Clinton weather in January

In January, Clinton sees average daytime highs of 30°F and overnight lows near 15°F, with 1.8 in of precipitation across 7.7 wet days and about 9.3 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°F through the month. The sky is clear or mostly clear about 25% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 hours at the start of January to 9 h 42 min by month's end. Set against the rest of the year, January is Clinton's 12th-clearest and 4th-windiest month. For the whole year in context, see Clinton's year-round climate.

Daytime high
30°
12th warmest
Overnight low
15°
1st coldest
Precipitation
1.8 in
7.7 wet days
Daylight
9 h 18 min
7:32 AM – 4:48 PM
Cloud cover
68%
12th clearest
Wind
9 mph
4th windiest
Solar energy
2.04 kWh/m²
Travel score
0.0
out of 10

Clinton is city in, and the county seat of, Clinton County, Iowa, United States.

Density
265/km²
people per km²
Founded
1836

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 30°F through the month.

A typical January day in Clinton reaches about 30°F in the afternoon and slips back to 15°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 14°F and 44°F. Set against its neighbours, January runs about 5°F cooler than December and about 5°F cooler than February.

20°40°151015202531
Avg high (°F)Avg low (°F)
13218
23118
33117
43117
53117
63117
73116
83016
93016
103016
113015
123015
133015
142915
152915
162915
172914
182914
192914
202914
212914
222914
232914
242914
252914
262914
272915
282915
293015
303015
313015

How January really feels in Clinton

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
31 feel bitter (≤ 14°F)

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

Clinton 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
Jan30° / 15°1.87.75.39.30.0
Feb34° / 19°1.96.54.310.30.0
Mar48° / 30°2.79.32.511.71.7
Apr60° / 41°4.311.80.913.14.6
May71° / 52°4.713014.36.1
Jun80° / 62°4.611.80156.2
Jul83° / 66°3.810.2014.75.9
Aug81° / 63°3.69.1013.76.7
Sep75° / 55°3.58.5012.37.1
Oct62° / 44°2.78.30.210.95.5
Nov47° / 32°2.57.71.49.61.7
Dec35° / 21°2.17.54.190.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43664
53664
63763
73664
83664
93664
103664
113862
123862
133862
143862
153763
163862
173862
183862
193862
203862
213763
223664
233664
243664
253565
263565
273664
283565
293565
303565
313565

Chance of precipitation in January

Any precipitationSnow

Clinton gets around 1.8 in of rain and snow over 7.7 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 24% and peaks near 26% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12314
22314
32314
42415
52415
62415
72516
82516
92516
102516
112516
122516
132517
142617
152617
162617
172618
182618
192618
202618
212518
222518
232518
242518
252418
262418
272318
282318
292317
302217
312217

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 9 mph in January.

Across January, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 hours at the start of January to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:34 AM to 7:22 AM, and sunset from 4:34 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.07:344:34
29.07:344:35
39.07:344:36
49.07:344:37
59.17:344:37
69.17:344:38
79.17:344:39
89.17:344:40
99.17:344:41
109.17:344:42
119.27:334:43
129.27:334:44
139.27:334:45
149.27:334:46
159.37:324:47
169.37:324:48
179.37:314:49
189.37:314:51
199.47:304:52
209.47:304:53
219.47:294:54
229.47:294:55
239.57:284:56
249.57:284:57
259.57:274:59
269.67:265:00
279.67:255:01
289.67:255:02
299.77:245:04
309.77:235:05
319.77:225:06

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.04 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.36 kWh/m² in June across the year — January's 2.04 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.8Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
132.0Dim
142.0Dim
152.0Moderate
162.0Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.5Moderate
312.5Moderate
Planning a trip in January

Is January a good time to visit Clinton?

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

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

January is a weaker month for outdoor sightseeing in Clinton.

What to pack for Clinton in January

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

In January, Clinton sees daytime highs around 30°F and nights near 15°F. Pack a warm layer and a heavy coat. About 8 days see rain.

a warm layera heavy coat

UV index in Clinton 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 Clinton peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 19UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Clinton 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 Clinton is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1915 µg/m³Oct 227 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar13Moderate
Apr11Good
May13Moderate
Jun13Moderate
Jul15Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov8Good
Dec9Good
Location & terrain

Where is Clinton?

Clinton sits at 41.8°N, 90.2°W, 587 ft above sea level, in United States. The nearest listed city is Sterling, 25 mi away.

Topography around Clinton

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

Within 2 miles, the terrain around Clinton has only modest variations in elevation — a maximum elevation change of 200 ft around an average of 620 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 367 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 817 ft.

The land around Clinton is covered by trees (32%), artificial surfaces (24%) and grassland (20%) within 2 miles, cropland (62%) within 10 miles, and cropland (73%) within 50 miles.

2 miles
200 ft
10 miles
367 ft
50 miles
817 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Sterling 25 mi · East Moline 27 mi · Bettendorf 28 mi · Moline 29 mi · Davenport 30 mi · Rock Island 30 mi · Dixon 37 mi · Freeport 43 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 Clinton (41.8445°, -90.1887°, elevation 587 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).