Last updated: February 24, 2025
In January, Calistoga experiences a dynamic weather pattern, characterized by a maximum temperature reaching 25°C (77°F), while the average temperature hovers around a cooler 9°C (49°F). This month sees a sharp drop in temperatures at night, with a minimum of -1°C (30°F). Rainfall is notable, with precipitation totaling 137 mm (5.4 in) over 8 days, contributing to the region's lush landscape. High humidity levels at 86% create a refreshing atmosphere, making Calistoga a unique blend of warm days and crisp nights during this winter month.
In Calistoga, January temperatures range from a chilly -1°C (30°F) at night to a pleasant 25°C (77°F) during the day, resulting in an overall average of 9°C (49°F). This month serves as a transition from the coldest winter days to the budding promise of spring, hinting at the warmer months ahead. With daytime highs that can reach well into the mid-20s Celsius, it's clear that January offers both brisk mornings and sunlit afternoons, perfect for layering up during chilly outings or enjoying the sun as it warms the vineyards. As the month progresses towards February, slight increases in both minimum and maximum temperatures signal the gradual awakening of nature, setting the stage for a vibrant shift into the following months.
January in Calistoga marks the heart of the region's wet season, where the average precipitation reaches a significant 137 mm (5.4 in) over approximately 8 days. This sets a vibrant tone for the year, with rainfall peaking slightly higher in February at 141 mm (5.6 in), before gradually declining as the months progress. The transition to drier weather begins in March with just 92 mm of rain across 10 days, ultimately tapering off to negligible amounts in the summer months of June and July, which see 0 mm. The pattern of declining precipitation continues towards the end of the year, with December experiencing 95 mm over 8 days. This trend underscores a clear seasonal shift, with January serving as a crucial month in replenishing the region's water resources before the drier periods set in.
In Calistoga, January ushers in a humid start to the year, with average humidity levels reaching 86%. This elevated moisture lingers into February, though it gently tapers off to 84%. As spring approaches, March and April bring slightly lower humidity levels of 83% and 80% respectively, indicating a gradual shift towards a drier season. The trend continues into the warmer months, with June and July showcasing even more comfortable conditions at 76% and 70%. By August, the humidity dips to 66%, the lowest point of the year, before modest increases in September and October, where levels hover around 68% and 72%. As winter returns in November and December, humidity rises again to 84%, closing the year on a consistently moist note. Overall, January sets the stage for a pattern of gradual humidity decrease as the seasons progress, creating a vibrant and refreshing climate for Calistoga's visitors.
In Calistoga, the UV Index in January is rated at 3, indicating a moderate level of sun exposure, with a burn time of about 30 minutes. As the month progresses into February, the index rises to 5, but the burn time remains the same. This trend of increasing UV levels continues into the spring and summer months, peaking at a 11 in both June and July, categorized as extreme, which significantly reduces safe exposure time to just 10 minutes. Notably, the UV Index drops again with the arrival of fall and winter; by December, it returns to a moderate 3. This seasonal cycle highlights the importance of sun safety awareness as the intensity of UV radiation fluctuates throughout the year. For more insights on UV levels, visit Calistoga UV Index.
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In Calistoga, January marks the beginning of the year with 141 hours of sunshine, setting a tranquil stage as winter lingers. However, the days gradually brighten, revealing a remarkable increase in sunlight hours that peaks in the summer months. By July, residents and visitors can bask in an impressive 394 hours of sunshine, epitomizing the warm, radiant days the region is known for. As the year progresses, the trend shifts—though sunshine hours begin to decline in late summer, even November still boasts a respectable 220 hours. This annual cycle showcases Calistoga's transition from cozy winter days to vibrant summer heat, making it a year-round destination for sun-seekers.
In Calistoga, January brings a 37% chance of sunny weather, making it one of the cloudier months of the year. As the season progresses into February, the likelihood of sunshine jumps significantly to 59%, marking the beginning of a noticeable trend toward clearer skies. By March, the chances enhance further to 62%, and this upward trajectory continues, with April reaching 72% and May boasting an impressive 85%. The summer months maintain this sunny disposition, with chances peaking at 88% in both June and August. Thus, while January may still hold onto some gray days, residents and visitors can look forward to brighter horizons as winter transitions into spring.
In Calistoga during January, residents can enjoy approximately 9 hours of daylight, marking the beginning of a gradual annual increase in sunlight. This trend continues as February brings an extra hour, reaching 10 hours, and by March, daylight extends to 11 hours. With the arrival of spring, April heralds longer days at 13 hours, peaking in summer with both June and July providing a generous 14 hours of daylight. As the seasons transition, daylight begins its slow retreat, with August offering 13 hours and September 12 hours. The descent continues into autumn, with daylight tapering to 10 hours in November and returning to 9 hours by December, mirroring the cycle that began the year. This rhythmic ebb and flow of daylight not only highlights the changing seasons but also enriches the local atmosphere throughout the year.
In Calistoga, January ushers in a gentle breeze, with an average wind speed of 1.8 m/s (4 mph), setting a serene tone for the year ahead. As winter transitions into early spring, there's a slight uptick in wind speed, peaking in March and dipping modestly in April. The wind tends to pick up through late spring into May, when it reaches 2.5 m/s (6 mph), before settling back into the tranquil rhythm of summer. Interestingly, the calm winds of July and August, repeating at 1.8 m/s (4 mph), reveal a pattern of seasonal stillness, only to slightly increase again as autumn approaches. Overall, January's soothing winds reflect the peacefulness of the season, while hinting at the gradual shifts that follow in the months ahead.
The weather in Calistoga changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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.
January and February offer relatively mild weather, with February showing slightly colder minimum temperatures, dipping to -3°C (27°F) compared to January’s -1°C (30°F). However, February boasts a slightly warmer average high temperature of 27°C (80°F) against January's maximum of 25°C (77°F). Precipitation levels are quite similar, with January accumulating 137 mm (5.4 in) over 8 days and February seeing a bit more at 141 mm (5.6 in) over just 7 days. Humidity remains high in both months, with January at 86% and February slightly lower at 84%. For a closer look at February's weather specifics, you can check Calistoga weather in February.
In January, the weather exhibits a broader temperature range with minimums dipping to -1°C (30°F) and maximums reaching up to 25°C (77°F), resulting in an average temperature of 9°C (49°F). The month is characterized by higher precipitation levels at 137 mm (5.4 in) over 8 days and higher humidity at 86%. In contrast, March sees a slight increase in average temperature to 11°C (53°F) and a peak of 29°C (85°F), while precipitation decreases to 92 mm (3.6 in) spread over 10 days. Additionally, humidity dips slightly to 83%. For a more detailed look at March weather specifics, check out Calistoga weather in March.
January and April showcase a notable contrast in weather patterns. January offers cooler temperatures with a minimum of -1°C (30°F) and an average of 9°C (49°F), peaking at a maximum of 25°C (77°F). The month is quite wet, receiving 137 mm (5.4 in) of precipitation over 8 days, and maintaining high humidity at 86%. In contrast, April experiences milder temperatures, starting at a minimum of 2°C (36°F) and averaging 15°C (59°F), with highs reaching up to 33°C (92°F). The precipitation in April drops significantly to 39 mm (1.5 in) over just 5 days, and the humidity decreases slightly to 80%. For more details on April weather, you can refer to Calistoga weather in April.
In January, the weather is quite varied, with temperatures ranging from a chilly -1°C (30°F) to a warm 25°C (77°F), accompanied by significant precipitation of 137 mm (5.4 in) over approximately 8 days, leading to a high humidity level of 86%. In contrast, May brings milder conditions, featuring a minimum temperature of 4°C (39°F) and a maximum soaring to 37°C (99°F), with an average of 18°C (64°F). The month is relatively dry, with only 23 mm (0.9 in) of precipitation over just 3 days and a lower humidity of 80%. For more details on the weather in May, check out Calistoga weather in May.
The weather in January is noticeably cooler and wetter than in June. January experiences average temperatures ranging from a chilly 9°C (49°F) to a maximum of 25°C (77°F), while June sees much warmer conditions with averages of 22°C (72°F) and peaks reaching an alarming 42°C (107°F). Additionally, January is marked by higher precipitation, with 137 mm (5.4 in) falling over 8 days, compared to the nearly dry conditions of June, which records only 2 mm (0.1 in) with no rainy days. The humidity in January is also higher at 86%, while June's humidity drops to a more comfortable 76%. For more detailed information, you can check out Calistoga weather in June.
In January, the weather presents a cool and varied climate with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 25°C (77°F), averaging around 9°C (49°F). This month also experiences significant precipitation, totaling 137 mm (5.4 in) over 8 days, accompanied by high humidity at 86%. In contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 12°C (53°F) to a scorching maximum of 40°C (105°F), averaging around 23°C (74°F). Notably, July is dry, with no recorded precipitation and lower humidity at 70%. For a more detailed look at the weather in July, check out Calistoga weather in July.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 25°C (77°F). This month experiences significant precipitation at 137 mm (5.4 in) over an average of 8 days, coupled with high humidity levels at 86%. In contrast, August offers a much warmer climate, with temperatures starting at a minimum of 11°C (52°F) and soaring to a scorching maximum of 41°C (106°F). Remarkably, August is dry, recording no precipitation at all, and features lower humidity at 66%. For more detailed information, you can visit Calistoga weather in August.
In comparison, January and September exhibit striking differences in weather patterns. January experiences cooler temperatures, with a minimum of -1°C (30°F) and an average of 9°C (49°F), reaching a maximum of 25°C (77°F). This month also sees significant precipitation, averaging 137 mm (5.4 in) over 8 days, and high humidity levels at 86%. In contrast, September boasts a milder climate, with a minimum temperature of 7°C (46°F), an average of 21°C (71°F), and soaring highs of up to 43°C (109°F). Notably, this month is characterized by minimal precipitation, just 2 mm (0.1 in) and no rainy days, along with lower humidity at 68%. For more detailed insights, you can explore Calistoga weather in September.
January and October present distinct contrasts in weather patterns. January typically experiences cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 25°C (77°F), and is characterized by higher precipitation, averaging 137 mm (5.4 in) over about 8 days. The humidity level is notably high at 86%. In contrast, October enjoys milder conditions with temperatures ranging from a minimum of 4°C (40°F) to a more comfortable maximum of 37°C (99°F). Precipitation drops significantly to just 38 mm (1.5 in) across only 2 days, and the humidity is more moderate at 72%. For more details, check out Calistoga weather in October.
In comparing the weather between January and November, January tends to be cooler overall, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 25°C (77°F). In contrast, November has a slightly milder average temperature, from 0°C (31°F) to a maximum of 29°C (84°F). Additionally, January experiences significantly more rainfall, with 137 mm (5.4 in) over 8 days, compared to November’s 51 mm (2.0 in) over just 5 days. Despite the higher humidity in January, which stands at 86%, November's humidity remains close at 84%, offering a relatively comfortable atmosphere. For a more detailed look at the climate, you can explore Calistoga weather in November.
In comparing the weather between January and December, both months exhibit similar temperature ranges, with January having a maximum of 25°C (77°F) and December slightly cooler at 23°C (74°F). The minimum temperatures remain the same at -1°C (30°F) for both months, while the average temperatures hold steady at around 9°C (49°F). However, January experiences a higher level of precipitation, totaling 137 mm (5.4 in) over 8 days compared to December’s 95 mm (3.7 in) over the same number of days, reflecting a wetter climate at the start of the year. Additionally, humidity levels are slightly higher in January at 86%, compared to December's 84%. For more information, you can check Calistoga weather in December.
As January rolls into Calistoga, the weather presents a refreshing contrast to the warmer months. With average temperatures dipping significantly, the crisp air and occasional chilly nights invite visitors to embrace the cozy side of this charming town. Humidity levels peak at 86%, adding a unique touch to the winter vibe, while rainfall occurs on about eight days, softening the landscape with a total precipitation of 137 mm. This blend of cool temperatures and moist conditions makes January a serene time for those looking to escape the sweltering heat of summer. For more detailed insights, check out Calistoga Climate.