July Weather in Healdsburg, United States

Last updated: February 24, 2025

In Healdsburg, United States, July weather presents a vibrant tapestry of summer warmth, with maximum temperatures reaching up to 38°C (101°F). The average temperature settles comfortably at 22°C (71°F), while the nights bring a cooler relief with minimums dipping to 11°C (53°F). Notably, this month boasts a dry climate, marked by 0 mm of precipitation and no rainy days, leading to a humidity level of 70% that adds a touch of warmth to the sunny days. Whether basking in the sun or enjoying pleasant evenings, July in Healdsburg epitomizes the essence of a quintessential summer getaway.

July Temperature in Healdsburg

In Healdsburg during the month of July, temperatures continue the trend of summer warmth, registering a minimum of 11°C (53°F) and peaking at a sizzling 38°C (101°F). The average temperature settles comfortably at 22°C (71°F), making it a perfect time for outdoor activities and enjoying the region's renowned vineyards. This pattern reflects a gradual increase from the milder temperatures of earlier months, with July standing out as one of the hottest periods of the year. As the summer sun bathes the landscape, visitors can expect long, sunny days that invite exploration and relaxation amidst the area's natural beauty.

July Weather in Healdsburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Healdsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec485052576269717169635348
Data source: Temperature data for Healdsburg generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Healdsburg

In Healdsburg, July marks a striking shift in the precipitation trend, as the area experiences zero rainfall for the entire month. This dry spell continues a pattern observed from June through August, with the preceding months showing a gradual decline in precipitation. January through March witness significant rainfall, with January leading at 139 mm and a consistent number of rainy days, while April and May see a marked decrease. The transition to an arid summer underscores the region's Mediterranean climate, characterized by hot, dry summers following wetter winter months. With no recorded precipitation in July, the dry conditions exemplify the seasonal variability that defines Healdsburg's weather patterns.

July Precipitation Trends in Healdsburg

The chart displays monthly precipitation patterns in Healdsburg, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec13915597452820024158101
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Healdsburg

As July arrives in Healdsburg, the humidity drops to a comfortable 70%, marking a noticeable decline from the higher levels of the earlier months. This month typically feels less muggy compared to the winter and spring months, where humidity was at a peak of 86% in January and hovered in the 80s through April and May. As summer progresses, humidity continues to decrease, reaching its lowest point in August at 66%. This trend reflects a shift towards drier conditions, making July an ideal time for outdoor activities, setting the stage for a vibrant and enjoyable summer in this charming Californian town.

July Average Humidity in Healdsburg

This chart illustrates the average monthly humidity levels in Healdsburg, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Healdsburg

In July, Healdsburg experiences a peak UV Index of 11, categorized as extreme, which signifies a significant risk of harm from unprotected sun exposure. With a rapid burn time of only 10 minutes, it's crucial for locals and visitors alike to take proper precautions. This month follows a distinct upward trend from earlier in the year; starting with a moderate index of 3 in January, the UV levels consistently escalate, reaching noteworthy heights in the summer months. As one of the hottest months, July maintains its high UV levels alongside June, where the index also peaked at 11. As such, respecting the intensity of the sun in July becomes vital for enjoying outdoor activities safely. For detailed UV index forecasts, visit Healdsburg UV Index.

Maximum UV Index Levels in Healdsburg for July

The chart shows the monthly maximum UV Index (UVI) for Healdsburg in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Healdsburg July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

July Sunshine in Healdsburg

In Healdsburg, July shines as the pinnacle of sunshine, boasting an impressive 390 hours of bright, warm days. This peak represents a delightful crescendo in the year, following an upward trend that begins in January with only 141 hours. The gradual increase throughout the spring months signals a shift towards summer, with each month building anticipation as June wraps up with 382 hours. The sun's embrace continues to linger into August, albeit with a slight decline to 349 hours, suggesting a gentle transition towards the softer warmth of autumn. This seasonal rhythm highlights Healdsburg’s charm, where summer days are celebrated with abundant sunshine, ideal for enjoying the vineyards and outdoor activities.

Monthly Sunshine Duration in Healdsburg: July Highlighted

The July sunshine duration represents the total number of hours Healdsburg experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec141h211h261h298h356h382h390h349h312h278h219h185h
Data source: Healdsburg July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Healdsburg During July

July in Healdsburg, United States, boasts a sunshine probability of 83%, making it one of the sunniest months of the year. Following a trend of increasing sunshine from the cooler winter months, the likelihood of clear skies rises significantly from January's modest 37% to a delightful 85% in May. This upward trajectory maintains its strength into the summer, with only a slight dip in August, which remains equally charming at 84%. As the sun-drenched days of July roll in, residents and visitors alike can look forward to indulging in outdoor activities and enjoying the warm, vibrant atmosphere that characterizes this enchanting month.

Percentage of Sunny Days in July in Healdsburg

The chart illustrates the percentage of sunny days in Healdsburg throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Healdsburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%57%63%72%85%84%83%84%76%52%48%35%
Data source: Healdsburg July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Healdsburg in July

In July, Healdsburg basks in a generous 14 hours of daylight, maintaining the same sun-soaked duration as in June. This peak of daylight illuminates long summer days, allowing for an abundance of outdoor activities and adventures. As the year unfolds, a gradual decline is evident; following July, daylight diminishes to 13 hours in August before continuing its descent through the fall months. This pattern highlights a significant seasonal transition, with daylight hours waning as we move from the peak summer warmth into the cooler autumn days, beautifully illustrating the rhythm of the seasons in this picturesque part of California.

Average Daylight Hours in Healdsburg for July

The chart illustrates the variation in daylight duration in Healdsburg throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 48m10h 45m11h 59m13h 14m14h 17m14h 48m14h 31m13h 34m12h 22m11h 8m10h 2m9h 30m
Data source: Healdsburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Healdsburg

In Healdsburg, July brings a gentle breeze, with an average wind speed of 1.9 m/s (4 mph), a continuation of the calm and soothing winds experienced throughout the summer months. This slight dip follows a modest peak in May at 2.9 m/s (6 mph), suggesting that the winds tend to settle as the summer progresses. Interestingly, July’s wind speed mirrors that of both August and September, indicating a consistent, serene atmosphere ideal for outdoor pursuits. While the winds remain light, they complement the picturesque landscapes, inviting residents and visitors alike to enjoy the warm, sun-soaked days with a refreshing touch. As the year winds down, a gradual increase in wind speed is noted heading into the autumn months, hinting at a subtle shift in the seasonal breeze.

Average July Wind Speed in Healdsburg

The chart displays monthly wind speed patterns in Healdsburg, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.32.32.32.92.61.9 m/s1.91.92.11.52.0
Data source: Healdsburg July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Healdsburg Compares to Other Months

The weather in Healdsburg changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Healdsburg and find detailed weather information for every month.

In Healdsburg, July is characterized by warm and dry conditions, with temperatures ranging from a cool 11°C (53°F) at night to a scorching maximum of 38°C (101°F) during the day. The humidity sits at a comfortable 70%, and rainfall is practically nonexistent, making it an ideal time for outdoor activities. In stark contrast, January brings much cooler temperatures, with a minimum of -2°C (28°F) and an average of 9°C (49°F). This month experiences significant rainfall, totaling 139 mm (5.5 in) over about eight days, coupled with higher humidity levels of 86%. The notable difference in weather between these two months highlights the seasonal variability in Healdsburg. For more details, visit Healdsburg weather in January.

The weather in July and February presents a stark contrast. July features warm temperatures with a minimum of 11°C (53°F) and an average of 22°C (71°F), peaking at a scorching 38°C (101°F). This month is characterized by dry conditions, recording no precipitation and a moderate humidity of 70%. In contrast, February experiences much cooler temperatures with a minimum of -4°C (26°F) and an average of 10°C (50°F), while reaching a maximum of 26°C (80°F). February also brings considerable rainfall, totaling 155 mm (6.1 in) over eight days, accompanied by higher humidity levels at 84%. For more detailed insights, you can check out Healdsburg weather in February.

In July, Healdsburg experiences warm weather with temperatures ranging from a low of 11°C (53°F) to a high of 38°C (101°F), averaging around 22°C (71°F). The dry conditions are notable, as there is no recorded precipitation and humidity levels hover around 70%. In stark contrast, March brings cooler temperatures, with lows dipping to -1°C (30°F) and highs reaching 28°C (83°F), averaging 11°C (52°F). This month also sees considerable rainfall, with 97 mm (3.8 in) of precipitation spread over 11 days, and a higher humidity of 83%. For more detailed insights, check out Healdsburg weather in March.

When comparing the weather in July and April, notable differences emerge. July typically features much warmer temperatures, with a minimum of 11°C (53°F), an average of 22°C (71°F), and a maximum that can reach up to 38°C (101°F). In stark contrast, April has cooler temperatures, registering a minimum of 3°C (37°F), an average of 14°C (57°F), and a maximum of 31°C (89°F). Additionally, July experiences no precipitation and a humidity level of 70%, while April sees about 45 mm (1.8 in) of rain spread over 5 days, accompanied by a higher humidity of 80%. For a more detailed look at April weather, visit Healdsburg weather in April.

In comparing the weather between May and July, it's clear that July is significantly warmer, boasting an average temperature of 22°C (71°F) compared to May's average of 17°C (62°F). July experiences a wider temperature range, with maximums soaring up to 38°C (101°F), while May’s peak reaches 35°C (96°F). Additionally, July offers a dry climate with no recorded precipitation, whereas May sees about 27 mm (1.1 in) of rainfall over three days, and humidity levels are slightly higher in May at 80% compared to July's 70%. For more specific details on May's weather, you can check Healdsburg weather in May.

In comparing the weather of July and June, July generally exhibits slightly warmer temperatures, with an average of 22°C (71°F) compared to June's 21°C (69°F). However, June can reach a higher maximum temperature of 40°C (105°F), while July peaks at 38°C (101°F). Both months experience little to no precipitation, with July recording 0 mm and June recording a minimal 2 mm over 0 days. Humidity levels are also fairly consistent, with July at 70% and June slightly higher at 76%. For a deeper insight into June's weather specifics, you can check the following link: Healdsburg weather in June.

In comparing the weather of July and August, both months experience similar high temperatures, reaching up to 38°C (101°F). However, July generally has a slightly warmer average temperature of 22°C (71°F), while August sees a minor dip to 21°C (71°F). Precipitation remains nonexistent in both months, with 0 mm reported and no rainy days. Humidity levels are also comparable, but July is slightly more humid at 70%, compared to August's 66%. For a detailed look at August's weather, you can check out Healdsburg weather in August.

In July, the weather in Healdsburg is characterized by warm temperatures, with minimums around 11°C (53°F) and average highs reaching up to 38°C (101°F), while enjoying completely dry conditions with 0 mm of precipitation. Humidity levels are moderate at 70%, contributing to a warm and occasionally muggy atmosphere. In contrast, September experiences slightly cooler temperatures, with a minimum of 7°C (45°F) and an average of 20°C (69°F). Although it remains relatively warm, September can see maximum temperatures soaring to 41°C (105°F). There is minimal precipitation at 2 mm, with no rainy days, and humidity levels drop slightly to 68%. For more detailed insights, you can check the Healdsburg weather in September.

In July, the weather is typically much warmer, with average temperatures around 22°C (71°F) and highs reaching up to 38°C (101°F). The month is characterized by dry conditions, with no reported precipitation and humidity levels at 70%. In contrast, October brings cooler temperatures, featuring a lower average of 17°C (63°F) and nighttime lows dropping to 3°C (38°F). This month sees an increase in precipitation, averaging 41 mm (1.6 in) over two days, while humidity remains relatively stable at 72%. For more details, check out Healdsburg weather in October.

In comparing the weather between July and November, it’s evident that the two months present stark contrasts. July typically enjoys warm temperatures, with a minimum of 11°C (53°F) and a maximum reaching up to 38°C (101°F), alongside total dryness and moderate humidity at 70%. In contrast, November experiences much cooler temperatures, with lows dipping to -1°C (30°F) and highs of 28°C (83°F), as well as a significant amount of rainfall totaling 58 mm (2.3 in) over about five days, and higher humidity at 84%. This shift highlights the transition from summer warmth to a cooler, wetter autumn climate in Healdsburg. For more details about November weather, check out Healdsburg weather in November.

July and December present quite contrasting weather conditions. In July, temperatures range from a minimum of 11°C (53°F) to a maximum of 38°C (101°F), with an average of 22°C (71°F). The month is characterized by dry conditions, with no recorded precipitation and humidity at 70%. In stark contrast, December temperatures drop significantly, with a minimum of -2°C (29°F) and an average of 9°C (48°F), peaking at 23°C (73°F). Notably, December is much wetter, featuring 101 mm (4.0 in) of precipitation over 8 days and a higher humidity level of 84%. For more detailed insights into the December climate, visit Healdsburg weather in December.

Compare Healdsburg's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Healdsburg

In July, Healdsburg shines with its warmth and sunshine, making it a standout month in the annual climate cycle. With maximum temperatures soaring to a sizzling 38°C (101°F) and an average hovering around a comfortable 22°C (71°F), it's a time to bask in the heat without the worry of rain, as precipitation is nonexistent. The dry conditions paired with a notable humidity of 70% allow for vibrant outdoor activities and grape-growing, setting the stage for the region’s renowned wine production. This ideal summer weather truly distinguishes July from the cooler, wetter months that precede and follow it. For more details about the year-round climate, visit Healdsburg Climate.