Healdsburg Weather in January
In Healdsburg, January brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 4°C (39°F). Expect quite a bit of rainfall this month.
Rainfall in Healdsburg in January
Historically, the month has about 10 days of rain, averaging 149 mm (5.9 in) in total. 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 Healdsburg in January
Daytime temperatures in Healdsburg reach 15°C (59°F) in January, dropping to 4°C (39°F) at night. During January, the winter season is in full swing. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Healdsburg in January
The days are predominantly sunny, with an estimated total of around 190 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Should you favor a climate that's both dry and comfortably warm, April, May, June, August, September and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Healdsburg's climate page.
Healdsburg Temperature in January
Min Temperature
4°C (39°F)
Max Temperature
15°C (59°F)
Chance of Rain
33%
Precipitation
149 mm (5.9 in)
Rainy days
10 days
Sunshine
190 hours
Percentage Sunshine
60%
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Healdsburg typically stay consistent throughout January, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 4°C (39°F).
Average temperatures in January
Daily Historical Precipitation
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Healdsburg in January
Browse day-by-day weather records for Healdsburg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Healdsburg historical weather extremes in January
Based on weather observations in Healdsburg between 1999 and 2025, these are the recorded extremes during January.
- The hottest January day on record in Healdsburg reached 28°C (82°F) (January 12, 2009).
- The coldest January day was on January 7, 2011, with a maximum of 5°C (41°F).
- The lowest overnight temperature recorded in January was -6°C (21°F) (January 14, 2007).
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Healdsburg in January
The weather can be unpredictable in January, 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Healdsburg in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Healdsburg's climate page.
See the full Healdsburg climate overview or explore weather in the United States of America.
