January Weather in Castelldefels, Spain

Last updated: February 6, 2025

In January, Castelldefels, Spain, experiences a mild winter climate characterized by a maximum temperature of 20°C (68°F) and an average of 10°C (50°F), providing a comfortable backdrop for outdoor activities. The minimum temperature can dip to 3°C (38°F), reminding visitors of the season's chill. Rainfall is moderate, with a total precipitation of 59 mm (2.3 in) spread over approximately 6 days, contributing to the region's lush landscape. Coupled with a humidity level of 79%, the weather offers a unique blend of refreshing coastal air, making it an intriguing destination for those seeking a blend of warmth and the invigorating atmosphere of winter.

January Temperature in Castelldefels

In January, Castelldefels experiences cool yet inviting weather, with temperatures ranging from a brisk 3°C (38°F) at night to a pleasant 20°C (68°F) during the day, averaging around 10°C (50°F). As the month progresses, there's a subtle trend towards warming, foreshadowing the early spring days ahead. Compared to February, when the mercury dips slightly lower, peaking at 19°C (66°F) and averaging around 11°C (53°F), January offers a hint of what’s to come. This fluctuation continues into March and April, where temperatures gradually rise, showcasing the evolving climate of Castelldefels as it transitions from winter to spring. Overall, January serves as a refreshing start to the year, with its mild days and crisp nights laying the groundwork for the warmer months.

January Weather in Castelldefels: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Castelldefels, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505254576370767772665853
Data source: Temperature data for Castelldefels generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Castelldefels

In January, Castelldefels experiences an average precipitation of 59 mm (2.3 in), falling over approximately 6 days throughout the month. This marks a notable start to the year, with rainfall levels higher than in February and March, both at 47 mm. As spring approaches, precipitation tends to increase, peaking in April at 69 mm. Interestingly, while January has a relatively moderate amount of rain, it sets the stage for the wetter months ahead, particularly September and October, which receive 99 mm and 109 mm respectively. Overall, the trend shows a gradual increase in rainfall as the year progresses, culminating in the autumn months where Castelldefels sees its most significant precipitation.

January Precipitation Trends in Castelldefels

The chart displays monthly precipitation patterns in Castelldefels, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5947477039312838991098130
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Castelldefels

In January, Castelldefels experiences a relatively high humidity level of 79%, setting the tone for a winter infused with moist coastal air. As the months progress towards spring, humidity gradually declines, with February dropping to 74% and continuing to decrease to 71% in March. The trend eases into the warmer months, where humidity levels stabilize at around 64% from June to August, providing a pleasant atmosphere for summer activities. However, as autumn approaches, humidity begins to rise again, reaching 77% in October and returning to 79% by the end of the year in November and December. This cyclical pattern highlights Castelldefels’ distinctive maritime climate, where the interplay of seasonal changes influences humidity, creating varied yet consistent conditions throughout the year.

January Average Humidity in Castelldefels

This chart illustrates the average monthly humidity levels in Castelldefels, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Castelldefels

In January, Castelldefels, Spain, experiences a UV Index of 3, categorizing sun exposure as moderate with a burn time of approximately 30 minutes. This sets a precedent for the early part of the year, as UV levels gradually increase, peaking in the summer months. As winter transitions to spring, the UV Index rises, reaching 5 by March and climbing to 7 in April, where caution is advised due to increased sun intensity. The trend continues upward into late spring and summer, with indices of 9 and 10, corresponding to very high levels of UV exposure, which significantly reduce safe sun exposure times to just 15 minutes. As autumn arrives, the UV Index begins to decrease again, falling back to 3 in November and a low of 2 in December. This seasonal fluctuation highlights the importance of UV awareness year-round. To learn more about monitoring UV levels, visit Castelldefels UV Index.

Maximum UV Index Levels in Castelldefels for January

The chart shows the monthly maximum UV Index (UVI) for Castelldefels in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Castelldefels January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Castelldefels

In Castelldefels, Spain, January emerges from the shadows of winter with a welcoming 206 hours of sunshine, the month gradually transitioning towards the brighter days ahead. As February unfolds, sunlight increases to 264 hours, setting the stage for an invigorating spring. March and April continue to dazzle, with sunlight pouring in at 334 hours and 346 hours, respectively, inviting locals and visitors alike to revel in the beauty of their surroundings. By May, the golden rays flourish, peaking at 406 hours and paving the way for a brilliant summer. This trend crescendos in June and July, where the sun beams down for an impressive 413 and 425 hours, before slightly retreating in August with 396 hours. As autumn approaches, the daylight begins to wane, with September offering 338 hours and a softer, golden light. The shorter days continue through October and November, finally resting at 263 hours in December. Overall, Castelldefels enjoys a vibrant cycle of increasing sunshine, making each month a delightful experience of warmth and light.

Monthly Sunshine Duration in Castelldefels: January Highlighted

The January sunshine duration represents the total number of hours Castelldefels experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec206h264h334h346h406h413h425h396h338h311h265h263h
Data source: Castelldefels January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castelldefels During January

In January, Castelldefels, Spain, enjoys a 47% chance of sunny weather, setting the stage for a pleasant start to the year. While this figure is higher than February's 38%, it falls short of the 55% likelihood seen in March, suggesting a gradual upswing in sun-soaked days as spring approaches. Interestingly, the colder months—particularly October and November—also present a decent 44% chance of sunshine, indicating that the region maintains a relatively stable yet modest potential for clear skies. As summer beckons, the likelihood soars, peaking at 72% in July, showcasing the vibrant contrast between the winter and summer seasons. Thus, while January might not guarantee long sunlit days, the foundations are laid for warmer, sunnier months ahead.

Percentage of Sunny Days in January in Castelldefels

The chart illustrates the percentage of sunny days in Castelldefels throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Castelldefels experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%38%55%38%44%54%72%52%35%45%44%53%
Data source: Castelldefels January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castelldefels in January

In Castelldefels, Spain, January marks the beginning of the year with a modest 9 hours of daylight, a serene yet invigorating backdrop to the winter landscape. As February arrives, the days gradually brighten, reaching 10 hours, while March ushers in 11 hours, hinting at the approaching spring. The daylight truly flourishes in April and May, expanding to 13 and 14 hours respectively, invigorating the town with vibrant energy and activity. June peaks with 15 hours, offering long, sun-kissed days perfect for enjoying the beach. As summer shifts into fall, daylight begins its subtle retreat, with July and August offering 14 and 13 hours respectively. By September, daylight eases back to 12 hours, and the cycle continues towards November and December, where the hours dwindle back to 9, mirroring the pattern of renewal and rest that defines each passing season in this beautiful coastal town.

Average Daylight Hours in Castelldefels for January

The chart illustrates the variation in daylight duration in Castelldefels throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 33m10h 36m11h 57m13h 20m14h 30m15h 6m14h 47m13h 45m12h 25m11h 3m9h 50m9h 13m
Data source: Castelldefels daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Castelldefels

In January, the average wind speed in Castelldefels, Spain, is a brisk 4.8 m/s (11 mph), making it the windiest month of the year. As winter gives way to spring, the winds begin to ease, dropping to 4.1 m/s (9 mph) in February and continuing to decline through March and April, where it reaches a low of 3.5 m/s (8 mph). This gentle breeze serves as a calming backdrop to the region’s scenic beauty. Notably, from May onwards, winds slightly pick up, fluctuating between 3.5 m/s (8 mph) and 3.9 m/s (9 mph) during the warmer months. Overall, the trend reveals a pattern of strong gusts in the early year, transitioning into softer breezes as the seasons change, creating a serene atmosphere ideal for enjoying Castelldefels' stunning coastal landscape.

Average January Wind Speed in Castelldefels

The chart displays monthly wind speed patterns in Castelldefels, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.8 m/s4.13.63.53.93.33.53.23.73.44.44.1
Data source: Castelldefels January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Castelldefels Compares to Other Months

The weather in Castelldefels 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 Castelldefels and find detailed weather information for every month.

In January, the weather typically features a wider temperature range, with minimums around 3°C (38°F) and maximums reaching up to 20°C (68°F). Average temperatures hover around 10°C (50°F), accompanied by 59 mm (2.3 inches) of precipitation over about 6 days, resulting in a humidity level of 79%.

In contrast, February sees slightly milder conditions, with minimum temperatures of 2°C (37°F) and maximums of 19°C (66°F). The average temperature rises to 11°C (53°F), while precipitation decreases to 47 mm (1.9 inches) over the same 6 days, and humidity levels drop to 74%. This makes February a bit drier and warmer compared to January. For more detailed information, check out Castelldefels weather in February.

In January, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 20°C (68°F). Precipitation levels are relatively high at 59 mm (2.3 in), occurring over six days, and the humidity is quite elevated at 79%. In contrast, March offers a mild transition into spring, featuring slightly higher average temperatures ranging from 4°C (39°F) to 19°C (67°F) and a lower total precipitation of 47 mm (1.9 in), also across six days. Humidity decreases to 71%, making March feel a bit drier and more comfortable. For those interested in more details, check out Castelldefels weather in March.

In January, temperatures range from a minimum of 3°C (38°F) to a maximum of 20°C (68°F), with an average of 10°C (50°F), while April sees slightly warmer conditions with a minimum of 6°C (43°F) and an average of 14°C (57°F), reaching the same maximum of 20°C. Precipitation is relatively consistent between the two months, with January receiving 59 mm (2.3 in) over 6 days and April experiencing a bit more rainfall at 69 mm (2.7 in) across 9 days. Additionally, January has higher humidity levels at 79%, compared to April's 69%, making the latter month feel more comfortable overall. For more details, check Castelldefels weather in April.

In January, the weather in Castelldefels is generally cool, with temperatures ranging from a chilly 3°C (38°F) at night to a mild 20°C (68°F) during the day, averaging around 10°C (50°F). The month sees about 59 mm (2.3 in) of precipitation over approximately 6 days, contributing to a relatively high humidity level of 79%.

In contrast, May brings warmer conditions, with nighttime lows around 9°C (48°F) and daytime highs reaching up to 25°C (78°F), leading to a more comfortable average of 17°C (63°F). Rainfall decreases to about 39 mm (1.5 in), spread across 7 days, and humidity drops to a more pleasant 66%. This shift in weather makes May a more inviting time to visit. For more details, check Castelldefels weather in May.

In January, the weather presents a cool and somewhat damp atmosphere, with temperatures ranging from a chilly 3°C (38°F) at night to a mild 20°C (68°F) during the day. The month sees an average temperature of 10°C (50°F) and a notable level of humidity at 79%, along with 59 mm (2.3 in) of precipitation over about six days. In contrast, June offers a significantly warmer climate, with minimum temperatures starting at 14°C (58°F) and peaking at 28°C (83°F), resulting in a comfortable average of 21°C (71°F). The month enjoys clearer skies, as it only experiences 31 mm (1.2 in) of rain over five days, and the humidity decreases to 65%. For more specific insights on the weather in June, you can check Castelldefels weather in June.

When comparing the weather in January and July, there is a stark contrast in temperature and humidity levels. January experiences cooler temperatures with a minimum of 3°C (38°F) and an average of 10°C (50°F), while July boasts a much warmer climate with temperatures ranging from a minimum of 18°C (64°F) to an average of 24°C (76°F). January also sees more precipitation at 59 mm (2.3 in), spread over 6 days, compared to July’s 28 mm (1.1 in) over just 5 days. Additionally, the humidity in January is higher at 79%, while July has a more comfortable level of 64%. For a more detailed look at the summer climate, check out Castelldefels weather in July.

The comparison between January and August weather reveals a stark contrast in temperature and humidity. In January, the average temperature hovers around 10°C (50°F), with a minimum of 3°C (38°F) and a maximum of 20°C (68°F). The month experiences moderate rainfall of 59 mm (2.3 in) over about six days, coupled with relatively high humidity at 79%. In contrast, August boasts a much warmer climate, with average temperatures reaching 25°C (77°F) and highs of up to 32°C (90°F). Precipitation in August is notably lower, at 38 mm (1.5 in) over seven days, and the humidity drops to a more comfortable 64%. For those interested in exploring more about the summer weather, you can check out the detailed forecast here: Castelldefels weather in August.

When comparing the weather in January and September, we see notable differences in temperature and precipitation patterns. January features a cooler climate, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 20°C (68°F) and a relatively high humidity of 79%. In contrast, September enjoys a warmer average, with temperatures between 15°C (59°F) and 28°C (83°F), and lower humidity at 68%. Precipitation is also more frequent in September, averaging 99 mm (3.9 in) over 13 days, compared to January's 59 mm (2.3 in) over just 6 days. For more detailed insights, you can check out Castelldefels weather in September.

January and October showcase distinct weather patterns. In January, temperatures range from a chilly minimum of 3°C (38°F) to a comfortable average of 10°C (50°F), with a maximum of 20°C (68°F). During this month, there is an average precipitation of 59 mm (2.3 in) over about 6 days, coupled with a relatively high humidity of 79%. In contrast, October offers milder conditions with temperatures starting at a minimum of 9°C (49°F), peaking at an average of 19°C (66°F), and reaching a warm maximum of 25°C (77°F). This month sees increased rainfall, with 109 mm (4.3 in) spread over 11 days, while maintaining a slightly lower humidity of 77%. For more detailed insights on October weather, visit Castelldefels weather in October.

When comparing the weather between January and November, January tends to be cooler with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 20°C (68°F). In contrast, November features slightly milder temperatures, with averages ranging from 7°C (44°F) to 22°C (72°F). Precipitation levels are also higher in November, with 81 mm (3.2 in) falling over 9 days, compared to January's 59 mm (2.3 in) over just 6 days. Interestingly, both months maintain the same humidity level of 79%. For more detailed information, you can check out Castelldefels weather in November.

When comparing the weather in January and December, January tends to be slightly cooler with average temperatures ranging from 10°C (50°F) to a maximum of 20°C (68°F), while December shows a slightly warmer average of 12°C (53°F) with maximum temperatures capping at 18°C (65°F). Precipitation also differs between the two months; January sees more rain with 59 mm (2.3 in) over 6 days, compared to December's 30 mm (1.2 in) over just 4 days. Interestingly, both months maintain a consistent humidity level of 79%. For a more detailed look at December weather, check out Castelldefels weather in December.

Compare Castelldefels's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Castelldefels

As January settles over Castelldefels, the weather presents a stark contrast to the milder months that frame it. With cooler temperatures averaging around 10°C, residents experience a refreshing chill, especially with minimum dips to 3°C. This month is characterized by higher humidity levels at 79% and a moderate amount of precipitation, with about six days of rain contributing to the overall wet feel of the season. While the maximum temperature can reach a pleasant 20°C, the conditions prompt locals and visitors alike to bundle up and enjoy the cozy indoor atmosphere. For a deeper understanding of how January fits into the larger climate picture, explore Castelldefels Climate.