Monthly climate averages for Pasadena, Canada. Based on 10-year ERA5 reanalysis data.
Dfb Warm-Summer Continental
Climate OverviewPasadena, Canada in December has cold conditions, with highs averaging around 1.4°C (35°F). Rain falls on about 18 days this month, totalling around 129 mm.
This month falls at the beginning of Winter. Cold conditions dominate the month.
Daily highs in December gradually drop from around 3°C (37°F) at the start to 0°C (32°F) by month's end.
December sees fairly even rainfall, totalling about 129 mm across the month.
The warmest days tend to fall around the 1th, averaging 3.7°C (39°F).
Compared to November, this month is about 4°C cooler with 2 fewer rainy days. Temperatures begin dropping heading into January.
Daily averages based on historical data (2016–2025)
Cold daytime highs of 1°C (35°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.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -2°C / -7°C | -6°C / -12°C | 17days (114 mm) Wet | 3.3h Poor | 82% Humid | 1.5 Low | Poor | View Details |
| February | -2°C / -9°C | -7°C / -14°C | 16days (108 mm) Wet | 4.7h Fair | 80% Humid | 2.3 Moderate | Poor | View Details |
| March | 1°C / -5°C | -4°C / -10°C | 16days (99 mm) Wet | 6.2h Fair | 79% Humid | 3 Moderate | Poor | View Details |
| April | 5°C / -1°C | 1°C / -5°C | 14days (90 mm) Wet | 7.2h Good | 79% Humid | 4.4 Moderate | Poor | View Details |
| May | 11°C / 3°C | 9°C / 0°C | 12days (82 mm) Wet | 8.4h Good | 77% Humid | 5 Moderate | Poor | View Details |
| June best | 18°C / 9°C | 17°C / 7°C | 12days (93 mm) Wet | 8.8h Good | 77% Humid | 5.1 High | Good | View Details |
| July best | 22°C / 14°C | 23°C / 14°C | 13days (89 mm) Wet | 9.7h Good | 79% Humid | 5.9 High | Excellent | View Details |
| August best | 22°C / 15°C | 22°C / 15°C | 12days (93 mm) Wet | 9.1h Good | 80% Humid | 5.2 High | Excellent | View Details |
| September best | 17°C / 11°C | 16°C / 9°C | 13days (89 mm) Wet | 7.2h Good | 81% Humid | 4.1 Moderate | Good | View Details |
| October | 12°C / 6°C | 9°C / 3°C | 13days (111 mm) Wet | 5.9h Fair | 82% Humid | 2.6 Moderate | Fair | View Details |
| November | 6°C / 2°C | 2°C / -3°C | 20days (148 mm) Wet | 3.2h Poor | 84% Humid | 1.4 Low | Wet | View Details |
| December | 1°C / -3°C | -3°C / -8°C | 18days (129 mm) Wet | 2.8h Poor | 83% Humid | 1.1 Low | Wet | View Details |
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.
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