Pasadena Weather in December

December in Pasadena sees daytime temperatures around 19°C (66°F) and lows of 9°C (48°F) at night. With around 100 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Pasadena in December

Records from the past 30 years suggest around 10 days of rain, with 100 mm (3.9 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Pasadena in December

In December, Pasadena gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 9°C (48°F). December is in the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Pasadena in December

The city usually sees around 150 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Pasadena in December

December has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

If your ideal day consists of dry skies and pleasant temperatures, March typically offers the best circumstances for Pasadena.