Last updated: February 6, 2025
December in San Jose, Spain, offers a mild climate characterized by a maximum temperature reaching 19°C (67°F), an average of 15°C (59°F), and a minimum of 10°C (50°F). With a total precipitation of 24 mm (0.9 in) over just 2 days, the month remains relatively dry, creating a pleasant environment for outdoor activities. Humidity levels linger around 74%, contributing to a refreshing atmosphere typical of the season. As winter settles in, San Jose provides a unique blend of comfortable temperatures and occasional rain, making it an inviting destination during this time of year.
In December, San Jose, Spain experiences a transition into winter, marked by mild temperatures that provide a cozy yet invigorating atmosphere. With minimums around 10°C (50°F) and averages hovering near 15°C (59°F), it's a time when locals and visitors alike can enjoy outdoor activities without the chill typically associated with winter months. The highs reach a pleasant 19°C (67°F), making it ideal for exploring the picturesque surroundings. This month serves as a gentle lead-in to the colder winter season, with temperatures gradually dropping from the warmer autumn months, yet still offering a comfortable climate perfect for holiday festivities and cultural events.
In December, San Jose, Spain experiences a notable shift towards wetter weather as it wraps up the year. With 24 mm (0.9 in) of precipitation over just 2 days, the month maintains a moderate level of rainfall, slightly less than November's total but still indicative of the transition into cooler, wetter months. After a drier summer, December serves as a reminder of the region's seasonal variations, with rainfall gradually increasing from an almost dry July and August. This month typically ushers in a period of more substantial rain, reflecting seasonal patterns that see a gradual uptick in precipitation from the relatively dry prior months. Overall, December stands out as a crucial point in the rainfall calendar, setting the stage for the wetter winter ahead.
In San Jose, Spain, December wraps up the year with a humidity level of 74%, mirroring the slightly damp atmosphere typical of October. Throughout the year, humidity exhibits a gradual decline from a peak of 72% in January to its low of 64% in May, only to rise again in the latter months. This trend highlights a seasonal variation, where warmer months, particularly from June to August, maintain a moderate humidity level around 65% to 71%, while late autumn and winter months signal a return to higher moisture levels. As December arrives, residents can expect a chill in the air, complemented by the heightened humidity that seems to set the stage for the wet and cooler months ahead.
December in San Jose, Spain, sees a moderate UV Index of 3, similar to the earlier months of the year like January and November. As the year winds down, outdoor enthusiasts can enjoy approximately 30 minutes of safe sun exposure without significant risk of sunburn. This lowest UV Index of the year indicates a trend towards less intense sun exposure during the winter months, contrasting sharply with the summer peaks of 11 in June and July, when burn times drop to just 10 minutes. As you navigate the winter sun, understanding these patterns can help you plan your outdoor activities safely. For more details, check out the San Jose UV Index.
UV Risk Categories
In December, San Jose enjoys a modest 278 hours of sunshine, marking a slight dip from the vibrant glow of earlier months. This tranquil month contrasts with the sun-drenched July and June, which boast 415 and 407 hours, respectively, showcasing the peak brightness of summer. As the year winds down, daylight hours gradually decrease from the bright spring months, with March and April basking in 337 and 355 hours of sunshine. Interestingly, December's sunshine is still brighter than the chilly depths of January, which starts the year with just 225 hours. This trend highlights how, even in the cusp of winter, San Jose's pleasant climate provides a comforting retreat from the winter blues, inviting visitors to bask in its December hue.
In December, San Jose, Spain, enjoys a 59% chance of sunny weather, marking a notable trend as the year concludes. This percentage reflects a slight dip from the previous month’s 72%, yet remains higher than the early winter months of January and February, which see chances of sunshine at 56% and 53%, respectively. It's interesting to observe that December's likelihood fits comfortably within the overall pattern of increasing sun exposure from late spring through summer, peaking in July with an impressive 88%. By the time December rolls around, the city typically experiences a mix of sunny days, providing a pleasant yet slightly cooler respite as the festivities of the season unfold.
As December settles in San Jose, Spain, daylight dips to a modest 9 hours, echoing the trend of shorter days characteristic of winter. This decrease marks a gradual decline from the longer summer days, which basked in 14 hours of daylight during the peak months of June, July, and August. From the vibrancy of spring's 13 hours in April to the softening twilight of November's 10 hours, each month showcases a rhythmic ebb and flow of light. While December may feel subdued, it serves as a precursor to the gradual lengthening of days that begins anew in January, promising a return to the sunlight that the region eagerly anticipates.
As December settles over San Jose, Spain, the winds whisper a gentle reminder of the season's transition, with an average speed of 5.6 m/s (13 mph). This slight uptick from November's calm conditions reflects a subtle resurgence in wind activity as the year draws to a close. In contrast to the year’s earlier months, where wind speeds peaked in February at 7.1 m/s (16 mph), December's breeze remains a serene counterpart to the stronger gusts experienced in spring. Overall, this month embodies a cozy, tranquil atmosphere, as the cooler temperatures usher in a wind that still carries the vibrancy of changing seasons, marking a delicate balance between warmth and the crispness of winter.
The weather in San Jose changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in San Jose and find detailed weather information for every month.
In December, San Jose experiences milder temperatures, with a minimum of 10°C (50°F) and an average of 15°C (59°F), while January sees a slight drop with minimums around 7°C (45°F) and an average of 13°C (56°F). Although January's maximum temperature is slightly lower at 18°C (65°F) compared to December's 19°C (67°F), it brings more precipitation, totaling 31 mm (1.2 in) over 4 days, in contrast to December's 24 mm (0.9 in) over just 2 days. Humidity levels remain relatively similar, with December at 74% and January slightly lower at 72%. For more detailed information, check out San Jose weather in January.
In December, the weather in San Jose features an average temperature of 15°C (59°F), with a mild range from a minimum of 10°C (50°F) to a maximum of 19°C (67°F). The month experiences about 24 mm (0.9 in) of precipitation over 2 days, contributing to a humidity level of 74%. In contrast, February sees slightly cooler temperatures, averaging 14°C (58°F) with a minimum of 9°C (49°F) and a maximum of 18°C (65°F). Precipitation decreases to 12 mm (0.5 in) over 3 days, and humidity is just a touch lower at 71%. This comparison highlights the subtle differences between the two months while maintaining generally mild and pleasant conditions. For more detailed information, you can check San Jose weather in February.
In December, the weather in San Jose features milder temperatures with a minimum of 10°C (50°F) and a maximum of 19°C (67°F), alongside an average temperature of 15°C (59°F). The month experiences about 24 mm (0.9 in) of precipitation over just 2 days, contributing to a relatively high humidity level of 74%.
In contrast, March brings slightly warmer conditions, with the maximum temperature rising to 20°C (68°F) while maintaining the same minimum of 10°C (50°F) and an average of 15°C (59°F). However, this month sees increased rainfall with 32 mm (1.2 in) over 5 days and a decrease in humidity to 69%. For more detailed insights on the weather during this month, you can check San Jose weather in March.
December and April present distinct weather patterns in terms of temperature and precipitation. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 19°C (67°F), with an average of 15°C (59°F). The month sees relatively low precipitation at 24 mm (0.9 in) over just 2 days, along with a humidity level of 74%. In contrast, April experiences slightly warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 21°C (70°F), averaging 16°C (61°F). However, it is wetter, with rainfall totaling 39 mm (1.5 in) across 6 days, and lower humidity at 66%. For more detailed insights about weather conditions in April, you can visit San Jose weather in April.
In December, the weather is cooler with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 19°C (67°F), accompanied by higher humidity levels at 74%. The month typically experiences a bit more precipitation, totaling around 24 mm (0.9 in) over two days. In contrast, May brings warmer and more comfortable conditions, with average temperatures rising from a minimum of 14°C (57°F) to a pleasant maximum of 25°C (76°F) and lower humidity at 64%. Additionally, May sees significantly less rainfall, with only 11 mm (0.4 in) occurring over just one day. For more detailed information on the weather during this month, check out San Jose weather in May.
December weather in San Jose is characterized by milder temperatures, with a minimum of 10°C (50°F) and an average of around 15°C (59°F), reaching a maximum of 19°C (67°F). This month sees a higher level of humidity at 74% and experiences light precipitation on approximately two days, totaling 24 mm (0.9 in). In contrast, June boasts warmer conditions, featuring a minimum temperature of 18°C (65°F) and an average of 22°C (72°F), peaking at 28°C (83°F). The humidity drops to 65% and precipitation is minimal, occurring only once with just 6 mm (0.2 in) recorded. For more detailed information, you can check San Jose weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures range from a mild 10°C (50°F) at night to a pleasant 19°C (67°F) during the day, accompanied by around 24 mm (0.9 in) of rainfall over just two days, resulting in a humidity level of 74%. In contrast, July experiences warmer temperatures, with nighttime lows of 21°C (69°F) and highs peaking at 29°C (85°F), and is notably dry, with no recorded precipitation throughout the month and a slightly lower humidity of 71%. For a closer look at the summer weather, you can check out San Jose weather in July.
In December, the weather is quite mild, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 19°C (67°F), and an average temperature of 15°C (59°F). The month experiences a bit of rainfall, with 24 mm (0.9 in) spread over two days, contributing to a relatively high humidity level of 74%. In contrast, August brings warmer conditions, featuring a minimum of 20°C (69°F) and reaching up to 31°C (88°F), with an average temperature of 26°C (79°F). This summer month enjoys significantly less precipitation, totaling just 10 mm (0.4 in) and no rainy days, alongside lower humidity at 69%. For more details on the weather in August, you can check San Jose weather in August.
When comparing the weather in December and September, December tends to be cooler, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 19°C (67°F), while September enjoys milder conditions, with temperatures varying from a low of 18°C (66°F) to a high of 28°C (83°F). Both months experience similar levels of precipitation, with December receiving 24 mm (0.9 in) and September slightly higher at 26 mm (1.0 in), although both months have only two days of rainfall. Additionally, December exhibits a slightly higher humidity level at 74%, compared to September's 70%. For a detailed insight into September weather specifically, you can check San Jose weather in September.
December's weather is noticeably cooler than October's, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 19°C (67°F), compared to October's warmer range of 13°C (56°F) to 26°C (79°F). While both months have similar humidity levels at 74%, December experiences less precipitation, with 24 mm (0.9 in) over 2 days compared to October's 29 mm (1.1 in) over 3 days. For a more detailed look at October's climate, you can check out San Jose weather in October.
In December, the weather is slightly cooler than in November, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 19°C (67°F), compared to November’s warmer range of 12°C (54°F) to 23°C (73°F). While December experiences less precipitation at 24 mm (0.9 in) over 2 days, November sees heavier rainfall of 31 mm (1.2 in) spread out over 5 days. Additionally, humidity levels remain similar, with December at 74% and November at 72%. For more detailed comparisons, you can check San Jose weather in November.
As December settles in San Jose, the weather begins to transition into a cooler and more pleasant phase, offering a welcome change from the warmer months. With average temperatures hovering around 15°C (59°F), the month provides a comfortable escape from the heat, making outdoor activities enjoyable. While precipitation remains low with just a couple of rainy days, humidity levels linger at a moderate 74%, adding a crispness to the air. This month stands out as a time of tranquil beauty, leading seamlessly into the vibrant celebrations of the festive season. For more detailed insights, check out San Jose Climate.