Fond du Lac in Winter
In winter (December, January and February), Fond du Lac sees average daytime highs around 29°F and overnight lows near 16°F, with 4.8 in of precipitation over about 22 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 29°F. The sky is clear or mostly clear about 21% of the time across winter, and the air most often feels dry.
Winter is Fond du Lac's weakest season of the year to visit on our travel score. For the whole year in context, see Fond du Lac's year-round climate.
- Avg daytime high
- 29°F
- coldest season of the year
- Avg overnight low
- 16°F
- Precipitation
- 4.8 in
- 22 wet days
- Avg wind
- 10 mph
- Travel score
- 0.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Fond du Lac in Winter
Across winter, daytime highs hold fairly steady around 29°F.
A typical winter day in Fond du Lac reaches about 29°F and drops to 16°F overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Fond du Lac
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 90 that feel at or below 32°F.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Fond du Lac weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 26° / 13° | 1.5 | 8 | 7 | 9.1 | 0.0 |
| Feb | 29° / 15° | 1.5 | 6.6 | 5.7 | 10.2 | 0.0 |
| Mar | 40° / 25° | 2.3 | 9 | 4.6 | 11.6 | 0.4 |
| Apr | 53° / 37° | 3.6 | 11.6 | 2.3 | 13.2 | 3.0 |
| May | 65° / 48° | 3.6 | 11.3 | 0.1 | 14.5 | 5.7 |
| Jun | 75° / 59° | 3.9 | 11.1 | 0 | 15.2 | 6.6 |
| Jul | 79° / 63° | 3.2 | 10.1 | 0 | 14.9 | 6.7 |
| Aug | 77° / 61° | 3.5 | 10.4 | 0 | 13.8 | 6.9 |
| Sep | 70° / 53° | 2.9 | 9.2 | 0 | 12.3 | 6.7 |
| Oct | 57° / 42° | 2.8 | 9.6 | 0.3 | 10.8 | 4.1 |
| Nov | 43° / 30° | 2.0 | 8.1 | 2.4 | 9.5 | 0.7 |
| Dec | 31° / 19° | 1.8 | 7 | 5.8 | 8.8 | 0.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 21% of the time across winter.
Chance of precipitation in Winter
Fond du Lac gets around 4.8 in of rain and snow over 22 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 10 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 hours in early December to 10 h 48 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.1 kWh/m².
Is winter a good time to visit Fond du Lac?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Fond du Lac.
What to pack for Fond du Lac in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Fond du Lac sees daytime highs around 29°F and nights near 16°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 22 days see rain.
Sea temperature near Fond du Lac in Winter
The nearest coast averages about 38°F across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 40 mi away) is warmest in August at about 70°F and coldest in March near 36°F.
It's comfortable for a long swim from Jul 31 to Aug 28 — about 1 month when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 38 | 36 | 36 | 38 | 42 | 54 | 66 | 70 | 65 | 55 | 46 | 41 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 38 | Bracing |
| Feb | 36 | Bracing |
| Mar | 36 | Bracing |
| Apr | 38 | Bracing |
| May | 42 | Bracing |
| Jun | 54 | Bracing |
| Jul | 66 | Cool |
| Aug | 70 | Refreshing |
| Sep | 65 | Cool |
| Oct | 55 | Bracing |
| Nov | 46 | Bracing |
| Dec | 41 | Bracing |
UV index in Fond du Lac in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Fond du Lac peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 8 | 9 | 8 | 7 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Fond du Lac in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Fond du Lac is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 13 | 12 | 13 | 14 | 15 | 14 | 11 | 8 | 8 | 9 |
| Level | Good | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Moderate |
| Mar | 13 | Moderate |
| Apr | 12 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 9 | Good |
Where is Fond du Lac?
Fond du Lac sits at 43.8°N, 88.4°W, 761 ft above sea level, in United States. The nearest listed city is Oshkosh, 18 mi away.
Topography around Fond du Lac
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Fond du Lac.
Within 2 miles, the terrain around Fond du Lac has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 774 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 551 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 764 ft.
The land around Fond du Lac is covered by artificial surfaces (42%), trees (28%) and grassland (22%) within 2 miles, cropland (48%) within 10 miles, and cropland (42%) and trees (25%) within 50 miles.
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
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 Fond du Lac (43.775°, -88.4388°, elevation 761 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.