Healdsburg
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Healdsburg, CA

Neat rows of plants in a farm with a view of a red farmhouse up the hill in Healdsburg, California
Neat rows of plants in a farm with a view of a red farmhouse up the hill in Healdsburg, California
December, the first month of the winter, in Healdsburg, is also a blazing hot month, with average temperature ranging between max 136.4°F (58°C) and min 100.4°F (38°C).

Temperature

In Healdsburg, the average high-temperature in December declines considerably, from a blazing hot 150.8°F (66°C) in November, to a still life-threatening hot 136.4°F (58°C). In December, the average low-temperature is 100.4°F (38°C).

Rainfall

During December, Healdsburg regularly aggregates up to 0.3" (7.6mm) of precipitation. During the entire year, Healdsburg aggregates up to 1.6" (41.3mm) of precipitation.

Daylight

The month with the shortest days in Healdsburg is December, with an average of 9.5h of daylight.

What is the temperature in December in Healdsburg?

In December, in Healdsburg, the average high-temperature is 136.4°F (58°C), and the average low-temperature is 100.4°F (38°C).

How much does it rain in Healdsburg in December?

Throughout December, in Healdsburg, 0.3" (7.6mm) of precipitation is accumulated.

What is the month with the shortest days in Healdsburg?

With an average of 9.5h of daylight, December has the shortest days of the year in Healdsburg, California.

How many hours of daylight does Healdsburg have in December?

In December, the average length of the day in Healdsburg, California, is 9.5h.
Average temperature in December - Healdsburg, CA
  • Average high temperature in December: 136.4°F

The warmest month (with the highest average high temperature) is July (192.2°F).
The month with the lowest average high temperature is January (134.6°F).

  • Average low temperature in December: 100.4°F

Months with the highest average low temperature are July and August (125.6°F).
Coldest months (with the lowest average low temperature) are January and December (100.4°F).

Average rainfall in December - Healdsburg, CA
  • Average rainfall in December: 0.3"

The wettest month (with the highest rainfall) is January (0.4").
Driest months (with the lowest rainfall) are May, June, July, August and September (0").

Average daylight in December - Healdsburg, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).