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.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Pasadena's climate page.

Pasadena Temperature in December

Min Temperature 9°C (48°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 33%  

Precipitation 100 mm (3.9 in)  

Rainy days 10 days  

Humidity 75% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 150 hours *  

Percentage Sunshine 47% *  

* Data from: Houston, the United States of America (16 KM, 10 Miles).

What to Wear in Pasadena in December

For Pasadena in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Pasadena in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Pasadena's climate page.

More climate data for Pasadena

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Pasadena climate overview or explore weather in the United States of America.