Oshkosh weather in January

In January, Oshkosh sees average daytime highs of 25°F and overnight lows near 14°F, with 1.5 in of precipitation across 7.8 wet days and about 9.1 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°F through the month. The sky is clear or mostly clear about 23% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of January to 9 h 30 min by month's end. Set against the rest of the year, January is Oshkosh's 11th-clearest and 3rd-windiest month. For the whole year in context, see Oshkosh's year-round climate.

Daytime high
25°
12th warmest
Overnight low
14°
1st coldest
Precipitation
1.5 in
7.8 wet days
Daylight
9 hours
7:32 AM – 4:35 PM
Cloud cover
69%
11th clearest
Wind
10 mph
3rd windiest
Solar energy
1.98 kWh/m²
Travel score
0.0
out of 10

Oshkosh is city in and county seat of Winnebago County, Wisconsin, United States.

Density
924/km²
people per km²
Founded
1818

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 25°F through the month.

A typical January day in Oshkosh reaches about 25°F in the afternoon and slips back to 14°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 9°F and 37°F. Set against its neighbours, January runs about 6°F cooler than December and about 3°F cooler than February.

10°20°30°40°151015202531
Avg high (°F)Avg low (°F)
12716
22716
32716
42616
52615
62615
72615
82615
92615
102514
112514
122514
132514
142514
152513
162413
172413
182413
192413
202413
212413
222413
232413
242413
252413
262413
272513
282513
292514
302514
312514

How January really feels in Oshkosh

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.

Oshkosh weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan25° / 14°1.57.86.99.10.0
Feb28° / 16°1.36.65.510.20.0
Mar38° / 25°2.38.74.711.60.1
Apr51° / 37°3.310.92.413.22.4
May64° / 50°3.410.9014.55.5
Jun74° / 61°3.710.6015.26.7
Jul79° / 65°3.210.10156.8
Aug77° / 63°3.410.1013.87.0
Sep69° / 56°2.99.3012.36.6
Oct56° / 44°2.99.90.310.83.8
Nov42° / 32°2.18.32.49.40.6
Dec31° / 20°1.77.15.48.80.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63268
73268
83367
93367
103367
113367
123466
133466
143466
153367
163367
173367
183466
193466
203466
213466
223466
233466
243466
253466
263466
273466
283466
293565
303565
313565

Chance of precipitation in January

Any precipitationSnow

Oshkosh gets around 1.5 in of rain and snow over 7.8 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 25% and peaks near 26% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12217
22218
32318
42319
52420
62420
72421
82522
92522
102523
112623
122623
132624
142624
152624
162624
172624
182624
192624
202624
212624
222624
232623
242523
252523
262523
272523
282523
292423
302422
312322

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 10 mph in January.

Across January, daily wind ranges from about 10 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 48 min at the start of January to 9 h 30 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 7:35 AM to 7:21 AM, and sunset from 4:20 PM to 4:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:354:20
28.87:354:21
38.87:354:22
48.87:354:23
58.87:354:23
68.87:354:24
78.87:354:25
88.97:344:26
98.97:344:27
108.97:344:28
118.97:344:29
128.97:344:30
139.07:334:31
149.07:334:33
159.07:324:34
169.07:324:35
179.17:324:36
189.17:314:37
199.17:304:38
209.27:304:40
219.27:294:41
229.27:294:42
239.37:284:43
249.37:274:45
259.37:264:46
269.47:264:47
279.47:254:49
289.47:244:50
299.57:234:51
309.57:224:53
319.57:214:54

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.98 kWh/m².

For context, solar energy here swings from a low near 1.55 kWh/m² to a high of 6.14 kWh/m² in June across the year — January's 1.98 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.9Dim
131.9Dim
141.9Dim
151.9Dim
162.0Dim
172.0Moderate
182.0Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.3Moderate
272.3Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.5Moderate
Planning a trip in January

Is January a good time to visit Oshkosh?

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
8th-best month of the year

January is a weaker month for outdoor sightseeing in Oshkosh.

What to pack for Oshkosh in January

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

In January, Oshkosh sees daytime highs around 25°F and nights near 14°F. Pack a warm layer and a heavy coat. About 8 days see rain.

a warm layera heavy coat

UV index in Oshkosh 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 Oshkosh peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 18UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Oshkosh?

Oshkosh sits at 44.0°N, 88.5°W, 768 ft above sea level, in United States. The nearest listed city is Neenah, 12 mi away.

Topography around Oshkosh

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

Within 2 miles, the terrain around Oshkosh has only modest variations in elevation — a maximum elevation change of 148 ft around an average of 758 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 318 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 768 ft.

The land around Oshkosh is covered by artificial surfaces (44%), trees (21%) and water (21%) within 2 miles, water (40%) and cropland (30%) within 10 miles, and cropland (45%) and trees (30%) within 50 miles.

2 miles
148 ft
10 miles
318 ft
50 miles
768 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Neenah 12 mi · Menasha 13 mi · Appleton 17 mi · Fond du Lac 18 mi · Kaukauna 22 mi · De Pere 38 mi · Ashwaubenon 39 mi · Beaver Dam 42 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 Oshkosh (44.0247°, -88.5426°, elevation 768 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).