April Weather in Yountville, United States

Last updated: February 24, 2025

In April, Yountville experiences a delightful range of temperatures, with maximums reaching up to 33°C (92°F) and averaging around 16°C (60°F). Enjoy mild minimums of 3°C (37°F), perfect for early morning strolls. Although the month sees 32 mm (1.3 in) of precipitation over five days, the charming landscape remains vibrant, enhanced by an 81% humidity level. This blend of warmth and occasional rain makes April an inviting time to explore the natural beauty of Yountville.

April Temperature in Yountville

In Yountville, April marks a vibrant transition into warmer days, with temperatures typically ranging from a mild 3°C (37°F) at night to a pleasantly warm 33°C (92°F) during the day. This month sees an average temperature of 16°C (60°F), a significant rise from the cooler early months of the year. As spring unfolds, the warming trend is evident, with April's highs surpassing March's maximum by almost 3°C (5°F), indicating a swift march toward summer. The increasing daylight and gentle temperatures invite both locals and visitors to explore outdoor activities, making April an ideal month for enjoying Yountville's renowned vineyards and charming landscapes.

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

The chart illustrates April temperature patterns in Yountville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505254606673757572655549
Data source: Temperature data for Yountville 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 Yountville

In April, Yountville experiences a significant drop in precipitation, receiving only 32 mm (1.3 in) of rain over 5 days, marking a clear transition from the wetter months of winter and early spring. This decrease follows a more substantial 84 mm (3.3 in) in March and sets the stage for the even drier conditions of May, where precipitation dwindles further to just 20 mm (0.8 in). The pattern showcases a consistent trend of declining rainfall as the region inches toward summer, highlighting how Yountville's climate evolves from the seasonal storms of early months to drier spells. The gradual reduction in both the amount and frequency of rainfall indicates a move towards a Mediterranean climate, ultimately paving the way for the sunny days that characterize the later months of the year.

April Precipitation Trends in Yountville

The chart displays monthly precipitation patterns in Yountville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1271208432202101314387
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Yountville

As April arrives in Yountville, the humidity begins to show a slight decline, settling at 81%—a gentle dip from the preceding months' robust levels. While January and February maintain a high 84%, March reflects a gradual decrease to 83%. This trend continues into April, suggesting a transition towards drier weather as the region approaches summer. In fact, May sees a more significant drop to 74%, indicating that Yountville is on the brink of its warmest, driest months. This steady decline in humidity not only enhances the comfort of the spring air but also prepares the landscape for the vibrant growth that characterizes California's warmer seasons.

April Average Humidity in Yountville

This chart illustrates the average monthly humidity levels in Yountville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%81%74%64%44%37%44%65%84%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Yountville

As spring unfolds in Yountville, April brings a notable shift in the UV Index, soaring to 9, categorized as very high. This increase in UV exposure signals a transition from the moderate levels of earlier months, with burn times drastically reduced to just 15 minutes. This upward trend in UV intensity is a precursor to the summer months, where both May and June will reach extreme levels. Residents and visitors alike should be vigilant about sun protection during April, as the sun's power intensifies, making it crucial to stay safe while enjoying the beautiful weather. For more detailed information, check out the Yountville UV Index.

Maximum UV Index Levels in Yountville for April

The chart shows the monthly maximum UV Index (UVI) for Yountville 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: Yountville 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 Yountville

April in Yountville is a delightful month, basking in 296 hours of sunshine that mark a notable increase from the previous months. After a steady rise from 141 hours in January to 257 hours in March, the spring weather invites residents and visitors alike to revel in the increasing warmth and light. This tendency towards brighter days continues into May, which brings an impressive 357 hours of sunshine. As the months progress, the days grow even longer and sunnier, peaking in July with 394 hours of golden rays. This upward trend not only enhances the natural beauty of Yountville but also creates an inviting atmosphere for outdoor activities, making April a perfect time to enjoy the region's renowned vineyards and culinary delights.

Monthly Sunshine Duration in Yountville: April Highlighted

The April sunshine duration represents the total number of hours Yountville 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.
JanFebMarAprMayJunJulAugSepOctNovDec141h210h257h296h357h384h394h356h314h280h220h185h
Data source: Yountville April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yountville During April

As April unfolds in Yountville, the likelihood of basking in sunny weather reaches a promising 72%, marking a delightful transition from the earlier months. This increase in sunshine is part of a broader trend toward brighter days, as April lies just before the peak sunny months of May and June, which boast chances of 85% and 88%, respectively. It’s clear that after the cooler, cloudier days of winter, residents and visitors can expect April to usher in a more vibrant and sunlit atmosphere, setting the stage for the summer months ahead. With each passing week, the days grow longer and sunnier, inviting outdoor activities and a rejuvenating spirit into the heart of this charming wine country.

Percentage of Sunny Days in April in Yountville

The chart illustrates the percentage of sunny days in Yountville 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 Yountville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%59%63%72%85%88%84%89%82%53%50%35%
Data source: Yountville April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yountville in April

In Yountville, United States, April marks a delightful transition into longer days, boasting approximately 13 hours of daylight. Following the gradual increase from 9 hours in January to 11 hours in March, April heralds a significant leap, as the sun lingers longer in the sky, inviting residents and visitors alike to embrace the blossoming spring. This upward trend continues into May with 14 hours, showcasing the region's vibrant seasonal shift. As the months progress into summer, daylight gradually stabilizes before tapering off in the late summer and autumn, creating a rhythm of light that perfectly complements the changing landscapes throughout the year. April's extended daylight serves as a reminder of nature's cyclical beauty and the joy of outdoor exploration.

Average Daylight Hours in Yountville for April

The chart illustrates the variation in daylight duration in Yountville throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 49m10h 46m11h 59m13h 13m14h 16m14h 47m14h 30m13h 34m12h 22m11h 8m10h 3m9h 31m
Data source: Yountville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Yountville

In Yountville, April welcomes visitors with a gentle breeze, showcasing an average wind speed of 2.0 m/s (5 mph). This marks a subtle decrease from the slightly stronger winds of the preceding months, which tend to linger around 2.3 m/s (5 mph) in both February and March. As spring unfolds, the winds remain calm yet refreshing, enticing outdoor enthusiasts to explore the scenic beauty of the vineyards and rolling hills. Looking ahead, May hints at a gentle uptick to 2.6 m/s (6 mph), suggesting that the region's breezy charm is poised to return just in time for the summer festivities. Overall, April's wind pattern beautifully complements the blossoming landscapes, making it a delightful time to experience the enchanting allure of Yountville.

Average April Wind Speed in Yountville

The chart displays monthly wind speed patterns in Yountville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.32.32.0 m/s2.62.42.11.91.92.11.61.8
Data source: Yountville April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Yountville Compares to Other Months

The weather in Yountville 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 Yountville and find detailed weather information for every month.

April and January present distinct weather patterns, reflecting the transition into spring versus the heart of winter. In April, temperatures range from a chilly 3°C (37°F) at night to a warm 33°C (92°F) during the day, with an average of 16°C (60°F) and relatively low precipitation of 32 mm (1.3 in) over about five days. The humidity in April hovers around a comfortable 81%.

In contrast, January experiences colder temperatures, with lows dropping to -1°C (30°F) and highs reaching only 26°C (78°F), averaging 10°C (50°F). This month sees significantly more precipitation, totaling 127 mm (5.0 in) across eight days, and humidity levels are slightly higher at 84%. For a deeper dive into winter conditions, explore Yountville weather in January.

When comparing the weather in April to that of February, notable differences arise in both temperature and precipitation patterns. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 33°C (92°F), with an average of 16°C (60°F), indicating a generally warmer climate compared to February, which experiences cooler temperatures between -3°C (28°F) and 27°C (81°F), with an average of 11°C (53°F). Additionally, April sees significantly less precipitation, with only 32 mm (1.3 in) across 5 days, whereas February is much wetter, receiving 120 mm (4.7 in) over 7 days. Humidity levels remain relatively high in both months, with April at 81% and February slightly higher at 84%. For those interested in a detailed look at February weather, please refer to Yountville weather in February.

In comparing the weather of April to that of March, April generally brings warmer temperatures, with a minimum of 3°C (37°F) and an average of 16°C (60°F), compared to March's minimum of 0°C (32°F) and average of 12°C (54°F). While April can reach highs of 33°C (92°F), March's maximum is slightly lower at 30°C (86°F). Precipitation also sees a significant decrease; April experiences only 32 mm (1.3 in) of rain over 5 days, whereas March receives 84 mm (3.3 in) across 10 days, making April a drier month overall. Humidity levels remain fairly consistent, with March at 83% and April at 81%. For more information on March weather specifics, you can check out Yountville weather in March.

In comparing the weather of April and May, April tends to exhibit a broader temperature range, with minimums dipping to 3°C (37°F) and maximums reaching 33°C (92°F). The average temperature sits at 16°C (60°F), accompanied by higher precipitation levels of 32 mm (1.3 in) over approximately five days, resulting in a humidity of 81%. In contrast, May experiences slightly warmer conditions, with a minimum temperature of 4°C (40°F) and an average temperature of 19°C (66°F). The upper limit can soar to 38°C (101°F), while precipitation decreases significantly to 20 mm (0.8 in) over just two days, leading to a lower humidity level of 74%. For more detailed information, you can visit Yountville weather in May.

April and June display quite a contrast in weather characteristics. In April, temperatures range from a chilly minimum of 3°C (37°F) to a warm maximum of 33°C (92°F), with an average temperature of 16°C (60°F). This month also experiences more precipitation, with a total of 32 mm (1.3 in) over approximately five days and a relatively high humidity of 81%. In contrast, June boasts a warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 42°C (108°F), averaging 23°C (74°F). Notably, June sees significantly less rainfall, with only 2 mm (0.1 in) and no rainy days, and lower humidity at 64%. For more details, you can check Yountville weather in June.

April and July present quite contrasting weather conditions. In April, temperatures range from a chilly 3°C (37°F) to a warm 33°C (92°F), with an average of 16°C (60°F) and notable humidity at 81%. This month also experiences some precipitation, totaling 32 mm (1.3 in) over about five days. In sharp contrast, July boasts a much warmer climate, with temperatures ranging from a minimum of 12°C (54°F) to a scorching maximum of 41°C (106°F) and an average temperature of 24°C (76°F). This month is characterized by minimal rainfall, recording only 1 mm (0.0 in) and experiencing no rainy days, as well as significantly lower humidity at 44%. For more on July weather specifics, check out Yountville weather in July.

April weather is notably variable, with temperatures ranging from a chilly 3°C (37°F) at night to a warm 33°C (92°F) during the day, averaging around 16°C (60°F). This month also experiences moderate precipitation of about 32 mm (1.3 in) over approximately five days, and humidity levels are relatively high at 81%. In contrast, August brings significantly warmer temperatures, with nighttime lows of 11°C (52°F) and daytime highs peaking at a scorching 43°C (109°F), averaging around 24°C (75°F). Notably, August is dry, with no recorded precipitation or rainy days, and the humidity drops to a comfortable 36%. For more specific details on August conditions, you can visit Yountville weather in August.

April and September exhibit notable differences in weather patterns. In April, temperatures range from a chilly 3°C (37°F) at night to a warm 33°C (92°F) during the day, with an average temperature of 16°C (60°F). This month also sees a moderate amount of precipitation at 32 mm (1.3 in), spread over about five days, and high humidity levels averaging 81%.

In contrast, September brings warmer temperatures, with nighttime lows of 7°C (45°F), daytime highs reaching a scorching 44°C (112°F), and an average temperature of 22°C (72°F). Notably, precipitation is minimal, measuring just 1 mm (0.0 in) with no rainy days, and humidity drops significantly to around 44%. For more detailed weather insights, you can check Yountville weather in September.

April weather is characterized by a wider range of temperatures, with minimums dropping to 3°C (37°F) and maximums reaching up to 33°C (92°F). This spring month sees an average temperature of 16°C (60°F) and higher humidity at 81%, along with precipitation on about 5 days, totaling 32 mm (1.3 in). In contrast, October exhibits a slightly warmer average temperature of 19°C (66°F), with minimums around 4°C (39°F) and maximums soaring to 38°C (101°F). The fall month experiences lower humidity at 65% and significantly less precipitation, averaging only 31 mm (1.2 in) over just 2 days. For more detailed information, check out Yountville weather in October.

April and November exhibit distinct weather patterns. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 33°C (92°F), with an average of 16°C (60°F). The month sees about 32 mm (1.3 in) of precipitation spread over 5 days, while humidity hovers around 81%. In contrast, November experiences cooler minimum temperatures, dipping to -1°C (30°F) but still averages 13°C (56°F) with a maximum of 29°C (85°F). Precipitation increases slightly to 43 mm (1.7 in), also over 5 days, and humidity rises to 84%. For more specific details about November weather in a particular location, check out Yountville weather in November.

April and December present contrasting weather patterns, highlighting the transition between spring and winter. In April, temperatures range from a mild 3°C (37°F) at night to a warm 33°C (92°F) during the day, with an average of 16°C (60°F). This month sees relatively low precipitation at 32 mm (1.3 in) over about 5 days, accompanied by a high humidity of 81%. In contrast, December features cooler conditions, with nighttime lows of 0°C (33°F) and daytime highs reaching 23°C (75°F), resulting in an average temperature of 10°C (50°F). This month experiences more rainfall at 87 mm (3.4 in) spread over 8 days, and humidity stays slightly higher at 83%. For a closer look at December's weather specifics, you can visit Yountville weather in December.

Compare Yountville's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Yountville

April in Yountville brings a delightful transition into spring, characterized by a mild temperature range that invites both locals and visitors to embrace the outdoors. As the month unfolds, you can expect relatively comfortable conditions, with a notable increase in warmth compared to the cooler winter months, while still enjoying refreshing breezes. Although April experiences about five days of light precipitation, it stands out with higher humidity, contributing to the lush landscape that defines this charming town during this time of year. This blend of warmer days and occasional rain creates the perfect atmosphere for exploring wine country. For more detailed insights, check out Yountville Climate.