Rohnert Park Weather in December

Thinking of visiting Rohnert Park in December? Expect moderate temperatures reaching 14°C (57°F) during the day, dropping to 3°C (37°F) at night, and be prepared for the wettest month of the year.

Rainfall in Rohnert Park in December

During the wettest month of the year, an umbrella can be your best friend to stay dry. You can typically expect 12 days of rain this month, averaging around 135 mm (5.3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Rohnert Park in December

In December, Rohnert Park sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around 3°C (37°F). December is a notable month of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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. The temperatures in December are often the mildest compared to the rest of the year.

Sunshine in Rohnert Park in December

The month brings about 160 hours of sunlight, offering a comfortable mix of sun and overcast.

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

Rohnert Park Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 40%  

Precipitation 135 mm (5.3 in)  

Rainy days 12 days  

Sunshine 160 hours *  

Percentage Sunshine 55% *  

* Data from: Healdsburg, the United States of America (33 KM, 20 Miles).

What to Wear in Rohnert Park 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. 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 Rohnert Park 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

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 Rohnert Park's climate page.

More climate data for Rohnert Park

Temperature Rainfall Sunshine

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