Monthly weather forecast and climate
Healdsburg, CA

Neat rows of plants in a farm with a view of a red farmhouse up the hill in Healdsburg, California
Neat rows of plants in a farm with a view of a red farmhouse up the hill in Healdsburg, California

Weather in January

January is a mild winter month in Healdsburg, California, with average temperature fluctuating between 41.2°F (5.1°C) and 57°F (13.9°C). In Healdsburg, the average high-temperature is relatively the same as in December - a mild 57°F (13.9°C). Weather in January »

Weather in February

February, the last month of the winter, in Healdsburg, is also a moderate month, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 40.6°F (4.8°C). In Healdsburg, California, the average high-temperature is essentially the same as in January - a still moderate 58.6°F (14.8°C). Weather in February »

Weather in March

The first month of the spring, March, is still a mild month in Healdsburg, California, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 41.2°F (5.1°C). In March, the average high-temperature is almost the same as in February - a still moderate 60.4°F (15.8°C). Weather in March »

Weather in April

April in Healdsburg, California, is a comfortable spring month, with average temperature varying between 66°F (18.9°C) and 43.5°F (6.4°C). In April, the average high-temperature slightly increases, from a mild 60.4°F (15.8°C) in March, to a comfortable 66°F (18.9°C). Weather in April »

Weather in May

May, the last month of the spring, in Healdsburg, is a pleasant month, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 47.3°F (8.5°C). In Healdsburg, the average high-temperature slightly increases, from an enjoyable 66°F (18.9°C) in April, to an agreeable 71.4°F (21.9°C). Weather in May »

Weather in June

June, the first month of the summer, in Healdsburg, is a moderately hot month, with average temperature ranging between max 79.9°F (26.6°C) and min 52.9°F (11.6°C). In Healdsburg, the average high-temperature in June marginally rises, from a pleasant 71.4°F (21.9°C) in May, to a moderately hot 79.9°F (26.6°C). Weather in June »

Weather in July

July, like June, in Healdsburg, California, is another warm summer month, with average temperature ranging between max 84.7°F (29.3°C) and min 54.7°F (12.6°C). July is the warmest month, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 54.7°F (12.6°C). In July, the average heat index is appraised at a tropical 88.2°F (31.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Healdsburg, California, with average temperature fluctuating between 84.6°F (29.2°C) and 55°F (12.8°C). In Healdsburg, the average high-temperature is almost the same as in July - a still warm 84.6°F (29.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Healdsburg, California, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 53.6°F (12°C). In Healdsburg, the average high-temperature is almost the same as in August - a still warm 82.6°F (28.1°C). Weather in September »

Weather in October

October, like September, in Healdsburg, California, is a moderately hot autumn month, with average temperature varying between 73.8°F (23.2°C) and 50.4°F (10.2°C). In October, the average high-temperature slightly decreases, from a moderately hot 82.6°F (28.1°C) in September, to a still warm 73.8°F (23.2°C). Weather in October »

Weather in November

November, the last month of the autumn, in Healdsburg, is also an enjoyable month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 63.5°F (17.5°C). In Healdsburg, the average high-temperature decreases, from a warm 73.8°F (23.2°C) in October, to a comfortable 63.5°F (17.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Healdsburg, is also a fresh month, with average temperature ranging between max 55°F (12.8°C) and min 40.1°F (4.5°C). With an average high-temperature of 55°F (12.8°C) and an average low-temperature of 40.1°F (4.5°C), December is the coldest month. Weather in December »
[Resources]

FAQ

How much does it rain in Healdsburg?

In Healdsburg, California, during the entire year, the rain falls for 81.2 days and collects up to 19.84" (504mm) of precipitation.

How much does it snow in Healdsburg?

Throughout the year, 0.04" (1mm) of snow is accumulated.

When it does not snow in Healdsburg?

In Healdsburg, California, snow does not fall in January, March through December.

What is the month with the lowest UV index in Healdsburg?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the rainiest month in Healdsburg?

The month with the most rainfall is February when the rain falls for 9.5 days and typically aggregates up to 4.33" (110mm) of precipitation.

When does it snow in Healdsburg?

The only month with snowfall is February.

When does it snow the most in Healdsburg?

February is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

What is the most humid month in Healdsburg?

With an average relative humidity of 76%, March is the most humid month.

When are the longest days in Healdsburg?

The month with the longest days is June, with an average of 14.8h of daylight.

What are the months with the highest UV index in Healdsburg?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Healdsburg, California.

What is the warmest month in Healdsburg?

The warmest month in Healdsburg, California, is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 54.7°F (12.6°C).

What is the driest month in Healdsburg?

July and August are months with the least rain when the rain falls for 1 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Healdsburg?

The month with the most sunshine in Healdsburg is July, with an average of 12h of sunshine.

What is the least humid month in Healdsburg?

September is the least humid month in Healdsburg, with an average relative humidity of 57%.

What is the coldest month in Healdsburg?

With an average high-temperature of 55°F (12.8°C) and an average low-temperature of 40.1°F (4.5°C), December is the coldest month.

What is the month with the shortest days in Healdsburg?

The month with the shortest days is December, with an average of 9.5h of daylight.

What is the month with the least sunshine in Healdsburg?

With an average of 5.6h of sunshine, December has the least sunshine of the year in Healdsburg.

Average temperature
Healdsburg, CA

Average temperature - Healdsburg, CA

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (55°F).

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

[Resources]

Average pressure
Healdsburg, CA

Average pressure - Healdsburg, CA

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

[Resources]

Average wind speed
Healdsburg, CA

Average wind speed - Healdsburg, CA

The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

[Resources]

Average rainfall
Healdsburg, CA

Average rainfall - Healdsburg, CA

The wettest month (with the highest rainfall) is February (4.33").
The driest months (with the least rainfall) are July and August (0.04").

[Resources]

Average rainfall days
Healdsburg, CA

Average rainfall days - Healdsburg, CA

The month with the highest number of rainy days is March (14.2 days).
The month with the least rainy days is August (0.8 days).

[Resources]

Average snowfall
Healdsburg, CA

Average snowfall - Healdsburg, CA

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days
Healdsburg, CA

Average snowfall days - Healdsburg, CA

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

[Resources]

Average daylight / Average sunshine
Healdsburg, CA

Average daylight / Average sunshine - Healdsburg, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.6h).

[Resources]

Average sunshine days
Healdsburg, CA

Average sunshine days - Healdsburg, CA

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).

[Resources]

Average UV index
Healdsburg, CA

Average UV index - Healdsburg, CA

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average visibility
Healdsburg, CA

Average visibility - Healdsburg, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]