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Poor

December is a poor month in Simcoe

Climate Overview

Simcoe, Canada in December has cold conditions, with highs averaging around 2.8°C (37°F). Rain falls on about 13 days this month. Winds are noticeable.

This month falls at the beginning of Winter. Cold conditions dominate the month.

Temperatures remain fairly steady throughout December, with daily highs around 4°C (39°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 4.4h of sunshine at the start of December, decreasing to 3.6h by the end.

The warmest days tend to fall around the 1th, averaging 4.7°C (40°F).

Compared to November, this month is about 5°C cooler with 1 more rainy days. Temperatures begin dropping heading into January.

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Monthly December Averages

Temperature
3°C / -2°C
Feels Like
-2°C / -8°C
Rain
13 days · 88 mm
Sunshine
4.2h / day
Humidity
77% — Humid
Wind
29 km/h
Wind Direction
W (260°)
Gusts
48 km/h
Daylight
9.1 h
Cloud Cover
80%
Clear Sky Days
0.4
UV Index
1.7 — Low
Dew Point
-3°C — Dry
Moon Phase
Waxing Crescent · 31%
Snow Days
11 days · 18.8 cm
Frost Days
20 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

12°C 9°C 6°C 3°C 0°C -3°C -6°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202531
Rainfall

Daily Sunshine

0h 2h 4h 6h 8h 151015202531
Sunshine

Daily Wind Speed

0 8 16 24 32 40 151015202531
Wind Speed
Sun Position
Sunrise 07:46
Daylight 9h
Sunset 16:49

What to Expect

Cold daytime highs of 3°C (37°F) mean shorter outdoor excursions with warming breaks. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
0°C / -5°C
Feels Like
-5°C / -11°C
Rain
12days (81 mm) Wet
Sun
4.9h Fair
Humidity
75% Muggy
UV
1.9 Low
Snow Days
15days
February
Poor
Temp
2°C / -5°C
Feels Like
-4°C / -11°C
Rain
11days (75 mm) Wet
Sun
6.4h Fair
Humidity
75% Muggy
UV
3.1 Moderate
Snow Days
11days
March
Poor
Temp
6°C / -1°C
Feels Like
1°C / -7°C
Rain
11days (88 mm) Wet
Sun
7.9h Good
Humidity
72% Muggy
UV
4.2 Moderate
Snow Days
7days
April
Poor
Temp
11°C / 4°C
Feels Like
8°C / -1°C
Rain
14days (96 mm) Wet
Sun
9.3h Good
Humidity
70% Muggy
UV
5 Moderate
Snow Days
3days
May best
Good
Temp
18°C / 10°C
Feels Like
17°C / 7°C
Rain
11days (87 mm) Wet
Sun
10.7h Excellent
Humidity
71% Muggy
UV
6 High
June best
Excellent
Temp
24°C / 16°C
Feels Like
24°C / 15°C
Rain
10days (74 mm) Wet
Sun
12.4h Excellent
Humidity
70% Muggy
UV
6.7 High
July best
Excellent
Temp
26°C / 19°C
Feels Like
28°C / 20°C
Rain
11days (91 mm) Wet
Sun
12.3h Excellent
Humidity
73% Muggy
UV
6.9 High
August best
Excellent
Temp
25°C / 19°C
Feels Like
27°C / 19°C
Rain
11days (92 mm) Wet
Sun
11.6h Excellent
Humidity
75% Muggy
UV
6.1 High
September best
Excellent
Temp
22°C / 16°C
Feels Like
22°C / 15°C
Rain
8days (62 mm) Wet
Sun
10h Excellent
Humidity
75% Muggy
UV
5.1 High
October
Fair
Temp
16°C / 10°C
Feels Like
13°C / 7°C
Rain
12days (97 mm) Wet
Sun
7.3h Good
Humidity
75% Muggy
UV
3.6 Moderate
November
Poor
Temp
8°C / 3°C
Feels Like
4°C / -2°C
Rain
12days (77 mm) Wet
Sun
5.8h Fair
Humidity
74% Muggy
UV
2.2 Moderate
Snow Days
4days
December
Poor
Temp
3°C / -2°C
Feels Like
-2°C / -8°C
Rain
13days (88 mm) Wet
Sun
4.2h Fair
Humidity
77% Humid
UV
1.7 Low
Snow Days
11days
Month Temp Feels Like Rain Sun Humidity UV Status Details
January 0°C / -5°C -5°C / -11°C 12days (81 mm) Wet 4.9h Fair 75% Muggy 1.9 Low Poor View Details
February 2°C / -5°C -4°C / -11°C 11days (75 mm) Wet 6.4h Fair 75% Muggy 3.1 Moderate Poor View Details
March 6°C / -1°C 1°C / -7°C 11days (88 mm) Wet 7.9h Good 72% Muggy 4.2 Moderate Poor View Details
April 11°C / 4°C 8°C / -1°C 14days (96 mm) Wet 9.3h Good 70% Muggy 5 Moderate Poor View Details
May best 18°C / 10°C 17°C / 7°C 11days (87 mm) Wet 10.7h Excellent 71% Muggy 6 High Good View Details
June best 24°C / 16°C 24°C / 15°C 10days (74 mm) Wet 12.4h Excellent 70% Muggy 6.7 High Excellent View Details
July best 26°C / 19°C 28°C / 20°C 11days (91 mm) Wet 12.3h Excellent 73% Muggy 6.9 High Excellent View Details
August best 25°C / 19°C 27°C / 19°C 11days (92 mm) Wet 11.6h Excellent 75% Muggy 6.1 High Excellent View Details
September best 22°C / 16°C 22°C / 15°C 8days (62 mm) Wet 10h Excellent 75% Muggy 5.1 High Excellent View Details
October 16°C / 10°C 13°C / 7°C 12days (97 mm) Wet 7.3h Good 75% Muggy 3.6 Moderate Fair View Details
November 8°C / 3°C 4°C / -2°C 12days (77 mm) Wet 5.8h Fair 74% Muggy 2.2 Moderate Poor View Details
December 3°C / -2°C -2°C / -8°C 13days (88 mm) Wet 4.2h Fair 77% Humid 1.7 Low Poor View Details

What to Wear

Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm coatThermal base layersScarf & glovesUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

December is typically poor for visiting Simcoe, with average highs of 3°C (37°F) and around 13 rainy days. Simcoe, Canada in December has cold conditions, with highs averaging around 2.8°C (37°F). Rain falls on about 13 days th
Simcoe typically sees around 13 rainy days in December with 88 mm (3.5 in) of total rainfall. Pack a waterproof jacket.
Yes, nights in Simcoe during December are cold, averaging -2°C (29°F). Pack warm layers and a coat for evenings.
With highs of 3°C (37°F) and lows of -2°C (29°F) in December, we recommend: Warm coat, Thermal base layers, Scarf & gloves, Umbrella, Waterproof jacket. Comfortable walking shoes are essential.
December is not the most favourable month weather-wise in Simcoe. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Simcoe during December is 2 (low). No special sun protection is needed.
Simcoe gets approximately 9 hours of daylight per day in December, with around 4 hours of sunshine.
Yes, Simcoe typically sees around 11 snow days in December with roughly 19 cm (7 in) of snowfall.

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