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Weather in Ancaster for December 2025

Your guide to Ancaster weather in December - trends and predictions

    Snow Forecast ❄️

  • Ancaster typically experiences moderate snowfall in December, with an average of 10 snowy days.
    According to Ancaster snow forecast for December 2025, 7 snowy days are expected until the end of the month. The closest date with snow is Monday, 15 December.

    • Temperatures

  • Until now, December 2025 in Ancaster is cooler than usual, with temperatures averaging -0.5 °C, this is -2.4 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Ancaster with the forecast suggesting a temperature of -0.7 °C, lower than the historical average.

  • In general, the average temperature in Ancaster at the beginning of December is 1.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -0.9 °C by the end of December.

    • More

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Average dry days
11
Dry days
Average rainy days
10
Rainy days
Average snowy days
10
Snow days
Average temperatures
3°/0°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Ancaster Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain
2°
2
Moderate rain
2°
3
Moderate or heavy rain with thunder
2°
4
Overcast
2°
5
Overcast
1°
6
Overcast
0°
7
Heavy snow
2°
8
Overcast
2°
9
Thundery outbreaks possible
5°
10
Moderate rain
5°
11
Light snow showers
1°
12
Patchy light snow
2°
13
Partly cloudy
-1°
14
Overcast
-1°
15
Light freezing rain
-5°
16
Overcast
-1°
17
Overcast
2°
18
Moderate or heavy snow showers
6°
19
Blowing snow
2°
20
Light freezing rain
2°
21
Moderate snow
1°
22
Light freezing rain
-3°
23
Partly cloudy
5°
24
Overcast
3°
25
Cloudy
-5°
26
Heavy snow
-3°
27
Partly cloudy
-7°
28
Partly cloudy
-7°
29
Light drizzle
7°
30
Patchy rain possible
6°
31
Light snow
3°

Temperatures trend during December in Ancaster

See the weather trend as well as the moving average line

December weather in Ancaster day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Moderate rain
Moderate rain
 2° /-2° 3.6 mm 0 cm
2 Dec. Moderate rain
Moderate rain
 2° /-2° 6.3 mm 2.8 cm
3 Dec. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 2° /-2° 7.9 mm 0.4 cm
4 Dec. Overcast
Overcast
 2° /-2° 2.8 mm 0.5 cm
5 Dec. Overcast
Overcast
 1° /-4° 1.4 mm 0 cm
6 Dec. Overcast
Overcast
 0° /-3° 0 mm 0 cm
7 Dec. Heavy snow
Heavy snow
 2° /-2° 3.1 mm 2.3 cm
8 Dec. Overcast
Overcast
 2° /-3° 0 mm 0 cm
9 Dec. Thundery outbreaks possible
Thundery outbreaks possible
 5° /-1° 17.9 mm 0.4 cm
10 Dec. Moderate rain
Moderate rain
 5° /0° 16.3 mm 2.8 cm
11 Dec. Light snow showers
Light snow showers
 1° /-2° 0.2 mm 0.1 cm
12 Dec. Patchy light snow
Patchy light snow
 2° /-4° 0 mm 0 cm
13 Dec. Partly cloudy
Partly cloudy
 -1° /-6° 0 mm 0 cm
14 Dec. Overcast
Overcast
 -1° /-6° 0 mm 0 cm
15 Dec. Light freezing rain
Light freezing rain
 -5° /-17° 0.9 mm 0.5 cm
16 Dec. Overcast
Overcast
 -1° /-8° 0 mm 0 cm
17 Dec. Overcast
Overcast
 2° /-4° 0 mm 0 cm
18 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 6° /-6° 10.4 mm 0 cm
19 Dec. Blowing snow
Blowing snow
 2° /-5° 1.9 mm 0.1 cm
20 Dec. Light freezing rain
Light freezing rain
 2° /-5° 0.1 mm 0.1 cm
21 Dec. Moderate snow
Moderate snow
 1° /-5° 0.3 mm 0.2 cm
22 Dec. Light freezing rain
Light freezing rain
 -3° /-7° 0.1 mm 0.1 cm
23 Dec. Partly cloudy
Partly cloudy
 5° /-1° 0 mm 0 cm
24 Dec. Overcast
Overcast
 3° /-4° 0.1 mm 0 cm
25 Dec. Cloudy
Cloudy
 -5° /-8° 0.1 mm 0 cm
26 Dec. Heavy snow
Heavy snow
 -3° /-10° 1.8 mm 1.3 cm
27 Dec. Partly cloudy
Partly cloudy
 -7° /-13° 0 mm 0 cm
28 Dec. Partly cloudy
Partly cloudy
 -7° /-12° 0 mm 0 cm
29 Dec. Light drizzle
Light drizzle
 7° /3° 23.2 mm 0 cm
30 Dec. Patchy rain possible
Patchy rain possible
 6° /0° 0.5 mm 0 cm
31 Dec. Light snow
Light snow
 3° /0° 3.4 mm 0.3 cm
Next
Important Notice
Our weather forecast for Ancaster 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 Ancaster forecast closer to your planned date for the most up-to-date weather information.
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Ancaster in December - FAQ

What are the expected maximum and minimum temperatures in Ancaster during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Ancaster during December?
Significant rainfall exceeding 134.9 mm is expected in Ancaster during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Ancaster in December 2025?
Ancaster experiences an average snowfall of 17.935 cm during December, occurring over 10 days.
What are the typical wind conditions in Ancaster during December?
The average wind speed in Ancaster during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Ancaster snow forecast December 2025

Track daily snowfall levels and discover Ancaster’s snowy potential this December ❄️
On average, Ancaster sees 10 snowy days during December, with approximately 17.9 cm of total snowfall.

December rainfall patterns in Ancaster

Explore the daily rainfall trends and prepare for Ancasters December weather 💧
Typically, Ancaster has 10 rainy days in December with a total of 134.9 mm of rainfall.

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Location coordinates Where is Ancaster?

Get accurate weather forecasts for Ancaster, located at latitude 43.218 and longitude -79.987. Stay updated with localized weather information tailored for Ancaster.

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