Sebastopol Weather in December

Sebastopol in December averages 14°C (57°F) during the day and 3°C (37°F) at night. This is the wettest month of the year, and part of the winter season.

Rainfall in Sebastopol in December

Prepare for the heaviest rain of the year this month, which often comes in heavy showers. A poncho is a smart choice to stay dry. Rain is expected on roughly 13 days, totalling around 176 mm (6.9 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Sebastopol in December

In December, Sebastopol sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around 3°C (37°F). December is part of winter. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. During this period, the city experiences its coolest temperatures annually.

Sunshine in Sebastopol in December

The month experiences a moderate amount of sunlight, with 160 hours of sunshine. This provides a nice balance between sunshine and clouds.

December in Sebastopol can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
• February
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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 Sebastopol's climate page.

Sebastopol Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 43%  

Precipitation 176 mm (6.9 in)  

Rainy days 13 days  

Sunshine 160 hours *  

Percentage Sunshine 55% *  

* Data from: Healdsburg, the United States of America (23 KM, 14 Miles).

What to Wear in Sebastopol in December

The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sebastopol in December

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

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 Sebastopol's climate page.

More climate data for Sebastopol

Temperature Rainfall Sunshine

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