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Detroit in December: Weather, Average temperature and Climate

Discover the weather for Detroit in December and if it’s a good time to travel (based on historical data).
Check flight prices to Detroit on Avionero:
December

Weather in Detroit in December 2024

OK Weather
Cool
☁️
Cloudy
🌊
Cold water
December could be a good time to visit Detroit, as the weather is generally fine. The average high temperature is around +3°C, and there are typically 3 sunny days in December. However, expect about 8 snowy days, and total monthly rainfall of approximately 43 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • December is usually the wettest month of the year in Detroit;

Average weather

☀️
+3°C
Avg. max. temperature
-22°C
Min.
+20°C
Max.
43 mm
Total precipitation
75%
Avg. humidity
4 m/s
Avg. wind
3 ☀️
Sunny Days
13 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Detroit has OK weather in December.

Average temperature in Detroit in December

Here are the expected maximum, average and minimum temperatures in Detroit for December based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in December is +8°C with a maximum of +16°C and a minimum of -2°C.

The average maximum temperature goes down 28% by the end of the month, compared with the beginning of the month, from +9°C to +4°C.

Is Detroit warm or cold in December?

Detroit is typically cool in December.

Maximum temperatures go down compared to the previous month from +9°C to +3°C. The minimum temperature also goes down from +2°C to -3°C.

Pack a sweater and a jacket as there will be cooler temperatures.

December is one of the coolest months in Detroit, here is the comparison with other months:

Water temperature in Detroit in December

Water in Detroit in December is Cold. It varies from +1°C to +7°C, with an average of +4°C. Note that the air temperature is lower than the water temperature, averaging around +3°C.

In December, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Detroit are reached in August, when the average sea temperature rises to +23°C. The coldest water temperatures are in February, with an average of +1°C.

Can you swim in Detroit in December?

We would not recommend swimming in Detroit in December, the water is very cold (+4°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Detroit in December

Detroit weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+9°C+3°C0°C
Min. temperature
-13°C-22°C-27°C
Max. temperature
+24°C+20°C+16°C
Rainfall
69 mm43 mm26 mm
Wind
4 m/s4 m/s4 m/s
Avg. water temperature
+9°C+4°C+2°C
Humidity
72%75%75%
Air pressure
1017 HPa1017 HPa1016 HPa
Sunny days
533
Cloudy days
111314
Rainy days
1163
Snowy days
3811

December weather is still as ok as in November. It’s getting colder in December. From +9°C in the day, the average maximum temperature lowers to +3°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 69 mm to 43 mm. Humidity rises from 72% to 75%. The average wind speed doesn’t change much during December, staying around 4 m/s. The days becoming less sunny, going from 5 sunny days in November to 3 in December.

January brings much the same weather, it remains ok.

Wind

Wind speed in Detroit in December based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Detroit is gradually increasing during December, going from 3 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Detroit based on historical data.
Last Year
Historical Data
Total precipitation in December is about 79 mm, with a 58% chance of rain on a typical day. The maximum amount of rainfall per day is around 13 mm, which is considered light rain. December is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Detroit wettest month is August, where a typical day has a 39% chance of precipitation and 114 mm of rainfall per day. January, on the other hand, is the driest month with a mere 10% chance of precipitation and 26 mm of rainfall per day.

Snow

Amount of snow in mm during December in Detroit based on historical data.
Last Year
Historical Data
The total snow in December is about 0 mm, with a 0% chance of snow on a typical day.

December is one of the snowiest months in Detroit.

Here’s how December is compared with other months in the amount of snow, total mm:

How was the weather last December in Detroit?

This is the weather in Detroit in December 2023:
1 December
🌫️
+9°C
2 December
🌫️
+6°C
3 December
🌫️
+6°C
4 December
☁️
+6°C
5 December
☁️
+3°C
6 December
☁️
+4°C
7 December
☁️
+8°C
8 December
☁️
+11°C
9 December
☁️
+16°C
10 December
☁️
+11°C
11 December
☁️
+4°C
12 December
☀️
+6°C
13 December
☀️
+3°C
14 December
☀️
+8°C
15 December
☀️
+13°C
16 December
☀️
+11°C
17 December
🌧️
+9°C
18 December
☁️
+7°C
19 December
☁️
+2°C
20 December
☀️
+6°C
21 December
☁️
+6°C
22 December
☁️
+5°C
23 December
🌫️
+8°C
24 December
🌫️
+8°C
25 December
🌫️
+12°C
26 December
☁️
+13°C
27 December
🌫️
+11°C
28 December
🌫️
+8°C
29 December
☁️
+7°C
30 December
☁️
+5°C
31 December
☁️
+4°C
In December 2023 Detroit had 6 sunny days, 16 cloudy days, and 1 rainy days. The average maximum temperature was +8°C, with an absolute maximum of +16°C and a minimum of +2°C. The average humidity was 82%, with a maximum of 99% and a minimum of 45%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change over Years

This is how Detroit climate have been changing during last 43 years period.

The climate in Detroit in December has not changed much over the last 43 years.

The average temperature was the lowest in 1992 (+13°C) and the highest in 1998 (+17°C). The driest year was 1999 with only 460 mm of rainfall, and the wettest year was 2023 with 1977 mm.

FAQ

Frequently asked questions about the weather in Detroit in December:

Is December a good time to visit Detroit?

It’s always a good time to visit Detroit, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Detroit in December?

Not really, December is not the best time to sunbathe, unless you visit a local solarium.

Can you swim in Detroit in December?

Swimming in Detroit in December is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Detroit rainy in December?

Detroit is usually dry in December. Plan your packing around outdoor activities and exploring.

Is it sunny in Detroit in December?

Usually, it’s not very sunny in Detroit in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Detroit

Source of the data

For this page, we’ve looked at the typical weather in Detroit, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.