Last updated: February 24, 2025
April in Calistoga, United States, showcases a delightful range of temperatures, with maximums reaching 33°C (92°F) and minimums dipping to 2°C (36°F). The average temperature hovers around a comfortable 15°C (59°F), perfect for outdoor activities. This month experiences a moderate precipitation amount of 39 mm (1.5 in) over approximately 5 days, contributing to the area's lush landscapes. With humidity levels at a notable 80%, the atmosphere feels pleasantly refreshing, making April an ideal time to explore Calistoga's natural beauty and enjoy its renowned hot springs.
April in Calistoga marks the transition into warmer weather, with minimum temperatures averaging 2°C (36°F) and soaring to maximums around 33°C (92°F). The average temperature rises significantly to 15°C (59°F), creating a pleasant atmosphere that invites outdoor activities. This month showcases a notable increase in warmth compared to the preceding months, reflective of the region's gradual shift from winter's chill to the embrace of spring. With temperatures peaking towards the end of the month, April serves as a vibrant prelude to the hotter summer months ahead, enticing visitors with moderate days and crisp evenings perfect for wine tasting and exploration.
April in Calistoga marks a significant decrease in precipitation, with only 39 mm (1.5 in) of rainfall recorded over 5 days. This drop is stark compared to the earlier months, as January and February each brought over 130 mm, making April a transition to drier spring weather. Following the wetter months of winter and early spring, April's rainfall contributes to a gradual tapering off leading into May, which typically sees even less precipitation at just 23 mm (0.9 in). This pattern highlights a clear seasonal trend where Calistoga experiences its peak rainfall in the early months, paving the way for the dry conditions characteristic of the summer ahead.
In April, Calistoga experiences a notable shift in humidity, with levels dropping to 80%. This marks a decline from the higher winter months, where humidity peaked at 86% in January, gradually decreasing to 84% in February and 83% in March. The trend continues into May, where humidity remains stable at 80%. This decrease is part of a broader pattern that shows a transition towards the drier summer months, culminating in July's 70%. Overall, April represents a pivotal point where the region begins to embrace the warmer, less humid conditions characteristic of its Mediterranean climate.
As April arrives in Calistoga, the UV Index escalates to 9, marking the start of the very high exposure category. This significant increase from March's 7 not only reduces burn time to just 15 minutes, but also signals outdoor enthusiasts to take precautions against potential skin damage. Following the trend into May, the UV Index peaks at 10, highlighting an intensifying sun that remains consistent through summer. This pattern of rising UV levels underscores the importance of sun safety practices as the year progresses. To dive deeper into the UV Index trends throughout the year, visit Calistoga UV Index.
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April in Calistoga marks a delightful transition into spring, with sunshine hours peaking at 296 hours—a significant increase from the previous months. This greets visitors with a warm embrace, amplifying the charm of the vineyard-covered landscape. As the days grow longer, the sun's radiance in April sets the stage for the even sunnier months ahead, with May boasting 357 hours of sunlight. The steady rise from January's 141 hours to April's abundance showcases a remarkable trend of rejuvenation and vibrancy. As nature awakens, the increasing sunlight invites both locals and tourists to indulge in outdoor activities and immerse themselves in the captivating beauty of Calistoga.
As April rolls into Calistoga, the likelihood of sunny weather reaches a pleasing 72%, making it a notable shift from the cooler months of January, which sees only a 37% chance of sunshine. This upward trend continues from March's 62%, hinting at the approach of a vibrant spring. As the season progresses into May and June, the promise of bright skies increases even further, peaking at an impressive 88% during the summer months. This consistent rise in sunny days not only beckons locals and tourists alike to enjoy outdoor activities but also sets the stage for a delightful embrace of the warmer climate ahead.
As April arrives in Calistoga, residents are greeted by a significant increase in daylight hours, enjoying 13 hours of sunlight that marks a delightful transition from the winter months. This surge follows a steady climb from 9 hours in January to 11 hours in March, illustrating nature's awakening as spring takes hold. With each passing week, the days grow longer, fostering an atmosphere ripe for outdoor activities and blossoming landscapes. As May approaches, the daylight extends further to 14 hours, setting the stage for the sun-drenched adventures of summer, while the gradual tapering of daylight begins in late summer, following the peak months. This rhythm of increasing and decreasing daylight throughout the year not only enhances the beauty of Calistoga but also invites its community to fully embrace the seasonal changes.
As spring unfolds in Calistoga, April brings a gentle breeze with an average wind speed of 2.0 m/s (5 mph), maintaining the consistent light winds that have characterized the earlier months of the year. This month stands out slightly lower than March's uptick, yet it signals a transition as the weather begins to warm. Following April, May typically sees the breezes pick up to an average of 2.5 m/s (6 mph), hinting at the approaching summer. Overall, the trend of mild winds in April complements the blooming vineyards and lush landscapes, making it a delightful time to embrace the outdoors in this charming part of the United States.
The weather in Calistoga 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 Calistoga and find detailed weather information for every month.
When comparing the weather in April and January, it becomes clear that April generally offers milder and more variable temperatures. In April, the minimum temperature is around 2°C (36°F), with an average of 15°C (59°F) and a maximum of 33°C (92°F). This month also sees relatively low precipitation, totaling 39 mm (1.5 in) over about 5 days, fostering an atmosphere that feels less humid at approximately 80%. In contrast, January experiences a colder climate with temperatures dipping to a minimum of -1°C (30°F) and an average temperature of 9°C (49°F), peaking at 25°C (77°F). It also has significantly higher precipitation at 137 mm (5.4 in) spread over 8 days and a higher humidity level of 86%. For more detailed insights on January weather, check out Calistoga weather in January.
April generally heralds warmer temperatures than February, with an average of 15°C (59°F) compared to February’s 10°C (51°F). The minimum temperature in April is a more comfortable 2°C (36°F), while February can dip as low as -3°C (27°F). However, February sees significantly more rainfall, with 141 mm (5.6 in) over seven days, compared to April’s 39 mm (1.5 in) across five days. Humidity remains relatively high in both months, with February at 84% and April slightly lower at 80%. For detailed insights into February's weather, check out Calistoga weather in February.
In comparing the weather of April and March, we see a noticeable shift in temperatures and precipitation patterns. April experiences a wider temperature range, with minimums of 2°C (36°F) and maximums reaching up to 33°C (92°F), resulting in an average of 15°C (59°F). In contrast, March exhibits cooler temperatures, starting with a minimum of -1°C (31°F) and capping at a maximum of 29°C (85°F), leading to a lower average temperature of 11°C (53°F). Additionally, April receives less rainfall, totaling 39 mm (1.5 in) over 5 days, compared to March's 92 mm (3.6 in) spread across 10 days. Both months maintain high humidity levels, around 80% for April and 83% for March. For more detailed insights, check out Calistoga weather in March.
In April, temperatures range from a minimum of 2°C (36°F) to a maximum of 33°C (92°F), with an average temperature of 15°C (59°F). The month experiences more rainfall, totaling 39 mm (1.5 in) over approximately five days, while humidity remains at a consistent 80%. In contrast, May sees slightly warmer temperatures, with a minimum of 4°C (39°F), an average of 18°C (64°F), and a maximum of 37°C (99°F). Precipitation decreases to 23 mm (0.9 in) over about three days, while humidity stays steady at 80%. For more information on weather conditions in May, you can check Calistoga weather in May.
April and June exhibit distinct differences in weather patterns. In April, temperatures range from a chilly minimum of 2°C (36°F) to a more comfortable average of 15°C (59°F), with occasional peaks reaching 33°C (92°F). The month experiences moderate precipitation, totaling 39 mm (1.5 in) over about five days, combined with a high humidity level of 80%. In contrast, June enjoys warmer conditions, with a minimum temperature of 9°C (49°F) and an average of 22°C (72°F), peaking at a scorching 42°C (107°F). Remarkably, June sees minimal precipitation, only 2 mm (0.1 in) over zero rainy days, and slightly lower humidity at 76%. For more details on the weather in June, visit Calistoga weather in June.
April and July present distinctly different weather patterns. In April, temperatures range from a chilly 2°C (36°F) at night to a warmer 33°C (92°F) during the day, with an average temperature of 15°C (59°F). The month sees about 39 mm of precipitation, falling over five days, and boasts a high humidity level of 80%. In contrast, July offers a much warmer climate with nighttime lows of 12°C (53°F) and daytime highs soaring up to 40°C (105°F), averaging around 23°C (74°F). Notably, July is completely dry with no recorded precipitation and a lower humidity of 70%, making it a stark departure from April's dampness. For more detailed information, you can check Calistoga weather in July.
April weather is characterized by a wider temperature range, with minimums dipping to 2°C (36°F) and maximums reaching up to 33°C (92°F). The month typically sees about 39 mm (1.5 in) of precipitation over five days, accompanied by high humidity levels averaging 80%. In contrast, August offers a much warmer and drier climate, with temperatures ranging from a minimum of 11°C (52°F) to a scorching maximum of 41°C (106°F). Notably, August experiences no precipitation and lower humidity at 66%, making it a significantly more arid month. For more details, you can check Calistoga weather in August.
April typically experiences a wider range of temperatures, from a chilly minimum of 2°C (36°F) to a warm maximum of 33°C (92°F), with an average of 15°C (59°F). In contrast, September boasts a more moderate temperature range, with minimums around 7°C (46°F) and maximums reaching up to 43°C (109°F), averaging 21°C (71°F). Additionally, April sees more precipitation, accumulating 39 mm (1.5 in) over about five days, while September remains quite dry with only 2 mm (0.1 in) of rain and no precipitation days. The humidity also differs, with April being more humid at 80% compared to September's 68%. For a closer look at September weather, you can check Calistoga weather in September.
In April, temperatures range from a chilly minimum of 2°C (36°F) to a warm maximum of 33°C (92°F), with an average of around 15°C (59°F). The month sees about 39 mm (1.5 in) of precipitation over approximately 5 days, accompanied by high humidity at 80%. In contrast, October experiences slightly milder temperatures, with a minimum of 4°C (40°F), an average of 18°C (64°F), and a peak of 37°C (99°F). Precipitation is similar at 38 mm (1.5 in), but occurs over just 2 days, making the month feel drier, with humidity dropping to 72%. For more detailed weather insights, check out Calistoga weather in October.
April and November present distinct weather patterns, highlighting the transition from spring warmth to autumn coolness. In April, temperatures typically range from a minimum of 2°C (36°F) to a maximum of 33°C (92°F), with an average of around 15°C (59°F). While the month enjoys some warm days, it also sees an average of 39 mm (1.5 in) of precipitation over five days and a humidity level of 80%.
In contrast, November offers cooler temperatures, with a minimum of 0°C (31°F), an average of 12°C (55°F), and a maximum reaching 29°C (84°F). Despite having slightly more precipitation at 51 mm (2.0 in) over the same number of days, November's humidity rises to 84%. For more details on the climate during this month, check Calistoga weather in November.
April and December present contrasting weather patterns that highlight the transition from spring to winter. In April, temperatures range from a minimum of 2°C (36°F) to a pleasant average of 15°C (59°F), peaking at 33°C (92°F) on warmer days. The month experiences less precipitation, with about 39 mm (1.5 in) falling over approximately 5 days and humidity levels around 80%. In contrast, December brings cooler temperatures, starting at -1°C (30°F) and averaging 9°C (49°F), with a maximum of 23°C (74°F). This month is wetter, receiving 95 mm (3.7 in) of rainfall over 8 days, and a slightly higher humidity level at 84%. For more detailed insights into how December weather impacts the region, visit Calistoga weather in December.
April in Calistoga marks a beautiful transition into spring, with warmer temperatures compared to the cooler months preceding it. While the average daily temperature rises significantly, the occasional cool nights still remind us that winter has just passed. With about five days of rainfall and overall high humidity levels hovering around 80%, April tends to be a bit moist, providing a refreshing contrast to the drier months ahead. This blend of pleasant warmth and lingering springtime freshness makes April a unique month in Calistoga's annual weather cycle. For a more detailed understanding of what to expect throughout the year, be sure to check out Calistoga Climate.