Healdsburg Weather in August
August is one of the perfect months to visit Healdsburg, with daytime temperatures of 29°C (84°F) and lows of 12°C (54°F) at night. It is also the driest month of the year.
Rainfall in Healdsburg in August
This month is perfect for exploring, with the driest conditions of the year. You can expect rain on around 0 days based on historical patterns, with 0.1 mm (0 in) average for the month.
Temperature in Healdsburg in August
Weather in Healdsburg is at its perfect in August. Highs reach 29°C (84°F), while nights settle around 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Healdsburg in August
Expect sunny days throughout the month, with an estimated 290 hours of sunshine. This makes it a pleasant time to visit Healdsburg.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Healdsburg.
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 August
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Healdsburg typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are cool, with lows around 12°C (54°F).
Average temperatures in August
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Healdsburg in August
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 August
Based on 28 years of weather observations (1997-2025), these are the most extreme conditions recorded in Healdsburg.
- The hottest August day on record in Healdsburg reached 42°C (108°F) (August 24, 2010).
- On August 29, 2000, Healdsburg saw its coldest August day with temperatures maxing out at 17°C (63°F).
- The coldest night in August in Healdsburg was on August 30, 2010, with a minimum of 7°C (45°F).
Best Places in the United States of America in August
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 August →
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What to Wear in Healdsburg in August
Warm but pleasant conditions in Healdsburg in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Healdsburg in August
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.