Stillwater weather in January

In January, Stillwater sees average daytime highs of 48°F and overnight lows near 30°F, with 1.5 in of precipitation across 5.3 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 48°F through the month. The sky is clear or mostly clear about 45% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Stillwater's 7th-clearest and 8th-windiest month. For the whole year in context, see Stillwater's year-round climate.

Daytime high
48°
12th warmest
Overnight low
30°
1st coldest
Precipitation
1.5 in
5.3 wet days
Daylight
9 h 48 min
7:44 AM – 5:31 PM
Cloud cover
48%
7th clearest
Wind
8 mph
8th windiest
Solar energy
2.75 kWh/m²
Travel score
2.1
out of 10

Stillwater is city in Oklahoma, United States.

Density
630/km²
people per km²
Founded
1884

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 48°F through the month.

A typical January day in Stillwater reaches about 48°F in the afternoon and slips back to 30°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 32°F and 64°F. Set against its neighbours, January runs about 2°F cooler than December and about 5°F cooler than February.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14730
24730
34730
44730
54730
64730
74730
84729
94729
104729
114729
124729
134729
144829
154829
164829
174829
184829
194829
204930
214930
224930
234930
244930
254930
264930
275030
285030
295030
305030
315030

How January really feels in Stillwater

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.

Stillwater weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan48° / 30°1.55.31.39.82.1
Feb53° / 33°1.85.71.310.63.4
Mar62° / 42°2.98.10.711.75.6
Apr71° / 50°4.19012.96.8
May79° / 60°4.811.2013.96.5
Jun88° / 69°4.19.9014.44.6
Jul93° / 73°2.97.4014.23.5
Aug91° / 72°2.66.9013.43.9
Sep83° / 64°3.17.3012.26.3
Oct72° / 52°3.27.60.111.17.4
Nov60° / 41°2.05.70.410.15.5
Dec50° / 32°1.85.41.39.62.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25842
35842
45842
55842
65842
75842
85941
95941
105842
115842
125842
135941
145941
156040
166040
176040
186040
196040
206040
216040
226040
236040
246040
256040
266040
275941
285941
295941
305743
315743

Chance of precipitation in January

Any precipitationSnow

Stillwater gets around 1.5 in of rain and snow over 5.3 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 17% and peaks near 18% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1185
2185
3185
4185
5185
6185
7185
8175
9175
10175
11175
12175
13174
14174
15164
16164
17164
18164
19164
20164
21164
22164
23164
24164
25164
26175
27175
28175
29175
30175
31176

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5991
6991
7991
8991
9991
10991
11991
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 8 mph in January.

Across January, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:44 AM to 7:37 AM, and sunset from 5:19 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:445:19
29.67:445:20
39.67:445:20
49.67:445:21
59.67:445:22
69.67:455:23
79.67:455:23
89.77:455:24
99.77:455:25
109.77:455:26
119.77:445:27
129.77:445:28
139.77:445:29
149.87:445:30
159.87:445:30
169.87:445:31
179.87:435:32
189.87:435:33
199.97:435:34
209.97:425:35
219.97:425:36
229.97:425:37
239.97:415:38
2410.07:415:39
2510.07:405:40
2610.07:405:41
2710.17:395:42
2810.17:395:43
2910.17:385:44
3010.17:375:45
3110.27:375:46

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.75 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 6.84 kWh/m² in July across the year — January's 2.75 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.9Moderate
212.9Moderate
222.9Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in January

Is January a good time to visit Stillwater?

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

2.1
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Stillwater.

What to pack for Stillwater in January

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

In January, Stillwater sees daytime highs around 48°F and nights near 30°F. Pack a warm layer. Worth having: a heavy coat. About 5 days see rain.

a warm layera heavy coat

UV index in Stillwater in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Stillwater peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 12UV 10Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr9Very high
May8Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Stillwater 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 Stillwater is worst in July — around 15 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (November, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1815 µg/m³Nov 165 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar12Good
Apr13Moderate
May11Good
Jun12Moderate
Jul15Moderate
Aug13Moderate
Sep9Good
Oct5Good
Nov5Good
Dec5Good
Location & terrain

Where is Stillwater?

Stillwater sits at 36.1°N, 97.1°W, 896 ft above sea level, in United States. The nearest listed city is Edmond, 40 mi away.

Topography around Stillwater

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

Within 2 miles, the terrain around Stillwater has only modest variations in elevation — a maximum elevation change of 138 ft around an average of 902 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 341 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 719 ft.

The land around Stillwater is covered by trees (35%), artificial surfaces (33%) and grassland (24%) within 2 miles, grassland (50%) and trees (39%) within 10 miles, and grassland (47%) and trees (32%) within 50 miles.

2 miles
138 ft
10 miles
341 ft
50 miles
719 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Edmond 40 mi · Ponca City 41 mi · Enid 50 mi · Midwest City 50 mi · Del City 51 mi · Oklahoma City 52 mi · Bethany 52 mi · Sand Springs 53 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 Stillwater (36.1156°, -97.0584°, elevation 896 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).