Jackson weather in January

In January, Jackson sees average daytime highs of 31°F and overnight lows near 18°F, with 2.5 in of precipitation across 10.3 wet days and about 9.3 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°F through the month. The sky is clear or mostly clear about 10% 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 Jackson's 12th-clearest and 1st-windiest month. For the whole year in context, see Jackson's year-round climate.

Daytime high
31°
12th warmest
Overnight low
18°
1st coldest
Precipitation
2.5 in
10.3 wet days
Daylight
9 h 12 min
8:10 AM – 5:24 PM
Cloud cover
80%
12th clearest
Wind
9 mph
1st windiest
Solar energy
1.75 kWh/m²
Travel score
0.0
out of 10

Jackson is seat of Jackson County, Michigan, United States.

Density
1,165/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

Day-to-day highs hold fairly steady near 31°F through the month.

A typical January day in Jackson reaches about 31°F in the afternoon and slips back to 18°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 17°F and 45°F. Set against its neighbours, January runs about 5°F cooler than December and about 3°F cooler than February.

20°40°151015202531
Avg high (°F)Avg low (°F)
13321
23321
33221
43221
53220
63220
73220
83120
93119
103119
113119
123119
133119
143118
153018
163018
173018
183017
193017
203017
213017
223017
233017
243017
253017
263017
273017
283117
293117
303117
313117

How January really feels in Jackson

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.

Jackson weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 18°2.510.37.99.30.0
Feb34° / 20°2.08.15.910.30.0
Mar45° / 28°2.5103.611.61.0
Apr57° / 39°3.611.81.413.13.9
May68° / 50°4.012.8014.45.8
Jun78° / 60°3.711.60156.4
Jul81° / 64°3.410.6014.86.4
Aug79° / 62°3.410.4013.76.6
Sep72° / 54°2.89012.36.9
Oct60° / 43°2.99.70.210.84.7
Nov46° / 33°2.69.32.59.61.3
Dec35° / 24°2.29.66.190.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21783
31684
41684
51684
61783
71783
81684
91684
101882
111882
121882
131882
141981
151981
161981
171981
182080
192080
201981
211981
221981
231981
241981
252080
262080
272080
282179
292179
302179
312278

Chance of precipitation in January

Any precipitationSnow

Jackson gets around 2.5 in of rain and snow over 10.3 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 33% and peaks near 36% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13222
23223
33323
43424
53524
63525
73625
83626
93626
103626
113627
123527
133527
143527
153427
163427
173326
183326
193226
203226
213126
223126
233125
243025
253025
263024
273024
282924
292923
302923
312923

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, the windiest month of the year.

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 8:12 AM to 8:00 AM, and sunset from 5:10 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.08:125:10
29.08:125:10
39.08:125:11
49.08:125:12
59.08:125:13
69.08:125:14
79.08:125:15
89.18:125:16
99.18:125:17
109.18:125:18
119.18:115:19
129.18:115:20
139.28:115:21
149.28:115:22
159.28:105:23
169.28:105:24
179.38:095:25
189.38:095:26
199.38:085:27
209.38:085:28
219.48:075:30
229.48:075:31
239.48:065:32
249.58:065:33
259.58:055:34
269.58:045:36
279.68:035:37
289.68:035:38
299.68:025:39
309.78:015:41
319.78:005:42

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.75 kWh/m².

For context, solar energy here swings from a low near 1.42 kWh/m² to a high of 6.29 kWh/m² in June across the year — January's 1.75 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.5Dim
31.5Dim
41.5Dim
51.5Dim
61.5Dim
71.5Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.8Dim
181.8Dim
191.8Dim
201.9Dim
211.9Dim
221.9Dim
231.9Dim
242.0Dim
252.0Moderate
262.0Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.2Moderate
312.2Moderate
Planning a trip in January

Is January a good time to visit Jackson?

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
9th-best month of the year

January is a weaker month for outdoor sightseeing in Jackson.

What to pack for Jackson in January

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

In January, Jackson sees daytime highs around 31°F and nights near 18°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Jackson 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 Jackson peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighModerateLowJun 20UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Jackson 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 Jackson is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1315 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Jackson?

Jackson sits at 42.2°N, 84.4°W, 932 ft above sea level, in United States. The nearest listed city is Holt, 28 mi away.

Topography around Jackson

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

Within 2 miles, the terrain around Jackson has only modest variations in elevation — a maximum elevation change of 194 ft around an average of 974 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 331 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 761 ft.

The land around Jackson is covered by trees (51%) and artificial surfaces (34%) within 2 miles, trees (56%) within 10 miles, and cropland (44%) and trees (40%) within 50 miles.

2 miles
194 ft
10 miles
331 ft
50 miles
761 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Holt 28 mi · Adrian 30 mi · Okemos 33 mi · Ann Arbor 34 mi · East Lansing 34 mi · Lansing 35 mi · Haslett 35 mi · Waverly 36 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 Jackson (42.2459°, -84.4013°, elevation 932 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).