley 7.5 mi · Canby 7.5 mi · Tualatin 8.1 mi · Lents 8.7 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 Oregon City (45.3573°, -122.6068°, elevation 125 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).