January Weather in Spetses, Greece

Last updated: August 21, 2025

In January, Spetses, Greece offers a mild winter experience characterized by an average temperature of 12°C (53°F), with highs reaching up to 21°C (69°F) and lows dipping to 3°C (38°F). Visitors can expect moderate humidity levels around 76%, alongside about 53 mm (2.1 in) of rainfall spread across 8 days. This blend of cool temperatures and intermittent showers makes for a refreshing yet comfortable atmosphere, perfect for exploring the island’s scenic beauty during the quieter winter months.

January Temperature in Spetses

January in Spetses, Greece, offers a charming blend of winter coolness and mild Mediterranean warmth. With temperatures ranging from a minimum of 3°C (38°F) to a pleasant maximum of 21°C (69°F), the month typically sees an average temperature of 12°C (53°F), encouraging outdoor activities without the intensity of summer heat. As the month progresses, the gradual rise in nighttime lows and overall averages hints at the approaching spring. This transitional period not only showcases the island's serene beauty but also invites visitors to enjoy peaceful strolls along the coastline, setting the perfect tone for the months to come.

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

The chart illustrates January temperature patterns in Spetses, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spetses, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec535556606774808177706458
Data source: Temperature data for Spetses 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 Spetses

January in Spetses, Greece, ushers in a season of gentle rainfall, with an average precipitation of 53 mm (2.1 in) over 8 days. This marks the tail end of the winter months, where the skies are often graced with clouds, slightly dampening the mild temperatures. Following January, February sees a slight increase in precipitation to 55 mm (2.1 in), but as spring approaches in March, the showers begin to taper off to just 35 mm (1.4 in) over 4 days. This gradual decline continues through April and May, suggesting a shift towards a dry, sun-kissed summer. The data illustrates a clear trend: Spetses experiences its wettest months at the beginning and end of the year, while the summer months remain mostly dry, making it a perfect destination for sun-seekers.

January Precipitation Trends in Spetses

The chart displays monthly precipitation patterns in Spetses, 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. In Spetses, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec535535251192632285555
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Spetses

In January, Spetses, Greece experiences a notable humidity level of 76%, setting the tone for a winter characterized by relatively moist air. This slight increase in humidity continues into February, dipping slightly to 75% before gradually decreasing to 74% in March. As spring unfolds, the humidity remains stable in April at 75%, with a mild rise to 77% in May, suggesting a transition into the warmer months. The summer brings a refreshing dip, with humidity levels dropping to a low of 63% in August, providing a welcome respite from the more humid winter and spring months. As autumn approaches, humidity begins to climb again, reaching 72% in October and returning to 75% by November, only to stabilize at 76% again in December. This cyclical pattern demonstrates how Spetses enjoys a blend of humidity, with a clear trend of higher levels in winter and spring, contrasting with the drier, more temperate conditions of summer.

January Average Humidity in Spetses

This chart illustrates the average monthly humidity levels in Spetses, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Spetses is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%77%72%68%63%65%72%75%76%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Spetses

In January, Spetses, Greece experiences a moderate UV Index of 3, allowing for a burn time of approximately 30 minutes—ideal for enjoying the crisp winter sun. As the months progress, the UV Index rises, peaking at 10 during the summer months from May to August, where exposure becomes very high and the burn time drops to a mere 15 minutes. The transition from February's moderate index of 5 to the high levels in March signals the approach of spring, setting the stage for brighter days ahead. By September, there's a slight decrease to an 8, but the sun remains potent. Overall, Spetses reveals a clear trend of increasing UV intensity as the year progresses, emphasizing the importance of sun protection during the sunnier months—details can be found at Spetses UV Index.

Maximum UV Index Levels in Spetses for January

The chart shows the monthly maximum UV Index (UVI) for Spetses 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. In January, the maximum UV index in Spetses typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568101010108743
Data source: Spetses 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 Spetses

In January, Spetses greets the new year with a modest 216 hours of sunshine, casting a gentle glow over the island. As the months progress, sunshine becomes more abundant, culminating in the vibrant peak of July, boasting 422 hours of sunshine. This upward trend showcases the island's increasing warmth and longer days, enticing visitors to embrace the outdoors. August sees a slight dip to 394 hours, yet the sun still dominates the landscape. As summer fades, the sunshine begins to retreat, with October offering a still respectable 320 hours, while November and December present more subdued hours of 268 and 258 respectively. Overall, the journey from the crisp beginnings of January to the sun-soaked heights of mid-summer reflects not only the changing seasons but also the irresistible allure of Spetses throughout the year.

Monthly Sunshine Duration in Spetses: January Highlighted

The January sunshine duration represents the total number of hours Spetses 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.
JanFebMarAprMayJunJulAugSepOctNovDec216h263h334h347h400h410h422h394h347h320h268h258h
Data source: Spetses January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Spetses During January

January in Spetses, Greece, presents a 51% chance of sunny weather, marking it as a transitional month in the coastal paradise. As winter gradually yields to spring, the likelihood of sunshine starts to climb, with February boasting a notable 67%. This upward trend continues into March and April, where sunny days become increasingly common, reaching 61% and 57% respectively. As the year progresses into the vibrant months of May through August, the sunniest days dominate, peaking at an impressive 96% during the height of summer. Thus, while January offers a moderate chance for sunshine, the months that follow rapidly enhance the appeal of this charming destination.

Percentage of Sunny Days in January in Spetses

The chart illustrates the percentage of sunny days in Spetses 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 Spetses experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%67%61%58%75%79%96%96%79%57%41%57%
Data source: Spetses January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Spetses in January

In January, Spetses, Greece, enjoys about 9 hours of daylight, a gentle reminder of winter's embrace. As the month transitions into February, daylight extends to 10 hours, hinting at the approaching spring. The days continue to lengthen, reaching 11 hours in March and blossoming into 13 hours by April, as the island awakens from its slumber. May bathes Spetses in 14 hours of sunshine, a trend that persists into June and July, creating perfect conditions for exploration and relaxation under the Mediterranean sun. As August rolls in, daylight begins to taper slightly to 13 hours, leading into a gradual decline throughout the fall months. By September, the island offers 12 hours of daylight, dwindling to 10 hours in November and returning to the 9 hours mark by December. This rhythmic cycle of daylight not only shapes the island's scenery but also enhances its charm throughout the year.

Average Daylight Hours in Spetses for January

The chart illustrates the variation in daylight duration in Spetses throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 54m10h 48m11h 58m13h 9m14h 10m14h 40m14h 24m13h 31m12h 22m11h 11m10h 9m9h 37m
Data source: Spetses daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Spetses

January in Spetses, Greece, greets visitors with a brisk average wind speed of 4.9 m/s (11 mph), setting a lively tone for the month. As winter transitions into spring, the winds gradually shift, gently decreasing to 4.0 m/s (9 mph) by April, before reaching their seasonal low in June at just 3.0 m/s (7 mph). However, as summer approaches, the winds pick up again, particularly noticeable in October with a robust 5.3 m/s (12 mph). Interestingly, the year starts and ends with a noticeable breeze, as December witnesses an even stronger gust at 5.5 m/s (12 mph). This dynamic pattern not only enhances the charm of Spetses' coastal vistas but also provides a refreshing backdrop for both relaxation and adventure throughout the year.

Average January Wind Speed in Spetses

The chart displays monthly wind speed patterns in Spetses, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.9 m/s4.74.54.03.53.03.83.74.45.34.75.5
Data source: Spetses January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Spetses Compares to Other Months

Weather in Spetses varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Spetses, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather between January and February, January tends to have slightly cooler temperatures, with minimums around 3°C (38°F) and maximums reaching 21°C (69°F), while February sees a slight increase with minimums of 5°C (41°F) and maximums of 18°C (64°F). Both months experience similar levels of precipitation, with January receiving 53 mm over 8 days and February slightly higher at 55 mm over 7 days. Humidity remains consistent, with January at 76% and February slightly lower at 75%. For more detailed information, you can visit Spetses weather in February.

In January, the weather is characterized by cooler temperatures, with a minimum of 3°C (38°F) and an average of 12°C (53°F), while the maximum can reach up to 21°C (69°F). It also tends to be wetter, with about 53 mm (2.1 in) of precipitation over 8 days and a humidity level of 76%. In contrast, March sees slightly warmer temperatures with a minimum of 5°C (41°F), an average of 13°C (56°F), and a maximum of 19°C (66°F). Additionally, precipitation decreases to 35 mm (1.4 in) over just 4 days, and humidity dips slightly to 74%. For more detailed insights on the weather during this month, you can check Spetses weather in March.

In January, the weather tends to be cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (69°F) and an average of 12°C (53°F). There is a higher likelihood of rain, with 53 mm (2.1 in) of precipitation spread over 8 days, contributing to a humidity level of 76%. In contrast, April sees milder temperatures, with a minimum of 9°C (49°F) and a maximum of 22°C (72°F), averaging 16°C (60°F). Precipitation drops significantly to 25 mm (1.0 in) over only 4 days, while humidity remains slightly lower at 75%. This transition marks a noticeable warming trend as spring sets in. For more specific details, you can check Spetses weather in April.

January and May present contrasting weather conditions. In January, temperatures range from a minimum of 3°C (38°F) to a maximum of 21°C (69°F), with an average of 12°C (53°F). The month experiences relatively high humidity at 76% and sees about 53 mm (2.1 inches) of precipitation over 8 days, making it a rather damp and cool month. In stark contrast, May boasts a milder climate, with temperatures starting at a minimum of 14°C (58°F) and reaching up to 26°C (79°F), averaging around 20°C (68°F). Additionally, May is much drier, with only 11 mm (0.4 inches) of precipitation occurring over just a single day, while humidity remains fairly constant at 77%. For more details, you can check out Spetses weather in May.

The weather in January presents a stark contrast to that of June. In January, temperatures range from a chilly minimum of 3°C (38°F) to a pleasant average of 12°C (53°F), peaking at 21°C (69°F). This month experiences more frequent rainfall, with precipitation measuring 53 mm (2.1 in) over approximately 8 days and humidity levels hovering around 76%. In contrast, June showcases significantly warmer temperatures, with a minimum of 18°C (65°F), an average of 24°C (75°F), and a maximum reaching 29°C (85°F). The summer month is characterized by much lower precipitation, totaling just 9 mm (0.3 in) over 2 days, along with slightly lower humidity at 71%. For more insights, check out Spetses weather in June.

In January, the weather is notably cooler, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (69°F) and frequent precipitation occurring over 8 days, totaling 53 mm (2.1 in). The humidity is relatively high at 76%, creating a damp chill in the air. In contrast, July experiences a significant warm-up, with temperatures soaring from a minimum of 22°C (72°F) to a maximum of 33°C (92°F) and virtually no rainfall, just 2 mm (0.1 in), across the month. The lower humidity of 68% in July contributes to a more comfortable heat, making it an ideal time for outdoor activities. For those looking to explore more about July's climate, visit Spetses weather in July.

In January, the weather is considerably cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (69°F) and an average of 12°C (53°F). This month also experiences relatively high humidity at 76% and notable precipitation of 53 mm (2.1 in) over approximately 8 days. In contrast, August brings much warmer temperatures, with a minimum of 23°C (73°F), an average of 27°C (81°F), and soaring up to a maximum of 34°C (93°F). August is generally dry, featuring only 6 mm (0.2 in) of rainfall over just 1 day and lower humidity at 63%. For detailed weather conditions during this summer month, you can check Spetses weather in August.

In January, the weather is relatively cool, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (69°F) and an average temperature of 12°C (53°F). This month sees about 53 mm (2.1 in) of precipitation over approximately 8 days, contributing to a high humidity level of 76%.

Conversely, September offers a much warmer climate, with temperatures starting at a minimum of 18°C (64°F) and peaking at 31°C (88°F), averaging around 25°C (77°F). Rainfall is significantly reduced, totaling just 32 mm (1.2 in) over only 2 days, and the humidity drops to a more comfortable 65%. For more details, check out Spetses weather in September.

In January, temperatures are considerably cooler, with a minimum of 3°C (38°F) and an average of 12°C (53°F), while October enjoys milder weather, with temperatures ranging from a minimum of 16°C (60°F) to an average of 21°C (70°F). Precipitation is higher in January, totaling 53 mm (2.1 in) over about 8 days, compared to October’s lighter rainfall of 28 mm (1.1 in) spread across just 3 days. Humidity levels are slightly higher in January at 76%, while October sees a more comfortable humidity of 72%. For more details, you can check Spetses weather in October.

In January, the weather is cooler with an average temperature of 12°C (53°F), a minimum of 3°C (38°F), and a maximum of 21°C (69°F). The month experiences about 53 mm (2.1 in) of precipitation over 8 days, along with a relatively high humidity of 76%. In contrast, November features milder temperatures, with an average of 18°C (64°F), a minimum of 11°C (53°F), and a maximum of 24°C (75°F). This month also sees a similar level of precipitation, at 55 mm (2.1 in), and maintains a slightly lower humidity of 75%. For more details on November weather, check out Spetses weather in November.

In terms of weather, January tends to be slightly cooler than December, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (69°F), while December experiences milder temperatures with a minimum of 8°C (46°F) and a maximum of 20°C (68°F). Precipitation levels are comparable, with January receiving 53 mm (2.1 in) over about 8 days, and December recording 55 mm (2.2 in) over 9 days. Interestingly, both months share the same humidity level of 76%, indicating that while temperatures dip in January, the moisture in the air remains consistent. For more detailed insights about December weather, you can visit Spetses weather in December.

Compare Spetses's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Spetses

In January, Spetses experiences a distinctive climate, setting it apart from other months of the year. While temperatures can reach a pleasant maximum of 21°C, the average hovers around a cool 12°C, making it a refreshing time to visit for those looking to escape the winter chill. The month sees about eight days of rainfall, which adds to the island's lush winter scenery, though the overall precipitation remains moderate. With humidity levels around 76%, the air can feel quite fresh and invigorating. This unique weather offers a stark contrast to the warmer, busier summer months, providing a serene atmosphere perfect for exploring the island's charm. For a deeper dive into the yearly weather patterns, check out Spetses Climate.