July 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 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).

Temperature

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).

Heat index

In July, the average heat index is appraised at a tropical 88.2°F (31.2°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, pregnancy, wind, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In July, the average relative humidity is 58%.

Rainfall

Months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.

Snowfall

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

Daylight

The average length of the day is 14.5h.

Sunshine

July has the most sunshine of the year, with an average of 12h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Healdsburg?

The warmest month 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 temperature in July in Healdsburg?

In July, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 54.7°F (12.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that calculates temperature value influenced by the moisture in the air, in July is evaluated at 88.2°F (31.2°C).

What is the average humidity in July in Healdsburg?

The average relative humidity in July is 58%.

How many days does it rain in July in Healdsburg?

In Healdsburg, in July, during 1 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

What is the driest month in Healdsburg?

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

When it does not snow in Healdsburg?

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

What is the average length of the day in July in Healdsburg?

In Healdsburg, California, the average length of the day in July is 14.5h.

What month has the most sunshine in Healdsburg?

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

How many hours of sunshine does Healdsburg have in July?

The average sunshine in July in Healdsburg, California, is 12h.

What is the month 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 UV index intensity in July in Healdsburg?

The average daily maximum UV index in July in Healdsburg is 6. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in July
Healdsburg, CA

Average temperature in July - Healdsburg, CA
  • Average high temperature in July: 84.7°F

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).

  • Average low temperature in July: 54.7°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).

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Average pressure in July
Healdsburg, CA

Average pressure in July - Healdsburg, CA
  • Average pressure in July: 29.93"

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

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Average wind speed in July
Healdsburg, CA

Average wind speed in July - Healdsburg, CA
  • Average wind speed in July: 5mph

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).

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Average humidity in July
Healdsburg, CA

Average humidity in July - Healdsburg, CA
  • Average humidity in July: 58%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (57%).

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Average rainfall in July
Healdsburg, CA

Average rainfall in July - Healdsburg, CA
  • Average rainfall in July: 0.04"

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

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Average rainfall days in July
Healdsburg, CA

Average rainfall days in July - Healdsburg, CA
  • Average rainfall days in July: 1 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).

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Average snowfall in July
Healdsburg, CA

Average snowfall in July - Healdsburg, CA
  • Average snowfall in July: 0"

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").

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Average snowfall days in July
Healdsburg, CA

Average snowfall days in July - Healdsburg, CA
  • Average snowfall days in July: 0 days

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).

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Average daylight in July /
Average sunshine in July
Healdsburg, CA

Average daylight in July / Average sunshine in July - Healdsburg, CA
  • Average daylight in July: 14.5h

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

  • Average sunshine in July: 12h

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

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Average sunshine days in July
Healdsburg, CA

Average sunshine days in July - Healdsburg, CA
  • Average sunshine days in July: 29.8 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).

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Average UV index in July
Healdsburg, CA

Average UV index in July - Healdsburg, CA
  • Average UV index in July: 6

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).

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Average cloud cover in July
Healdsburg, CA

Average cloud cover in July - Healdsburg, CA
  • Average cloud cover in July: 6

The month with the most cloud cover is March (Cloud cover 41).
Months with the least cloud cover are July and August (Cloud cover 6).

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Average visibility in July
Healdsburg, CA

Average visibility in July - Healdsburg, CA
  • Average visibility in July: 6mi

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).

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