Last updated: February 24, 2025
October in Calistoga, United States, showcases dynamic weather patterns characterized by a maximum temperature reaching an impressive 37°C (99°F), coupled with a comfortable average of 18°C (64°F). As the month unfolds, residents and visitors can expect cooler nights, with temperatures dipping to a refreshing minimum of 4°C (40°F). Rainfall is relatively light, with total precipitation measuring 38 mm (1.5 in) over just 2 days, while humidity lingers around a moderate 72%, adding to the crisp autumn ambiance. Overall, October presents a delightful blend of warmth and coolness, ideal for enjoying all the beauty Calistoga has to offer.
In Calistoga, October ushers in a notable shift in temperatures as the warm, sun-soaked days of summer give way to the cool embrace of autumn. With minimum temperatures averaging around 4°C (40°F) and maximums peaking at 37°C (99°F), the month presents a gentle balance ideal for outdoor activities and local winery visits. The average temperature settles at a comfortable 18°C (64°F), making it a pleasant time for enjoying the region’s stunning fall foliage. As daylight shortens and crisp evenings arrive, this transitional period hints at winter's approach while still allowing for those last few warm days before the chill sets in.
In October, Calistoga experiences a noticeable transition in its weather patterns as precipitation begins to rise after the dry summer months. With an average of 38 mm (1.5 in) of rain falling over just 2 days, October marks the onset of a wetter season, providing a refreshing change and helping to revive the region's lush landscape. This slight uptick in rainfall sets the stage for the more substantial precipitation totals that follow in late autumn, contrasting sharply with the drought-like conditions of July and August, which see no rainfall at all. As summer fades, the October rains nurture the grapevines and prepare the earth for the winter months ahead, highlighting the cyclical rhythm of Calistoga's climate.
October in Calistoga sees a moderate humidity level of 72%, marking a slight increase from the drier summer months, with August peaking at 66% and September at 68%. As the year progresses, there's a noticeable shift back toward the higher humidity typical of earlier months; January starts the year at a moist 86%. This gradual rise reflects the transition into fall, where cooler temperatures and seasonal changes influence moisture levels. Overall, October strikes a balance between the lingering warmth of summer and the approaching chill of winter, making it a comfortable yet refreshing month in this charming Californian town.
As October unfolds in Calistoga, the UV Index levels reflect a gentle transition into fall, registering a moderate UV Index of 6. This marks a notable decline from the extreme and very high levels experienced during the summer months, where the sun demanded attention with a burn time as short as 10 minutes in July and June. With October’s high exposure category, outdoor enthusiasts can enjoy about 25 minutes of sun exposure before the risk of burning increases. This month serves as a reminder to remain vigilant, as UV levels continue to influence outdoor activities. For detailed insights on UV exposure throughout the year, check out the Calistoga UV Index.
UV Risk Categories
As autumn settles in, October in Calistoga offers a delightful retreat with 280 hours of sunshine, showcasing a gradual decline from the vibrant summer months. This month marks a transition, with the sun shining less than the peak of July and June, yet still providing ample warmth and light. The sunshine diminishes as the year progresses, following the pattern set from the peak of 384 hours in June, but October's golden rays continue to invite visitors for outdoor adventures amidst the stunning fall foliage. With each passing month, Calistoga reveals a beautiful rhythm in its climate, where even as daylight wanes, the charm of autumn draws people in, promising cozy moments and picturesque views as the year winds down.
In Calistoga, United States, October brings a moderate likelihood of sunny weather, with a 52% chance of sunshine typical for the month. This marks a notable decrease from the sun-soaked days of summer, where June and August boast an impressive 88% chance. As the seasons shift into fall, the likelihood of sun dips below 60%, aligning closely with the cooler November forecast of 50%. Despite this decline, October still benefits from a reasonable amount of clear skies, offering a delightful balance for those who wish to enjoy the autumn scenery. The trend clearly demonstrates that while the sun may not shine as consistently as in the peak summer months, there are still ample opportunities to bask in its warmth before the winter chill sets in.
As autumn settles in, October in Calistoga ushers in a gentle reduction in daylight, offering about 11 hours each day. This marks a notable shift from the sun-drenched summer months, where daylight stretched to a generous 14 hours. Following the vibrant September days that boasted 12 hours of light, October signals a gradual winding down of the long, luminous hours characteristic of the season. The trend showcases a clear transition towards winter, mirroring the ebb of warmth and the rich tapestry of fall colors that envelop the region. As the days shorten, the tranquil beauty of Calistoga transforms, providing a cozy backdrop for both reflection and adventure.
As October settles in Calistoga, the average wind speed hovers around a gentle 1.9 m/s (4 mph), maintaining a tranquil atmosphere that complements the crisp fall air. This slight uptick from the more stagnant summer months reflects a transition into seasonal change, although it remains relatively calm compared to the breezier springtime peaks. In the broader yearly context, October's winds resemble those of January and July, offering a reminder of the area's typically mild conditions. With these gentle winds, the picturesque vineyards and rolling hills are dressed in vibrant autumn colors, inviting leisurely strolls and cozy gatherings amidst nature's stunning transformation.
The weather in Calistoga changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October'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.
In October, the weather in Calistoga offers a wide range of temperatures, with a minimum of 4°C (40°F) and a maximum of 37°C (99°F), averaging around 18°C (64°F). This month typically sees only two days of precipitation and has moderate humidity at 72%. In contrast, January experiences much cooler temperatures, with a minimum of -1°C (30°F) and an average of 9°C (49°F), peaking at 25°C (77°F). This month is wetter, receiving 137 mm (5.4 in) of precipitation over eight days, and the humidity rises to 86%. For more detailed weather information, check out the link: Calistoga weather in January.
October and February present contrasting weather patterns. In October, temperatures range from a chilly minimum of 4°C (40°F) to a warm average of 18°C (64°F) and can peak at a scorching 37°C (99°F). The month sees relatively low precipitation, averaging 38 mm (1.5 in) over just 2 rainy days, and a humidity level of 72%. In contrast, February experiences significantly colder temperatures, with a minimum of -3°C (27°F) and an average of 10°C (51°F), peaking at a milder 27°C (80°F). This month is also much wetter, receiving 141 mm (5.6 in) of rainfall across 7 days and higher humidity at 84%. For more details on February weather, you can check out Calistoga weather in February.
When comparing the weather in October and March, several notable differences emerge. In October, temperatures range from a mild 4°C (40°F) at night to a warm average of 18°C (64°F), peaking at 37°C (99°F) on hot days. The month experiences relatively low precipitation, with only 38 mm (1.5 in) falling over just 2 days, and humidity levels averaging 72%. In contrast, March brings cooler temperatures, with nighttime lows dipping to -1°C (31°F) and daytime averages of 11°C (53°F); the maximum temperature reaches 29°C (85°F). This month also sees more rainfall, accumulating 92 mm (3.6 in) over 10 days, and higher humidity at 83%. For more details on March weather, you can check Calistoga weather in March.
When comparing the weather of October and April, several noticeable differences emerge. October typically enjoys a more varied temperature range, with minimums around 4°C (40°F) and maximums reaching up to 37°C (99°F), averaging at 18°C (64°F). In contrast, April experiences slightly cooler temperatures, with minimums at 2°C (36°F) and maximums of 33°C (92°F), averaging 15°C (59°F). Both months receive similar amounts of precipitation—around 38-39 mm (1.5 in)—but April has more rainy days, totaling five compared to October's two days. Additionally, April's humidity is slightly higher at 80%, compared to October's 72%. For a more detailed look at April weather, visit Calistoga weather in April.
In both October and May, temperatures have similar ranges, with minimums around 4°C (40°F) and averages hovering at 18°C (64°F). However, October tends to be slightly drier, with only 38 mm of precipitation over 2 days, compared to May's 23 mm across 3 days. Additionally, May experiences a higher humidity level at 80%, while October's humidity sits at 72%. For more detailed insights into May weather, you can check Calistoga weather in May.
When comparing the weather in October and June, several key differences emerge. In October, temperatures range from a minimum of 4°C (40°F) to a maximum of 37°C (99°F), with an average temperature of 18°C (64°F). The month sees about 38 mm (1.5 in) of precipitation over 2 days, and humidity levels are around 72%. In contrast, June typically has milder temperatures, with a minimum of 9°C (49°F) and a maximum reaching up to 42°C (107°F), averaging 22°C (72°F). Notably, June is much drier, receiving only 2 mm (0.1 in) of precipitation on no days, and features slightly higher humidity at 76%. For more detailed insights, check Calistoga weather in June.
When comparing the weather in October to that of July, notable differences emerge. October experiences a broader temperature range, with minimums dipping to 4°C (40°F) and maximums reaching up to 37°C (99°F). In contrast, July's temperatures are generally milder, ranging from a minimum of 12°C (53°F) to a maximum of 40°C (105°F). Additionally, October sees some precipitation (38 mm or 1.5 inches over 2 days), while July is completely dry with no recorded rain. Humidity levels are comparable, hovering around 72% in October and 70% in July. For more detailed insights on July weather, you can visit Calistoga weather in July.
In October, the temperature ranges from a cooler minimum of 4°C (40°F) to a more moderate average of 18°C (64°F), with a maximum reaching 37°C (99°F). This month also sees some precipitation, totaling 38 mm (1.5 in) over 2 days, and maintains a relatively high humidity level of 72%. In contrast, August offers warmer temperatures with a minimum of 11°C (52°F), an average of 23°C (73°F), and peaks at a hot 41°C (106°F). Notably, August experiences no precipitation, making it a dry month with humidity at 66%. For more details about August weather, you can visit Calistoga weather in August.
In comparing the weather between October and September, October experiences a wider temperature range, with minimums dropping to 4°C (40°F) and maximums reaching 37°C (99°F). In contrast, September maintains milder temperatures, with a minimum of 7°C (46°F) and a maximum of 43°C (109°F). Precipitation is notably higher in October, totaling 38 mm (1.5 in) over just two days, while September had virtually no rain, recording only 2 mm (0.1 in) over the entire month. Additionally, humidity levels are slightly higher in October at 72%, compared to September's 68%. For a closer look at September's specific conditions, check out Calistoga weather in September.
October typically sees a wider temperature range, with minimums around 4°C (40°F) and maximums soaring to 37°C (99°F), averaging at 18°C (64°F). In contrast, November presents cooler conditions, with temperatures dipping to a minimum of 0°C (31°F) and a maximum of 29°C (84°F), leading to an average of 12°C (55°F). While October experiences relatively low precipitation of 38 mm (1.5 in) over just 2 days, November is wetter, accumulating 51 mm (2.0 in) across 5 days. Additionally, humidity levels increase, rising from 72% in October to 84% in November, contributing to a noticeably different climate. For more detailed insights, check out Calistoga weather in November.
October and December present striking contrasts in weather. In October, temperatures range from a cool 4°C (40°F) at night to a warm 37°C (99°F) during the day, with an average temperature of 18°C (64°F). The month receives only 38 mm (1.5 in) of precipitation over about 2 days, and humidity averages around 72%. In comparison, December introduces much cooler conditions; temperatures drop to a minimum of -1°C (30°F) and reach a maximum of 23°C (74°F), averaging at 9°C (49°F). Precipitation significantly increases to 95 mm (3.7 in) across 8 days, contributing to higher humidity levels at 84%. For more detailed insights, you can check out Calistoga weather in December.
As autumn settles in, October in Calistoga brings a delightful shift in weather that sets it apart from the hotter summer months. With cooler average temperatures and a substantial drop in humidity, it offers a comfortable escape for outdoor enthusiasts. The month sees only a couple of rainy days, making it an ideal time for wine tasting and exploring the stunning fall foliage. The occasional warmth of about 37°C (99°F) reminds us of summer, but with nighttime lows dipping into the refreshing 4°C (40°F), October feels like a true transition into fall. For those looking to learn more about the unique aspects of Calistoga's climate, don't miss our detailed overview at Calistoga Climate.