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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.

Select a Month

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

Min TemperatureMin Temperature 9°C (48°F)  
Max TemperatureMax Temperature 25°C (77°F)  
Chance of RainChance of Rain 11%  
PrecipitationPrecipitation 24 mm (0.9 in)  
Rainy daysRainy days 3 days  
SunshineSunshine 310 hours  
Percentage SunshinePercentage Sunshine 76%  

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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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

Swimming
10/10
Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
5/10
Outdoor sports
10/10

Select a Month

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.

More climate data for Healdsburg