April Weather in Healdsburg, United States

Last updated: February 24, 2025

In Healdsburg, United States, April offers a delightful mix of mild temperatures and occasional rain. With maximum highs reaching 31°C (89°F) and an average of 14°C (57°F), the weather invites both outdoor enthusiasts and those seeking cozy moments indoors. The month experiences a minimum temperature dip to 3°C (37°F), ensuring brisk mornings and cool evenings. With about 45 mm (1.8 in) of precipitation over 5 days, humidity levels rise to a comfortable 80%, fostering a lush, vibrant landscape. This captivating blend of climate not only enhances the charm of the region but also sets the stage for a truly enjoyable April.

April Temperature in Healdsburg

In April, Healdsburg experiences a delightful transition into spring, marked by milder temperatures that evoke a sense of renewal. The minimum temperature settles at 3°C (37°F), offering a gentle warmth compared to the chill of earlier months. As the month progresses, the average rises to 14°C (57°F), inviting outdoor activities amidst blossoming landscapes. The maximum temperature can reach a pleasant 31°C (89°F), making it the perfect time for locals and visitors to enjoy the vibrant wineries and picturesque surroundings. This upward trend in temperatures from the colder winter months sets the stage for the summer heat to follow, encapsulating the charm of Healdsburg in full bloom.

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

The chart illustrates April 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.

April Precipitation in Healdsburg

April in Healdsburg marks a significant transition in precipitation patterns, with only 45 mm (1.8 in) of rain falling over just 5 days. This decrease is notably stark compared to the earlier months, where January and February each saw over 139 mm (5.5 in) and 155 mm (6.1 in) respectively, indicating a gradual tapering off as spring settles in. After a wet winter, the dwindling rainfall in April leads the way to the dry summer months ahead, with precipitation plummeting even further in May and June. This trend highlights Healdsburg's Mediterranean climate, characterized by wet winters and markedly dry summers, making April a pivotal month in the seasonal shift towards hotter, drier weather.

April Precipitation Trends in Healdsburg

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

As spring unfolds in Healdsburg, April brings a notable drop in humidity to 80%, marking a gradual decline from the more humid winter months of January and February, which hovered around 86% and 84% respectively. This reduction aligns with the consistent trend of decreasing humidity levels leading into the summer, as May echoes April's 80% before dipping further in June to 76%. Overall, April serves as a pivotal transition, preparing residents and visitors alike for the crisper, drier air that characterizes the impending warmer months, making it an ideal time to enjoy outdoor activities amidst the blooming vineyards.

April Average Humidity in Healdsburg

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

April UV Index in Healdsburg

In April, Healdsburg experiences a notable leap in UV exposure, with the UV Index soaring to 9, placing it in the very high category. This marks a significant rise from March's index of 7 and indicates a shorter burn time of just 15 minutes for unprotected skin. As spring progresses, the trend illustrates a sharp increase in sunlight intensity, foreshadowing even higher levels in May. With each passing month, residents and visitors alike should remain vigilant about sun safety, as the UV Index approaches extreme levels in the summer. For detailed information and tips on managing UV exposure, visit Healdsburg UV Index.

Maximum UV Index Levels in Healdsburg for April

The chart shows the monthly maximum UV Index (UVI) for Healdsburg in April, 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 April 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.

April Sunshine in Healdsburg

As April unfolds in Healdsburg, the days become increasingly radiant, boasting an impressive 298 hours of sunshine. This marks a significant rise from the 261 hours enjoyed in March, capturing the essence of spring as nature awakens in vibrant colors. Following April, the sunshine only intensifies, peaking in June with 382 hours. The gradual transition from the cooler, darker winter months — where January sees only 141 hours — to the sun-soaked embrace of summer illustrates a clear trend: Healdsburg basks in longer daylight as the year progresses, creating the perfect backdrop for outdoor adventures and vineyard explorations.

Monthly Sunshine Duration in Healdsburg: April Highlighted

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

Chance of Sun in Healdsburg During April

April marks a delightful turning point in Healdsburg, with the chance of sunny weather rising to 72%. This increase follows a gradual ascent from the lower probabilities in winter, where January offers only 37% sunshine. As spring blossoms, residents can expect a significant improvement in sunny days compared to the previous months, with March reaching 63%. The trend continues upward into May and beyond, where sunshine becomes even more abundant, peaking at 85%. This clear trajectory suggests that April serves as a promising gateway to the longer, sunnier days of summer, inviting outdoor enthusiasts to revel in the region's beauty.

Percentage of Sunny Days in April in Healdsburg

The chart illustrates the percentage of sunny days in Healdsburg throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Healdsburg in April

As April unfolds in Healdsburg, the days grow noticeably longer, with a generous 13 hours of daylight illuminating the landscape. This increase signals the arrival of spring, following the gradual rise from 9 hours in January and 10 hours in February. March brings an additional hour, hinting at warmer days ahead, but it is April that truly embraces the brightness, paving the way for even longer days in May and June. This trend of lengthening daylight not only enhances outdoor activities but also lifts spirits as the vibrant colors of spring come to life. The steady rise in daylight hours reflects the region's transition from the cozy confines of winter to the lively embrace of the warmer months.

Average Daylight Hours in Healdsburg for April

The chart illustrates the variation in daylight duration in Healdsburg throughout the year, with April 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.

April Winds in Healdsburg

As spring unfolds in Healdsburg, April brings a consistent and gentle breeze, with an average wind speed of 2.3 m/s (5 mph), mirroring the conditions of the preceding months. This mild wind carries the rejuvenating essence of the season, making it an inviting time for outdoor activities. Interestingly, April's wind speed aligns with the slightly increasing trend seen since January, hinting at a gradual rise that peaks in May with winds reaching 2.9 m/s (6 mph). The consistency of April's breezes stands in contrast to the more turbulent patterns that come later, particularly during the summer months, ensuring that this month remains a refreshing breath of air before the heat intensifies.

Average April Wind Speed in Healdsburg

The chart displays monthly wind speed patterns in Healdsburg, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.32.32.3 m/s2.92.61.91.91.92.11.52.0
Data source: Healdsburg April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April'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 comparing the weather between January and April, we see notable differences in temperature and precipitation patterns. January experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 9°C (49°F), while April offers a milder range, with a minimum of 3°C (37°F) and an average of 14°C (57°F). Precipitation is significantly higher in January, totaling 139 mm (5.5 in) over 8 days, compared to April's 45 mm (1.8 in) over just 5 days. Additionally, January has a slightly higher humidity level at 86%, compared to April's 80%. For more specifics on January weather, you can visit Healdsburg weather in January.

April generally brings milder temperatures compared to February, with a minimum of 3°C (37°F) and an average of 14°C (57°F), peaking at 31°C (89°F). In contrast, February experiences much cooler conditions, with lows reaching -4°C (26°F) and an average of 10°C (50°F), while maxing out at 26°C (80°F). Additionally, April sees significantly less precipitation at 45 mm (1.8 in) over 5 days, compared to February's 155 mm (6.1 in) over 8 days. Both months have high humidity levels, with April at 80% and February slightly higher at 84%. For a detailed look at February weather, visit Healdsburg weather in February.

In comparing the weather between March and April, April tends to be warmer and drier. The minimum temperature in April is 3°C (37°F), slightly higher than March's chilly minimum of -1°C (30°F), while the average temperature rises to 14°C (57°F) compared to March's 11°C (52°F). Although April sees a maximum temperature reaching up to 31°C (89°F), March's maximum temperature peaks at a lower 28°C (83°F). Rainfall is considerably less in April, with 45 mm (1.8 in) of precipitation over just 5 days, whereas March experiences 97 mm (3.8 in) of rain across 11 days. Additionally, humidity levels are slightly lower in April, at 80%, compared to March's 83%. For more detailed information, you can check out Healdsburg weather in March.

April and May both experience mild temperatures, but May tends to be warmer overall. In April, temperatures can range from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), resulting in an average of 14°C (57°F). In contrast, May shows an increase in average temperature to 17°C (62°F), with highs reaching up to 35°C (96°F). Additionally, May experiences less precipitation, with 27 mm (1.1 in) over just 3 days, compared to April's 45 mm (1.8 in) across 5 days. Both months maintain a consistent humidity level of 80%, making the air feel similarly damp. For more detailed insights, you can check Healdsburg weather in May.

April weather is characterized by a wider temperature range, with minimums dipping to 3°C (37°F) and maximums reaching up to 31°C (89°F). The month experiences an average temperature of 14°C (57°F) and about 45 mm (1.8 in) of precipitation over five days, resulting in higher humidity levels at 80%. In contrast, June brings warmer temperatures, with a minimum of 8°C (47°F) and a maximum soaring to 40°C (105°F), averaging at 21°C (69°F). Notably, June sees significantly less precipitation, with only 2 mm (0.1 in) and no rainy days, coupled with slightly lower humidity at 76%. For more details, check out Healdsburg weather in June.

When comparing the weather of April and July, a distinct shift is noticeable. April experiences a wider temperature range with a minimum of 3°C (37°F) and maximum reaching up to 31°C (89°F), along with an average of 14°C (57°F). It also has a significant amount of precipitation at 45 mm (1.8 in) over 5 days, and humidity levels are relatively high at 80%. In contrast, July boasts much warmer temperatures, with a minimum of 11°C (53°F) and maximum soaring to 38°C (101°F), averaging around 22°C (71°F). The summer month is characterized by dry conditions, with no recorded precipitation and only 70% humidity. For a more detailed look at the climate in July, you can visit Healdsburg weather in July.

April weather is characterized by a wider range of temperatures, with minimums as low as 3°C (37°F) and maximums reaching 31°C (89°F). The month sees an average temperature of 14°C (57°F) and experiences about 45 mm (1.8 in) of precipitation over five days, resulting in a high humidity level of 80%. In contrast, August presents a much warmer and drier climate, with minimum temperatures starting at 10°C (51°F), averaging 21°C (71°F), and peaking at a scorching 38°C (101°F). Remarkably, August experiences no rainfall, leading to humidity levels dropping to 66%. For more detailed insights, you can check out Healdsburg weather in August.

April and September exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average temperature of 14°C (57°F). This month is characterized by relatively high humidity at 80% and frequent precipitation, averaging 45 mm (1.8 in) over about 5 days. In contrast, September presents warmer conditions with a minimum temperature of 7°C (45°F) and a much higher average of 20°C (69°F), peaking at 41°C (105°F). Additionally, September is much drier, receiving only 2 mm (0.1 in) of precipitation over no rainy days, and boasts lower humidity at 68%. For more detailed information, check out Healdsburg weather in September.

In comparing the weather between April and October, both months experience similar minimum temperatures, around 3°C (37°F), creating a cool start to the day. However, October typically boasts a slightly higher average temperature of 17°C (63°F) compared to April's 14°C (57°F), with maximum temperatures peaking at 35°C (96°F) in October, surpassing April's high of 31°C (89°F). Precipitation is slightly less in October, with only 41 mm (1.6 in) over just 2 days, while April sees 45 mm (1.8 in) spread across 5 days, which contributes to its higher humidity level of 80%, compared to October's 72%. For a more detailed look at what October weather is like, check out Healdsburg weather in October.

April and November present distinct weather contrasts, each showcasing unique characteristics. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average of 14°C (57°F). In contrast, November's temperatures are cooler, with a minimum of -1°C (30°F) and a maximum of 28°C (83°F), averaging around 12°C (54°F). While both months experience precipitation on about five days, November sees a slightly higher amount at 58 mm (2.3 in) compared to April's 45 mm (1.8 in). Additionally, humidity levels in both months remain high, with November being marginally higher at 84% while April sits at 80%. For a more detailed look at November weather, visit Healdsburg weather in November.

April and December present contrasting weather patterns, with April showcasing a wider temperature range. In April, temperatures can soar as high as 31°C (89°F) while still dipping to a cool 3°C (37°F), averaging around 14°C (57°F). The month sees about 45 mm (1.8 in) of precipitation over roughly 5 days and maintains a humidity level of 80%. In comparison, December's temperatures typically range from a low of -2°C (29°F) to a high of 23°C (73°F), averaging 9°C (48°F). It experiences more significant rainfall, totaling 101 mm (4.0 in) over about 8 days, with humidity slightly higher at 84%. For a detailed insight into the weather specifics, you can check Healdsburg weather in December.

Compare Healdsburg's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Healdsburg

April in Healdsburg brings a delightful transition as temperatures begin to rise, showcasing a notable difference from the cooler months preceding it. With an average temperature hovering around 14°C (57°F), the days are often sunny and warming, occasionally peaking at 31°C (89°F), inviting locals and visitors alike to indulge in outdoor activities. However, this month also sees increased humidity around 80%, contributing to a refreshing atmosphere despite the mild heat. April tends to be one of the wetter months, with about 45 mm (1.8 in) of rain spread over just 5 days, setting the stage for the vibrant blooming landscape that Healdsburg is known for. To learn more about how April weather fits into the overall climate patterns, visit Healdsburg Climate.