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Climate · United States

Healdsburg

Hot and dry from June to September; mild and damp from December to March.

Typical weather, averaged over 30 years38.6°N90 m above the sea
  1. Jan60°16°41°5°Rain on about three days a week.
  2. Feb63°17°42°6°Rain on about two days a week.
  3. Mar65°18°43°6°Rain on about two days a week.
  4. Apr70°21°46°8°Rain on about two days a week.
  5. May77°25°51°11°Rain on about one day a week.
  6. Jun85°29°56°13°Rain on fewer than one day a week.
  7. Jul89°32°59°15°Rain on fewer than one day a week.
  8. Aug89°32°59°15°Rain on fewer than one day a week.
  9. Sep87°31°58°14°Rain on fewer than one day a week.
  10. Oct80°27°54°12°Rain on about one day a week.
  11. Nov68°20°47°8°Rain on about two days a week.
  12. Dec60°16°42°6°Rain on about three days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The warm season runs from June to September, with highs near 87°F and nights near 58°F. From December to March, highs are nearer 62°F. The rain comes from November to April, on about two days a week. June to October is the driest stretch, with rain on fewer than one day a week. Daylight runs from about 9½ hours in December to 15 hours in June.The warm season runs from June to September, with highs near 31°C and nights near 14°C. From December to March, highs are nearer 17°C. The rain comes from November to April, on about two days a week. June to October is the driest stretch, with rain on fewer than one day a week. Daylight runs from about 9½ hours in December to 15 hours in June.

Where Healdsburg sits

America/Los Angeles
this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
38.6°Nnorthern hemisphere
Above the sea
90 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
7:28 AM7:04 AM7:25 AM6:37 AM6:00 AM5:46 AM5:58 AM6:25 AM6:52 AM7:19 AM6:53 AM7:22 AMsets 5:12 PMsets 5:48 PMsets 7:18 PMsets 7:47 PMsets 8:15 PMsets 8:37 PMsets 8:36 PMsets 8:08 PMsets 7:22 PMsets 6:35 PMsets 5:00 PMsets 4:51 PM
Nearest of ours
Jenner36 km west

The land around Healdsburg, shaded by its typical high in January, the planning map's own layer.The land around Healdsburg, shaded by its typical high in February, the planning map's own layer.The land around Healdsburg, shaded by its typical high in March, the planning map's own layer.The land around Healdsburg, shaded by its typical high in April, the planning map's own layer.The land around Healdsburg, shaded by its typical high in May, the planning map's own layer.The land around Healdsburg, shaded by its typical high in June, the planning map's own layer.The land around Healdsburg, shaded by its typical high in July, the planning map's own layer.The land around Healdsburg, shaded by its typical high in August, the planning map's own layer.The land around Healdsburg, shaded by its typical high in September, the planning map's own layer.The land around Healdsburg, shaded by its typical high in October, the planning map's own layer.The land around Healdsburg, shaded by its typical high in November, the planning map's own layer.The land around Healdsburg, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 60°F in December and January to 89°F in July and August.Highs from 16°C in December and January to 32°C in July and August.

Chance of a wet day

Wettest in January (37% of days), driest in July and August (0%).

Cloud cover

Clearest in July and August (12% cover), cloudiest in January (63%).

Daylight

From 9h 31m in December to 14h 49m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C
Healdsburg, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryWetter
41°5°60°16°
3 days63%9h 48m
FebruaryWetter
42°6°63°17°
2 days58%10h 41m
MarchWetter
43°6°65°18°
2 days55%11h 53m
AprilWetter
46°8°70°21°
2 days47%13h 10m
MayAt its best
51°11°77°25°
1 day38%14h 16m
JuneWarm season
56°13°85°29°
no days26%14h 49m
JulyWarm season
59°15°89°32°
no days12%14h 33m
AugustWarm season
59°15°89°32°
no days12%13h 36m
SeptemberWarm season
58°14°87°31°
no days17%12h 21m
OctoberAt its best
54°12°80°27°
1 day28%11h 05m
NovemberWetter
47°8°68°20°
2 days48%10h 01m
DecemberWetter
42°6°60°16°
3 days60%9h 31m

When is the best time to visit Healdsburg?

The best months are May, or October: highs near 79°F, nights near 52°F, and rain on about one day a week.The best months are May, or October: highs near 26°C, nights near 11°C, and rain on about one day a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions

What is the warmest month in Healdsburg?

July and August, with highs near 89°F and lows near 59°F. The coolest are December and January, with highs near 60°F.July and August, with highs near 32°C and lows near 15°C. The coolest are December and January, with highs near 16°C.

When does it rain most in Healdsburg?

January, with rain on about three days a week. July and August are the driest, with rain on fewer than one day a week.

How long are the days in Healdsburg?

From about 9½ hours in December to 15 hours in June.

When are the skies clearest in Healdsburg?

July and August, when cloud covers about 12% of the sky on average. January is the cloudiest, at about 63%.

Places with a year like Healdsburg's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Healdsburg's through the year, one place a country. “Six months apart”: their winter is Healdsburg's summer.

Elsewhere in United States

All of United States

Where to stay

1 in our collection
Open the planning map

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Healdsburg. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.