Geyserville Weather in December

Geyserville in December sees moderate daytime temperatures of 14°C (57°F) and nighttime lows of 4°C (39°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Geyserville in December

This month is characterized by heavy rain, often falling intensely. Equip yourself with a poncho to stay protected from the rain. Records from the past 30 years suggest around 13 days of rain, with 173 mm (6.8 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Geyserville in December

Daytime temperatures in Geyserville reach 14°C (57°F) in December, dropping to 4°C (39°F) at night. December is known for being in the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. During December, the city enjoys the most temperate climate of the year.

Sunshine in Geyserville in December

The area experiences a moderate amount of sunshine, with approximately 160 hours of sunlight expected. This means a decent mix of sun and overcast.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Geyserville. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Geyserville's climate page.

Geyserville Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 44%  

Precipitation 173 mm (6.8 in)  

Rainy days 13 days  

Sunshine 160 hours *  

Percentage Sunshine 55% *  

* Data from: Healdsburg, the United States of America (11 KM, 6 Miles).

What to Wear in Geyserville in December

Pack for changing conditions in Geyserville in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Geyserville 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 Geyserville's climate page.

More climate data for Geyserville

Temperature Rainfall Sunshine

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