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Weather in Sarnia for December 2024

Your guide to Sarnia weather in December - trends and predictions

  • In general, the average temperature in Sarnia at the beginning of December is 3.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.6 °C by the end of December.

  • The climate of Sarnia in December is notably wet, with an average of 11 rainy days.

  • With an average of 5 snowy days, Sarnia enjoys a light touch of snow in December.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
15
Dry days
Average rainy days
11
Rainy days
Average snowy days
5
Snow days
Average temperatures
6°/2°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Sarnia in December average weather

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain
4°
2
Light rain
5°
3
Moderate rain
4°
4
Overcast
3°
5
Light snow
2°
6
Light snow showers
2°
7
Patchy rain possible
6°
8
Patchy rain possible
8°
9
Light drizzle
13°
10
Moderate snow
6°
11
Light freezing rain
2°
12
Partly cloudy
4°
13
Partly cloudy
2°
14
Overcast
5°
15
Sunny
9°
16
Overcast
8°
17
Light rain
6°
18
Light snow showers
6°
19
Patchy light snow
0°
20
Partly cloudy
4°
21
Overcast
2°
22
Patchy rain possible
4°
23
Light drizzle
5°
24
Overcast
7°
25
Overcast
11°
26
Light rain
10°
27
Light rain shower
9°
28
Patchy rain possible
8°
29
Patchy rain possible
6°
30
Sunny
5°
31
Light snow
4°
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Temperatures trend during December in Sarnia

See the weather trend as well as the moving average line

December weather day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Moderate rain
Moderate rain
 4° /2° 11.7 mm 0 cm
2 Dec. Light rain
Light rain
 5° /3° 6.6 mm 0 cm
3 Dec. Moderate rain
Moderate rain
 4° /2° 15.2 mm 0 cm
4 Dec. Overcast
Overcast
 3° /0° 0 mm 0 cm
5 Dec. Light snow
Light snow
 2° /-1° 0.3 mm 0.3 cm
6 Dec. Light snow showers
Light snow showers
 2° /0° 0.1 mm 0.1 cm
7 Dec. Patchy rain possible
Patchy rain possible
 6° /0° 0.1 mm 0 cm
8 Dec. Patchy rain possible
Patchy rain possible
 8° /1° 0 mm 0 cm
9 Dec. Light drizzle
Light drizzle
 13° /5° 0.5 mm 0 cm
10 Dec. Moderate snow
Moderate snow
 6° /1° 5.1 mm 2.4 cm
11 Dec. Light freezing rain
Light freezing rain
 2° /-1° 0.1 mm 0 cm
12 Dec. Partly cloudy
Partly cloudy
 4° /-1° 0 mm 0 cm
13 Dec. Partly cloudy
Partly cloudy
 2° /-2° 0 mm 0 cm
14 Dec. Overcast
Overcast
 5° /-1° 0 mm 0 cm
15 Dec. Sunny
Sunny
 9° /1° 0 mm 0 cm
16 Dec. Overcast
Overcast
 8° /4° 0 mm 0 cm
17 Dec. Light rain
Light rain
 6° /5° 3.9 mm 0 cm
18 Dec. Light snow showers
Light snow showers
 6° /-2° 3.4 mm 0.8 cm
19 Dec. Patchy light snow
Patchy light snow
 0° /-3° 0.4 mm 0 cm
20 Dec. Partly cloudy
Partly cloudy
 4° /0° 0 mm 0 cm
21 Dec. Overcast
Overcast
 2° /0° 0 mm 0 cm
22 Dec. Patchy rain possible
Patchy rain possible
 4° /0° 0.5 mm 0 cm
23 Dec. Light drizzle
Light drizzle
 5° /3° 4.7 mm 0 cm
24 Dec. Overcast
Overcast
 7° /2° 0 mm 0 cm
25 Dec. Overcast
Overcast
 11° /6° 0 mm 0 cm
26 Dec. Light rain
Light rain
 10° /7° 8.8 mm 0 cm
27 Dec. Light rain shower
Light rain shower
 9° /5° 4 mm 0 cm
28 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 0.2 mm 0 cm
29 Dec. Patchy rain possible
Patchy rain possible
 6° /4° 1.8 mm 0 cm
30 Dec. Sunny
Sunny
 5° /1° 0.2 mm 0 cm
31 Dec. Light snow
Light snow
 4° /0° 0.3 mm 0.2 cm
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Important Notice
Our weather forecast for Sarnia in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sarnia forecast closer to your planned date for the most up-to-date weather information.

Sarnia in December - FAQ

What are the expected maximum and minimum temperatures in Sarnia during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below 2°.
How much rainfall should be expected in Sarnia during December?
Moderate rainfall is anticipated in Sarnia during December, with a total of 68 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
Is snowfall common in Sarnia during December?
Sarnia experiences an average snowfall of 3.7 cm during December, occurring over 5 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Sarnia during December?
The average wind speed in Sarnia during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

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Get accurate weather forecasts for Sarnia, located at latitude 42.979 and longitude -82.404. Stay updated with localized weather information tailored for Sarnia.

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