Pendleton weather in January

In January, Pendleton sees average daytime highs of 42°F and overnight lows near 30°F, with 2.3 in of precipitation across 12.6 wet days and about 8.9 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 40°F in the first days to 44°F by the end. The sky is clear or mostly clear about 17% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 30 min at the start of January to 9 h 24 min by month's end. Set against the rest of the year, January is Pendleton's 12th-clearest and 10th-windiest month. For the whole year in context, see Pendleton's year-round climate.

Daytime high
42°
11th warmest
Overnight low
30°
2nd coldest
Precipitation
2.3 in
12.6 wet days
Daylight
8 h 54 min
7:39 AM – 4:30 PM
Cloud cover
71%
12th clearest
Wind
6 mph
10th windiest
Solar energy
1.53 kWh/m²
Travel score
0.2
out of 10

Pendleton is city in and seat of Umatilla County, Oregon, United States.

Density
620/km²
people per km²
Founded
1851

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 40°F in the first days to 44°F by the end.

A typical January day in Pendleton reaches about 42°F in the afternoon and slips back to 30°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 30°F and 53°F. Set against its neighbours, January runs on par with December and about 5°F cooler than February.

20°30°40°50°60°151015202531
Avg high (°F)Avg low (°F)
14028
24029
34029
44029
54029
64029
74029
84029
94029
104029
114129
124129
134129
144130
154130
164130
174130
184230
194230
204230
214230
224230
234230
244330
254330
264330
274330
284331
294431
304431
314431

How January really feels in Pendleton

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.

Pendleton weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan42° / 30°2.312.64.38.90.2
Feb46° / 31°1.810.43.210.11.3
Mar54° / 35°2.110.91.411.63.1
Apr61° / 40°1.69.40.513.35.1
May70° / 47°1.57.3014.76.9
Jun77° / 53°0.94.6015.47.8
Jul87° / 59°0.21.1015.16.1
Aug86° / 58°0.31.4013.96.5
Sep76° / 51°0.52.9012.38.3
Oct63° / 42°1.57.60.210.75.8
Nov49° / 34°2.3122.19.31.9
Dec41° / 29°2.51358.60.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
22971
32971
43070
53070
63070
73070
82971
93070
103070
113070
123070
133268
143268
153268
163268
173466
183466
193466
203565
213565
223565
233565
243664
253664
263565
273565
283466
293565
303466
313466

Chance of precipitation in January

Any precipitationSnow

Pendleton gets around 2.3 in of rain and snow over 12.6 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 41% and peaks near 42% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14117
24116
34116
44116
54115
64115
74115
84114
94214
104214
114214
124214
134214
144214
154213
164213
174213
184113
194113
204113
214113
224013
234014
244014
254014
263913
273913
283913
293813
303813
313813

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 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 30 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 54 minutes over January. Sunrise moves from 7:42 AM to 7:27 AM, and sunset from 4:15 PM to 4:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.57:424:15
28.67:424:16
38.67:424:16
48.67:424:17
58.67:424:18
68.67:424:19
78.67:424:20
88.77:414:21
98.77:414:22
108.77:414:23
118.77:414:25
128.87:404:26
138.87:404:27
148.87:404:28
158.87:394:29
168.97:394:30
178.97:384:32
188.97:374:33
199.07:374:34
209.07:364:35
219.07:354:37
229.17:354:38
239.17:344:39
249.17:334:41
259.27:324:42
269.27:324:43
279.27:314:45
289.37:304:46
299.37:294:47
309.47:284:49
319.47:274:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.53 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 7.84 kWh/m² in July across the year — January's 1.53 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.4Dim
31.4Dim
41.4Dim
51.4Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.4Dim
111.4Dim
121.4Dim
131.5Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.7Dim
231.7Dim
241.7Dim
251.8Dim
261.8Dim
271.8Dim
281.9Dim
291.9Dim
301.9Dim
312.0Dim
Planning a trip in January

Is January a good time to visit Pendleton?

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

0.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Pendleton.

What to pack for Pendleton in January

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

In January, Pendleton sees daytime highs around 42°F and nights near 30°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

UV index in Pendleton in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pendleton peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Dec 14UV 1
UV index (midday)Level
Jan2Low
Feb2Low
Mar4Moderate
Apr5High
May8Very high
Jun7Very high
Jul9Very high
Aug6High
Sep5Moderate
Oct4Moderate
Nov1Low
Dec1Low

Air quality in Pendleton 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 Pendleton is worst in August — around 29 µg/m³ PM2.5 (moderate), about 4.4× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1827 µg/m³Dec 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May9Good
Jun9Good
Jul16Moderate
Aug29Moderate
Sep20Moderate
Oct12Moderate
Nov12Good
Dec7Good
Location & terrain

Where is Pendleton?

Pendleton sits at 45.7°N, 118.8°W, 1,066 ft above sea level, in United States. The nearest listed city is Hermiston, 27 mi away.

Topography around Pendleton

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

Within 2 miles, the terrain around Pendleton has only modest variations in elevation — a maximum elevation change of 486 ft around an average of 1,250 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,136 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,581 ft.

The land around Pendleton is covered by grassland (41%), cropland (27%) and artificial surfaces (22%) within 2 miles, cropland (55%) and grassland (41%) within 10 miles, and grassland (43%), cropland (28%) and trees (27%) within 50 miles.

2 miles
486 ft
10 miles
2,136 ft
50 miles
6,581 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Hermiston 27 mi · Walla Walla 35 mi · Kennewick 41 mi · Pasco 42 mi · Tri-Cities 44 mi · Richland 48 mi · Sunnyside 74 mi · Lewiston 99 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 Pendleton (45.6721°, -118.7886°, elevation 1,066 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).