Last updated: February 24, 2025
In Calistoga, United States, July brings warm and inviting weather, with maximum temperatures soaring to 40°C (105°F) and an average of 23°C (74°F). Visitors can expect a delightful summer experience, as the month boasts a remarkable lack of precipitation, recording 0 mm (0.0 in) over no rainy days. However, the humidity levels hover around 70%, adding a touch of warmth to the sun-soaked days. Whether exploring the picturesque vineyards or enjoying outdoor activities, July in Calistoga promises to be an unforgettable summer escape.
In July, Calistoga experiences warm and inviting temperatures, perfectly suited for summer activities. The month typically starts off with minimums around 12°C (53°F) at night, gradually warming to an average daily temperature of 23°C (74°F). Daytime highs can soar up to a scorching 40°C (105°F), making it one of the hottest months of the year. Notably, July showcases a consistent trend of warmth that builds up from the milder temperatures of the spring months, creating an inviting atmosphere for visitors seeking sun-soaked experiences. As the heat lingers through the days, the evenings offer a pleasant respite, allowing for outdoor enjoyment under the stars. This blend of high daytime temperatures and moderate nights underscores Calistoga's reputation as a summer getaway, where the warmth welcomes adventurers and wine enthusiasts alike.
In July, Calistoga experiences a significant dry spell, with 0 mm of precipitation recorded and no rainy days to speak of. This trend of minimal rainfall continues from the preceding months, which see a sharp decline in precipitation as summer arrives. June only received a slight 2 mm, and not much more can be expected in August, reinforcing a pattern of dry conditions typical for this time of year. This summer dryness is a stark contrast to the wetter months, where rainfall peaks in January and February. As the region basks in the warmth of summer, the lack of rain aligns perfectly with the region's seasonal climate, offering residents and visitors sunny days ideal for outdoor activities.
In July, Calistoga experiences a noticeable shift in humidity, dropping to 70%. This decline continues a trend observed over the warmer months, with humidity gradually decreasing from a high of 86% in January to a more comfortable level in mid-summer. As spring transitions into summer, the region's humidity levels plummet, hitting their lowest point in August at 66% before slightly rebounding in the fall. The gradual decrease from the winter highs reflects the region's warming climate, offering a drier atmosphere that enhances the sun-soaked allure of this charming destination.
In Calistoga, United States, the July UV Index reaches its peak at 11, categorizing it as extreme with a burn time of just 10 minutes. This intensity marks a continuation of high UV levels that ramp up from the earlier months, starting at 3 in January and escalating dramatically by June. The trend showcases a stark shift as spring transitions into summer, with notably high exposure levels persisting into August, where the index drops slightly to 10. As sun-seekers flock to outdoor activities, it's essential to be mindful of the sun's potency during this month. For more details on UV trends throughout the year, visit Calistoga UV Index.
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In Calistoga, United States, July shines as the peak of summer, basking in an impressive 394 hours of sunshine. This radiant month is part of a broader trend that sees daylight hours steadily increase from the chilly 141 hours in January to a warm 384 hours in June. The progression is a celebration of warmth and light, with each month building on the last. Following July, the sunshine begins to taper off slightly in August, yet even at 356 hours, it remains a delightful retreat from the cooler months ahead. The year’s cycle highlights how summer's abundance translates into vibrant days filled with the golden glow of the sun, setting the stage for outdoor adventures and rejuvenation.
In Calistoga, July offers a sun-soaked reprieve with an impressive 85% chance of sunshine. This peak in sunny weather follows a steady upward trend from the cooler months, beginning with only 37% in January and gradually rising to a delightful 88% by June. As summer unfolds, the likelihood of clear skies remains high, making July one of the year's most delightful months for outdoor activities. Interestingly, this sunny spell continues into August and starts to slide gently into September, suggesting that summer fun can extend well beyond just July. This consistency in warm weather paints a bright picture for those seeking summer adventures in this charming Californian destination.
In Calistoga, July enjoys a remarkable 14 hours of daylight, maintaining the same bright ambiance seen in June. This peak in sunshine gives way to the warm summer days that the region is known for, offering residents and visitors alike ample time to indulge in outdoor activities. Following July, daylight begins to gradually wane, with August slightly decreasing to 13 hours. This pattern illustrates a clear trend: the lengthening days of spring culminate in the summer's abundance of light before transitioning into the shorter days of autumn. The steady daylight from June through July exemplifies the heart of summer, making it a vibrant time for exploration and enjoyment in this beautiful enclave of the United States.
In Calistoga, July brings a slight dip in average wind speed to 1.9 m/s (4 mph), continuing a trend of gentle breezes that characterize the summer months. Following a peak in May at 2.5 m/s (6 mph), the winds have mellowed somewhat through June and into July. Interestingly, this month mirrors the lighter winds observed in both August and September, suggesting a consistent pattern of calmness in the heart of summer. Despite these gentle gusts, the warmth of July remains inviting, making Calistoga an ideal spot for leisurely outdoor activities. Whether you're sipping wine or exploring the scenic landscapes, the soft July winds enhance the charm of this beautiful Napa Valley town.
The weather in Calistoga 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 Calistoga and find detailed weather information for every month.
July and January present striking contrasts in weather conditions. July boasts warm temperatures, with a minimum of 12°C (53°F) and highs reaching up to 40°C (105°F), while enjoying clear skies and no recorded precipitation. In contrast, January brings much cooler temperatures, with a minimum of -1°C (30°F) and an average of 9°C (49°F). This month also experiences significant rainfall, with 137 mm (5.4 in) of precipitation spread over 8 days, resulting in higher humidity levels at 86%. For more details, you can check Calistoga weather in January.
July and February present starkly contrasting weather conditions. In July, temperatures soar with a minimum of 12°C (53°F) and an impressive average of 23°C (74°F), occasionally peaking at a scorching 40°C (105°F). The month is characterized by dry air, with no recorded precipitation and a humidity level of 70%. In contrast, February experiences much chillier temperatures, with a minimum of -3°C (27°F) and an average of 10°C (51°F), reaching a maximum of 27°C (80°F). This month is also significantly wetter, receiving 141 mm (5.6 in) of precipitation over 7 days, and humidity levels are slightly higher at 84%. For more details on February weather, you can visit Calistoga weather in February.
When comparing the weather in July and March, it's clear that these months present contrasting conditions. July experiences much warmer temperatures, with a minimum of 12°C (53°F) and a maximum soaring to 40°C (105°F), while March offers a cooler range, starting at -1°C (31°F) and peaking at 29°C (85°F). Additionally, July boasts completely dry days with no recorded precipitation, showcasing a more arid climate, while March sees significant rainfall totaling 92 mm (3.6 in) over 10 days, contributing to higher humidity levels at 83%. For a more detailed look at March weather specifically, visit Calistoga weather in March.
July and April present contrasting weather patterns. In July, temperatures soar, with a minimum of 12°C (53°F) and an average high of 23°C (74°F), peaking at a sweltering 40°C (105°F). The month is notably dry, recording no precipitation and maintaining a humidity level of 70%. In contrast, April experiences much cooler conditions, with temperatures ranging from a minimum of 2°C (36°F) to an average of 15°C (59°F) and a maximum of 33°C (92°F). April also sees more moisture, with 39 mm (1.5 in) of rain spread over five days and a slightly higher humidity of 80%. For a detailed look at April's climate, visit Calistoga weather in April.
In comparing the weather of July and May, July exhibits significantly higher average temperatures, ranging from a minimum of 12°C (53°F) to a maximum of 40°C (105°F), while May has a more moderate range with a minimum of 4°C (39°F) and a maximum of 37°C (99°F). Although both months experience dry conditions, July stands out with no recorded precipitation, while May sees 23 mm (0.9 in) of rain over three days. Additionally, humidity levels in July average around 70%, which is slightly lower than May's 80%. For more detailed insights, you can check out Calistoga weather in May.
In comparing the weather between June and July, both months experience high temperatures, but July tends to be slightly milder on average, with an average temperature of 23°C (74°F) compared to June's 22°C (72°F). Interestingly, while both months recorded no days of precipitation, June had a minimal amount of rain (2 mm), whereas July experienced completely dry conditions with 0 mm of precipitation. Additionally, humidity levels decrease slightly in July, averaging 70%, compared to June's higher average of 76%. For a more detailed look at June's weather, you can visit Calistoga weather in June.
In comparing the weather of July and August, both months exhibit some similarities as well as slight variations. July features a minimum temperature of 12°C (53°F) and a maximum of 40°C (105°F), with an average temperature of 23°C (74°F) and a consistent humidity level of 70%. In contrast, August offers slightly lower minimum temperatures at 11°C (52°F) and a marginally higher maximum of 41°C (106°F), with a similar average of 23°C (73°F) and reduced humidity at 66%. Notably, both months experience no precipitation, making them dry periods. For a more detailed look at August's weather, see Calistoga weather in August.
In July, the weather is characterized by warm temperatures, with a minimum of 12°C (53°F) and an average of 23°C (74°F), peaking at a scorching maximum of 40°C (105°F). Notably, this month experiences no precipitation and high humidity levels at 70%. In contrast, September features slightly cooler conditions, with a minimum temperature of 7°C (46°F) and an average of 21°C (71°F), reaching a maximum of 43°C (109°F). While September does see a minimal amount of precipitation at 2 mm (0.1 in), it still boasts dry conditions with no rainy days and a humidity level of 68%. For more detailed insights, you can check Calistoga weather in September.
In July, the weather is characterized by a wide temperature range, with minimums of 12°C (53°F) and maximums soaring up to 40°C (105°F) under consistently dry conditions, as evidenced by 0 mm of precipitation. The average temperature is a warm 23°C (74°F), accompanied by a humidity level of 70%. In contrast, October presents a cooler climate with minimum temperatures dipping to 4°C (40°F) and daily averages around 18°C (64°F). While still warm, October sees its maximum temperatures reaching up to 37°C (99°F) and introduces greater humidity at 72%, along with significant precipitation of 38 mm (1.5 in) over two days. For a more detailed look at October's weather patterns, you can refer to Calistoga weather in October.
July and November present strikingly different weather patterns. In July, temperatures soar with a minimum of 12°C (53°F), an average of 23°C (74°F), and peaks reaching up to 40°C (105°F), accompanied by dry conditions with no recorded precipitation. Humidity sits at a relatively comfortable 70%. In contrast, November experiences a significant drop in temperatures, with minimums at 0°C (31°F), an average of 12°C (55°F), and a maximum of 29°C (84°F). This month also brings increased rainfall, totaling 51 mm (2.0 in) over five days, and a rise in humidity to 84%. For a more detailed look at November weather, check out Calistoga weather in November.
In July, the weather is characterized by warm temperatures, with a minimum of 12°C (53°F), an average of 23°C (74°F), and a scorching maximum of 40°C (105°F). This month boasts zero precipitation and a humidity level of 70%, making it a dry and sunny period. In stark contrast, December experiences much cooler conditions, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 23°C (74°F) and an average of 9°C (49°F). December also sees considerable rainfall, totaling 95 mm (3.7 in) over 8 days, alongside higher humidity at 84%. For more details on the December climate, visit Calistoga weather in December.
In July, Calistoga experiences a distinctive warmth that sets it apart from the rest of the year. With maximum temperatures soaring up to 40°C (105°F), the month is characterized by its dry and sunny conditions, boasting zero precipitation and high humidity levels. This stark lack of rain and consistently elevated temperatures create a perfect backdrop for outdoor activities, making it a prime time for visitors to explore the area. Unlike the cooler and often wetter months that precede and follow it, July offers a vibrant atmosphere filled with warmth and sunshine, just waiting to be enjoyed. For a deeper dive into Calistoga's climate throughout the year, visit Calistoga Climate.