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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
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 refreshing winter month in Healdsburg, California, with an average temperature ranging between min 41.2°F (5.1°C) and max 57°F (13.9°C). The advent of January sees the average high-temperature at a refreshing 57°F (13.9°C), subtly shifted from December's 55°F (12.8°C). Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in Healdsburg, California, with an average temperature varying between 58.6°F (14.8°C) and 40.6°F (4.8°C). At the onset of February, Healdsburg records an average high-temperature of a still moderate 58.6°F (14.8°C), showing little deviation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in Healdsburg, California, with an average temperature fluctuating between 60.4°F (15.8°C) and 41.2°F (5.1°C). The advent of March signifies a minor shift to an average high-temperature of a still refreshing 60.4°F (15.8°C), aligning closely with February. Weather in March »
Weather in April
April in Healdsburg, California, is a refreshing spring month, with an average temperature varying between 66°F (18.9°C) and 43.5°F (6.4°C). As April arrives, Healdsburg's weather shows a minor increase in high-temperatures, edging from March's 60.4°F (15.8°C) to a still refreshing 66°F (18.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Healdsburg, California, with an average temperature varying between 71.4°F (21.9°C) and 47.3°F (8.5°C). The onset of May introduces a subtle rise in the average high-temperature, nudging from a refreshing 66°F (18.9°C) in April to a pleasant 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 an average temperature fluctuating between 79.9°F (26.6°C) and 52.9°F (11.6°C). A slight uplift in the average high-temperature marks June, adjusting from May's pleasant 71.4°F (21.9°C) to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Healdsburg, California, is another warm summer month, with an average temperature varying between 54.7°F (12.6°C) and 84.7°F (29.3°C). July, marked by an average high-temperature of 84.7°F (29.3°C) and a low-temperature of 54.7°F (12.6°C), is the warmest month. In July, the average heat index is appraised at a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Healdsburg, California, with an average temperature ranging between max 84.6°F (29.2°C) and min 55°F (12.8°C). Stepping into August, Healdsburg records an average high-temperature of a still warm 84.6°F (29.2°C), almost consistent with July. Weather in August »
Weather in September
September, the first month of the autumn in Healdsburg, is still a warm month, 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). September's advent presents an average high-temperature of a still moderately hot 82.6°F (28.1°C), indicating a slight variation from the conditions of the previous month. Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Healdsburg, California, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 73.8°F (23.2°C). With the onset of October, Healdsburg's climate undergoes a slight change as the average high-temperature moves from 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 an average temperature varying between 44.2°F (6.8°C) and 63.5°F (17.5°C). Welcoming November, Healdsburg observes a shift in the average high-temperature, falling from October's warm 73.8°F (23.2°C) to an enjoyable 63.5°F (17.5°C). Weather in November »
Weather in December
December, the first month of the winter in Healdsburg, is still a cool month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 40.1°F (4.5°C). In Healdsburg, the month of December registers the lowest temperatures, averaging 55°F (12.8°C) at the peak and 40.1°F (4.5°C) at the lowest. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Healdsburg?
Throughout the year, in Healdsburg, California, there are 81.2 rainfall days, and 19.84" (504mm) of precipitation is accumulated.
When it does not snow in Healdsburg?
In Healdsburg, California, snow does not fall in January, March through December.
How much does it snow in Healdsburg?
In Healdsburg, during the entire year, snow aggregates up to 0.04" (1mm).
What is the month with the lowest UV index in Healdsburg?
The months with the lowest UV index in Healdsburg, California, are January, February, November and December, with an average maximum UV index of 3.
What is the rainiest month in Healdsburg?
The month with the most rainfall in Healdsburg 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 in Healdsburg is February.
When does it snow the most in Healdsburg?
The month with the most snowfall in Healdsburg, California, is February, when snow falls for 0.1 days and typically aggregates up to 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 in Healdsburg, California.
When is Daylight Saving Time (DST) in Healdsburg?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Healdsburg, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When are the longest days in Healdsburg?
June has the longest days of the year in Healdsburg, with an average of 14h and 48min of daylight.
What is the month with the highest UV index in Healdsburg?
The months with the highest UV index in Healdsburg are June through August, with an average maximum UV index of 6.
What time of the year is the hottest in Healdsburg?
Healdsburg's warmest weather arrives in July, when temperatures average a high of 84.7°F (29.3°C) and a low of 54.7°F (12.6°C).
What is the driest month in Healdsburg?
The months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.
What month has the most sunshine in Healdsburg?
July has the most sunshine of the year, with an average of 12h of sunshine.
What is the least humid month in Healdsburg?
The least humid month in Healdsburg, California, is September, with an average relative humidity of 57%.
What month is the coldest in Healdsburg?
Healdsburg notes the coldest temperatures in December, with a average high of 55°F (12.8°C) and a low of 40.1°F (4.5°C).
What is the month with the shortest days in Healdsburg?
The month with the shortest days in Healdsburg, California, is December, with an average of 9h and 30min of daylight.
What is the month with the least sunshine in Healdsburg?
The month with the least sunshine in Healdsburg, California, is December, with an average of 5.6h of sunshine.
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).
Average pressure
Healdsburg, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Healdsburg, CA
- Average wind speed in January:
4.7mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6.2mph - Average wind speed in May:
6.2mph - Average wind speed in June:
6mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.7mph
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).
Average humidity
Healdsburg, CA
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (57%).
Average rainfall
Healdsburg, CA
- Average rainfall in January:
3.5" - Average rainfall in February:
4.33" - Average rainfall in March:
3.31" - Average rainfall in April:
1.06" - Average rainfall in May:
0.98" - Average rainfall in June:
0.16"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
1.06" - Average rainfall in November:
1.81" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is February (4.33").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Healdsburg, CA
- Average rainfall days in January:
10.7 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
9.2 days - Average rainfall days in May:
6.2 days - Average rainfall days in June:
2.3 days
- Average rainfall days in July:
1 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
2.2 days - Average rainfall days in October:
5.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
11.5 days
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).
Average snowfall
Healdsburg, CA
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Healdsburg, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Healdsburg, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 2min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 0min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 3min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Healdsburg, CA
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
17 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
19.4 days - Average sunshine days in May:
23.4 days - Average sunshine days in June:
27 days
- Average sunshine days in July:
29.8 days - Average sunshine days in August:
29.4 days - Average sunshine days in September:
27 days - Average sunshine days in October:
24.6 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index
Healdsburg, CA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Healdsburg, CA
The month with the most cloud cover is March (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility
Healdsburg, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Healdsburg, California, USA
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