Healdsburg Weather in May
Healdsburg in May averages 25°C (77°F) during the day and 9°C (48°F) at night. Some rainfall is typical for this time of year.
Rainfall in Healdsburg in May
Climate statistics over the past 30 years suggest around 3 days of rain, with 24 mm (0.9 in) average for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Healdsburg in May
May is a perfect month in Healdsburg, with 25°C (77°F) during the day and 9°C (48°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Healdsburg in May
The month enjoys around 310 hours of sunshine, creating mostly sunny days with good weather conditions.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, August, September and October typically offer the best circumstances for 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 May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Healdsburg typically stay consistent throughout May, with daily highs averaging around 25°C (77°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 10°C (50°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Healdsburg in May
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 May
Based on weather observations in Healdsburg between 1999 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 15, 2008, with a maximum of 38°C (100°F).
- The coldest May day was on May 18, 2019, with a maximum of 11°C (52°F).
- Healdsburg registered its coldest May night on May 10, 2022, with temperatures dropping to 1°C (34°F).
Best Places in the United States of America in May
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 May →
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What to Wear in Healdsburg in May
For Healdsburg in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Healdsburg in May
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.