January Weather in Castro, Spain

Last updated: February 6, 2025

In January, the weather in Castro, Spain showcases a diverse range of temperatures, with a maximum reaching 19°C (67°F) and a minimum dipping to -5°C (23°F), leading to an average of 6°C (43°F). This month is characterized by a significant humidity level of 84%, contributing to the chilly atmosphere. With 79 mm (3.1 inches) of precipitation over approximately 10 days, residents and visitors can expect a mix of rainy spells interspersed with cooler, brisk days. This blend of conditions creates a unique winter experience in Castro, perfect for those who enjoy a serene and somewhat moody climate.

January Temperature in Castro

In January, temperatures in Castro, Spain present a chilly yet gradually warming trend, with minimums dipping to -5°C (23°F) and average highs reaching 19°C (67°F). This month serves as a transition from the colder grip of winter, showcasing an average temperature of 6°C (43°F). As January winds down, February brings a slight increase in warmth, hinting at early signs of spring with minimums of -3°C (27°F) and average maximums reaching 21°C (70°F). The overarching trend from January through March shows a consistent rise in temperatures, peaking in April as the landscape bursts with life and vibrancy, while still holding onto the crispness of winter. This gradual thaw sets the stage for an inviting spring season ahead, making Castro a fascinating place to experience the transformation of weather.

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

The chart illustrates January temperature patterns in Castro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434748525761666663564846
Data source: Temperature data for Castro generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Castro

In January, Castro, Spain, experiences a precipitation total of 79 mm (3.1 in) over approximately 10 days, marking the beginning of the year with a moderate amount of rainfall. While this amount is lighter compared to the subsequent month of February, which sees a significant increase to 106 mm (4.2 in), it sets the tone for the winter months. As the year progresses, precipitation peaks in December at 161 mm (6.3 in), creating a noticeable trend of increasing rainfall towards the end of the year. Overall, January stands out as a transitional month, bridging the gloomy wetness of winter with the heavier downpours that characterize the spring months ahead.

January Precipitation Trends in Castro

The chart displays monthly precipitation patterns in Castro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7910711682796627364696120161
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Castro

In January, Castro, Spain, experiences a high humidity level of 84%, setting the tone for the winter months. This figure slightly decreases to 83% in February and remains consistent throughout spring, with April and May maintaining similar humidity levels. As summer approaches, humidity dips to 82% in July, before reaching its lowest point of 78% in August. However, as autumn arrives, humidity begins to rise again, culminating in December's high of 85%. Overall, the trend reveals consistent winter and spring humidity, a summer lull, and a noticeable increase as the year closes, showcasing the region's characteristic dampness throughout the seasons.

January Average Humidity in Castro

This chart illustrates the average monthly humidity levels in Castro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%83%83%83%82%78%79%82%84%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Castro

In January, Castro experiences a low UV Index of 2, allowing for a longer exposure time of up to 45 minutes before sunburn becomes a concern. As the months progress, the UV Index gradually increases, reaching moderate levels in February (4) and then spiking to high levels in March (6). This upward trend continues into the warmer months, with April and May presenting very high indexes of 8 and 9, respectively, and drastically reducing burn times to just 15 minutes. By June, the situation intensifies further, peaking at an extreme UV Index of 11, before slightly tapering off again in July and August. As summer transitions to autumn, the UV Index declines, reaching moderate levels by November (3) and fading back to low in December. This seasonal fluctuation highlights a significant rise in UV exposure as the year progresses, making awareness essential for residents and visitors alike. For more detailed information, check out Castro UV Index.

Maximum UV Index Levels in Castro for January

The chart shows the monthly maximum UV Index (UVI) for Castro 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.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098632
Data source: Castro 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 Castro

In Castro, Spain, the month of January brings a gentle warmth as the sun graces the region with approximately 170 hours of sunshine. This sets the stage for a gradual increase in daylight as we transition into February with 230 hours, and witness a significant leap to 299 hours by March. Spring unfolds in April with a cheerful 337 hours, paving the way for the exuberance of May's 390 hours. As summer approaches, the sun reaches its peak in July at an impressive 421 hours. The radiant weather persists through August before beginning its slow retreat, allowing for a charming autumn with 338 hours in September. Overall, the trend intricately reveals a delightful progression from the soft sunlit beginnings of winter to the vibrant and bountiful rays of summer, culminating in a cozy wrap-up as the year winds down.

Monthly Sunshine Duration in Castro: January Highlighted

The January sunshine duration represents the total number of hours Castro 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.
JanFebMarAprMayJunJulAugSepOctNovDec170h230h299h337h390h387h421h392h338h298h228h191h
Data source: Castro January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castro During January

In Castro, Spain, the likelihood of enjoying sunny weather in January rests at 33%, reflecting a somewhat cloudy start to the year. This percentage shows a stark contrast to the brighter conditions expected in March, where the chances of sun jump to 50%. Interestingly, January shares the same likelihood as May, both offering a balanced mix of sunshine and clouds. As spring approaches, the probability of sunny days gradually increases, peaking in August with a remarkable 53% chance. This trend highlights a seasonal shift in Castro's weather, where the likelihood of sun typically improves as the year progresses, suggesting that while January may be gloomy, brighter days are just around the corner.

Percentage of Sunny Days in January in Castro

The chart illustrates the percentage of sunny days in Castro 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 Castro experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%16%50%39%33%42%43%53%33%37%42%32%
Data source: Castro January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castro in January

In Castro, Spain, January heralds the year with a modest 9 hours of daylight, gradually increasing as the months unfold. By February, the light extends to 10 hours, paving the way for the arrival of spring. March sees a delightful leap to 11 hours, while April luxuriates in 13 hours of sunlight, setting the stage for longer days ahead. As May fully embraces the season, daylight climbs to 14 hours, peaking in June at a vibrant 15 hours. The summer months gently transition into a gradual decline, with July sustaining 14 hours before easing to 13 hours in August. Autumn arrives with 12 hours in September, descending into 10 hours by October. As the year wanes, daylight dims back to 9 hours in both November and December, completing a cyclical dance of light that captures the essence of each season.

Average Daylight Hours in Castro for January

The chart illustrates the variation in daylight duration in Castro throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 24m14h 38m15h 15m14h 56m13h 50m12h 26m10h 59m9h 43m9h 4m
Data source: Castro daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Castro

In Castro, Spain, January breezes in with an average wind speed of 3.4 m/s (8 mph), providing a refreshing start to the year. As winter wanes into February, wind speeds pick up slightly to 4.1 m/s (9 mph), hinting at the approaching spring. However, the winds begin to mellow in March and April, dropping to 2.7 m/s (6 mph) and 2.5 m/s (6 mph), respectively, creating a calm and serene atmosphere. The gentle trend continues into the summer months, with consistent yet mild breezes around 2.6–3.1 m/s (6–7 mph), perfect for outdoor enjoyment. Interestingly, as autumn sets in, the wind speeds see a slight uptick, ending the year with January again holding steady at 3.4 m/s (8 mph). This cyclical ebb and flow of winds creates a unique climate, offering both invigorating gusts and tranquil moments throughout the year.

Average January Wind Speed in Castro

The chart displays monthly wind speed patterns in Castro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.4 m/s4.12.72.53.12.82.62.32.42.62.83.4
Data source: Castro January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Castro Compares to Other Months

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

January and February display distinct weather characteristics, although both months remain relatively cool. In January, temperatures range from a minimum of -5°C (23°F) to a maximum of 19°C (67°F), with an average of 6°C (43°F). It experiences about 79 mm (3.1 in) of precipitation over approximately 10 days, along with a high humidity level of 84%. In contrast, February sees slightly warmer conditions, with temperatures ranging from -3°C (27°F) to a maximum of 21°C (70°F), resulting in an average of 8°C (47°F). Precipitation increases to 106 mm (4.2 in) over around 12 days, with humidity remaining steady at 83%. For more detailed weather insights, you can visit Castro weather in February.

In comparison to January, March experiences a notable increase in average temperatures, rising from 6°C (43°F) to 9°C (48°F). March also brings higher maximum temperatures, soaring to 24°C (75°F) compared to January's peak of 19°C (67°F). Despite the milder temperatures, March sees increased precipitation with 116 mm (4.6 in) over 14 days, contrasting with January's 79 mm (3.1 in) over 10 days. Additionally, humidity remains relatively similar, with January at 84% and March slightly lower at 82%. For a detailed look at the weather during this month, check out Castro weather in March.

January and April present contrasting weather patterns despite their proximity in the calendar year. January experiences a chillier climate with minimum temperatures dropping to -5°C (23°F) and an average of 6°C (43°F), while April sees milder conditions, with lows of -3°C (26°F) and an average of 11°C (52°F). In terms of maximum temperatures, April reaches up to 25°C (77°F), a significant rise from January's max of 19°C (67°F). Both months receive similar amounts of precipitation, with January totaling 79 mm (3.1 in) over approximately 10 days and April slightly higher at 82 mm (3.2 in) over 13 days. Humidity remains relatively constant, with January at 84% and April slightly lower at 83%. For a closer look at April's weather specifics, you can check Castro weather in April.

In January, temperatures can be quite chilly, with a minimum of -5°C (23°F) and an average of 6°C (43°F). The month is marked by frequent precipitation, totaling 79 mm (3.1 in) over about 10 days, and high humidity levels averaging around 84%. In contrast, May experiences a milder climate with a minimum temperature of 1°C (35°F) and an average of 14°C (58°F). Daytime highs can reach up to 30°C (86°F), and while the total precipitation remains similar at 79 mm (3.1 in), it occurs over 12 days, with humidity slightly lower at 83%. For more detailed information on May weather, you can visit Castro weather in May.

January and June present notably different weather conditions. In January, temperatures range from a chilly -5°C (23°F) to a mild 19°C (67°F), with an average of 6°C (43°F). This month experiences higher precipitation at 79 mm (3.1 in) over about 10 days, all while maintaining a humidity level of 84%. In contrast, June exhibits a more temperate climate, with temperatures ranging from 4°C (40°F) to a hot 33°C (92°F) and an average of 16°C (62°F). Precipitation decreases to 66 mm (2.6 in) across 12 days, and the humidity remains relatively consistent at 83%. These variations highlight the seasonal transition from the cold, wet conditions of January to the warm, drier atmosphere of June. For more specific details, you can check out Castro weather in June.

January and July present quite a contrast in weather characteristics. In January, temperatures range from a chilly -5°C (23°F) at night to a milder 19°C (67°F) during the day, with an average of 6°C (43°F). This winter month sees considerable precipitation, averaging 79 mm (3.1 in) over about 10 days, coupled with high humidity at 84%. In stark contrast, July brings warmer conditions, with minimum temperatures around 7°C (45°F) and maximums reaching 33°C (91°F), resulting in an average temperature of 19°C (66°F). Precipitation dramatically decreases to just 27 mm (1.1 in) over 7 days, along with humidity slightly dropping to 82%. For more detailed insights, check out Castro weather in July.

In January, the weather is notably chillier, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 19°C (67°F), and a high level of humidity at 84%. The month typically experiences around 79 mm (3.1 in) of precipitation over 10 days, making it a rather wet and cold time of year. In contrast, August brings a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 35°C (95°F) and an average of 19°C (66°F). Precipitation is significantly lower at 36 mm (1.4 in), spread across just 6 days, and humidity is slightly reduced at 78%. For a detailed look at the August weather, check out Castro weather in August.

In January, the weather is characterized by colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (43°F), while reaching a maximum of 19°C (67°F). The month sees higher precipitation, totaling 79 mm (3.1 in) over about 10 days, along with a significant humidity level of 84%. In contrast, September brings a warm reprieve, with temperatures ranging from a minimum of 3°C (38°F) to an average of 17°C (63°F), peaking at a high of 33°C (92°F). This month experiences less precipitation, only 46 mm (1.8 in) across approximately 9 days, and a slightly lower humidity of 79%. For more details about the weather in September, you can visit Castro weather in September.

In January, the weather tends to be quite cold, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 19°C (67°F). The month sees an average temperature of 6°C (43°F), coupled with 79 mm (3.1 in) of precipitation over 10 days and a high humidity level of 84%. In contrast, October offers much milder conditions, with temperatures varying from a minimum of 2°C (35°F) to a warmer maximum of 30°C (87°F). The average temperature during this month is 14°C (57°F), and precipitation slightly increases to 96 mm (3.8 in) over 12 days, with humidity at 82%. For more details on October weather, check out Castro weather in October.

January and November present distinct weather patterns, with January generally colder. In January, temperatures range from a minimum of -5°C (23°F) to a maximum of 19°C (67°F), averaging around 6°C (43°F). In contrast, November features milder temperatures, with a minimum of -1°C (31°F) and an average of 9°C (49°F), while still peaking at 19°C (67°F). Precipitation is also higher in November, totaling 120 mm (4.7 in) over 15 days compared to January's 79 mm (3.1 in) across 10 days. Interestingly, both months share the same humidity level of 84%. For more detailed insights, you can visit Castro weather in November.

In January, temperatures typically range from a minimum of -5°C (23°F) to a maximum of 19°C (67°F), with an average temperature of 6°C (43°F). In contrast, December sees slightly milder temperatures, with a minimum of -4°C (26°F) and a maximum of 16°C (62°F), averaging 8°C (46°F). Precipitation levels also differ between the two months, with December receiving significantly more rainfall at 161 mm (6.3 in) over 16 days compared to January's 79 mm (3.1 in) over just 10 days. Humidity levels are similar, with January at 84% and December slightly higher at 85%. For a detailed look at the weather patterns, you can check Castro weather in December.

Compare Castro's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Castro

January in Castro brings a distinct change in weather, with cooler temperatures that peak at a mild 19°C and often drop below freezing during the night. This month is marked by higher humidity levels, averaging 84%, and a noteworthy amount of precipitation that results in about 10 wet days. Compared to the milder and drier months of summer, January offers a chillier experience that can feel quite refreshing. For those wanting to delve deeper into what Castro has to offer throughout the year, you can check out the comprehensive details at Castro Climate.