Manitowoc climate — normals and trends
Manitowoc (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.6 °C and it receives 803 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (21.7 °C on average) and the coldest is January (-7.2 °C). Rainfall peaks in August.
Manitowoc averages 126 frost days, 4 hot days (≥ 30 °C) and 113 rainy days per year.
Manitowoc has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 140 to 112 per year over the period.
The hottest day of the period reached 35.5 °C (on 14 June 1987) and the coldest -31.8 °C (on 3 February 1996).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
ManitowocWisconsin
- coords
- 44.09°, -87.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.6°C
Average daily high
11.0°C
Average daily low
4.2°C
Annual rainfall
803mm
Sunshine / day
8.8h
Mean relative humidity
76%
Average peak wind
21.2km/h
Seasonal range
28.9°C
Frost days (< 0 °C)
126 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
113 d/yr
Annual snowfall
97.3 cm
Average feels-like high
8.7 °C
Average feels-like low
0.8 °C
Average peak gust
38.6 km/h
Tropical nights (≥ 20 °C)
18 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.35 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
35.5 °C
14 June 1987
Coldest day
-31.8 °C
3 February 1996
Wettest day
86 mm
13 September 1961
Windiest day
60.2 km/h
11 November 1940
Strongest gust
106.9 km/h
16 November 1955
Hottest feels-like
40.5 °C
4 July 2012
Coldest feels-like
-38.7 °C
10 January 1982
Snowiest day
25.8 cm
3 December 1990
Sunniest day
15.0 h
26 June 2022
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -3.2 °C | +0.7 °C | 5 mm | -36 mm |
| Feb | -2.1 °C | +0.3 °C | 33 mm | -1 mm |
| Mar | 5.9 °C | +3.4 °C | 81 mm | +21 mm |
| Apr | 9.6 °C | +0.5 °C | 98 mm | +17 mm |
| May | 14.8 °C | -0.6 °C | 69 mm | -10 mm |
| Jun | 22.8 °C | +1.0 °C | 101 mm | +16 mm |
| Jul | 25.7 °C | +0.4 °C | 121 mm | +35 mm |
| Aug | 23.8 °C | -0.7 °C | 84 mm | -4 mm |
| Sep | 21.2 °C | +0.9 °C | 59 mm | -17 mm |
| Oct | 15.9 °C | +2.0 °C | 48 mm | -20 mm |
| Nov | 7.3 °C | +0.9 °C | 43 mm | -16 mm |
| Dec | -1.9 °C | -1.4 °C | 50 mm | +3 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Manitowoc?
Manitowoc has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.6 °C and it receives 803 mm of precipitation per year.
What is the hottest day ever recorded in Manitowoc?
The hottest day measured in Manitowoc between 1940 and 2025 was 14 June 1987, reaching 35.5 °C.
What is the coldest day in Manitowoc?
The coldest day measured in Manitowoc between 1940 and 2025 was 3 February 1996, at -31.8 °C.
Does it snow in Manitowoc?
Yes. Manitowoc gets on average 97.3 cm of snow per year and has around 126 frost days.
Has the climate of Manitowoc warmed?
Yes: Manitowoc warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Manitowoc?
The wettest day measured in Manitowoc between 1940 and 2025 was 13 September 1961, with 86 mm of rain in 24 hours.
What was the windiest day in Manitowoc?
The windiest day measured in Manitowoc between 1940 and 2025 was 11 November 1940, with winds reaching 60.2 km/h.
What is the warmest month in Manitowoc?
The warmest month in Manitowoc is July (21.7 °C on average); the coldest is January (-7.2 °C).
How much does it rain in Manitowoc?
Manitowoc receives on average 803 mm of precipitation per year, spread over about 113 rainy days.
Is it sunny in Manitowoc?
Manitowoc gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Manitowoc?
The heaviest 24-hour snowfall measured in Manitowoc between 1940 and 2025 was 3 December 1990, with 25.8 cm.
Are there tropical nights in Manitowoc?
Yes: Manitowoc has on average 18 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Manitowoc?
In Manitowoc, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 4 July 2012, and the lowest was -38.7 °C on 10 January 1982.
Compare Manitowoc with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Manitowoc