January Weather in Poros, Greece

Last updated: August 21, 2025

In January, Poros, Greece experiences mild winter weather characterized by a maximum temperature of 20°C (69°F) and an average of 12°C (53°F), providing a comfortable escape from harsher climates. With a minimum temperature dropping to 2°C (36°F), visitors should be prepared for cooler evenings. The month sees approximately 52 mm (2.0 in) of precipitation over seven days, contributing to a relatively humid atmosphere at 76%. This unique blend of temperatures and moisture not only shapes the island's lush landscapes but also creates an inviting backdrop for exploration and relaxation during the serene winter season.

January Temperature in Poros

In January, Poros, Greece, showcases a delightful winter climate characterized by a minimum temperature of 2°C (36°F) and a maximum of 20°C (69°F). The average temperature of 12°C (53°F) offers a gentle introduction to the year, hinting at the gradual warming trends to come. As the month progresses, one can expect a subtle transition into milder conditions leading into February, where temperatures begin to rise slightly. This pattern of increasing warmth culminates in the summer months, where temperatures can soar beyond 30°C (86°F). The pleasant winter in January serves as an inviting precursor to the vibrant spring and summer seasons ahead, making Poros an attractive destination for those looking to escape harsher winter climates.

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

The chart illustrates January temperature patterns in Poros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poros, 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).
JanFebMarAprMayJunJulAugSepOctNovDec535556606875818277706457
Data source: Temperature data for Poros 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 Poros

January in Poros, Greece, is characterized by a moderate precipitation level of 52 mm (2.0 in), which typically falls over about 7 days. This marks one of the wetter months in the region, sitting between the rainier Decembers and the gradually drying Februarys. As winter transitions into spring, January's rainfall sets the stage for lush landscapes, with vibrant greenery peaking in the subsequent months. Interestingly, precipitation begins to decline sharply into late spring and summer, reaching a low of just 5 mm (0.2 in) in July. Thus, January's rainfall not only plays a crucial role in reviving the earth after a dry summer but also establishes a trend toward lower precipitation as the year unfolds, with the drier months that follow offering a stark contrast to this winter beginning.

January Precipitation Trends in Poros

The chart displays monthly precipitation patterns in Poros, 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 Poros, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5246332712125630284760
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Poros

In January, Poros, Greece experiences a humidity level of 76%, setting a consistently damp tone as the year begins. This month, along with December and November, showcases a notable peak in humidity that hints at the cooler season's lingering moisture. As winter transitions into spring, humidity slightly decreases, reaching 74% by March and stabilizing around 75% in April. Interestingly, May sees a rise back to 77%, suggesting the arrival of warmer, more humid days. As summer approaches, the trend shifts, with July and August featuring the lowest humidity levels at 68% and 63%, respectively, providing relief from the earlier dampness. This fluctuation captures the essence of Poros' climate, where humidity varies with the seasons, offering both the charm of winter's coolness and the warmth of summer's embrace.

January Average Humidity in Poros

This chart illustrates the average monthly humidity levels in Poros, 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 Poros 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 Poros

In January, Poros, Greece experiences a moderate UV Index of 3, indicating that while sun exposure is manageable, it’s wise to take some precautions, especially with a burn time of just 30 minutes. As winter transitions to spring, February sees a slight increase to an Index of 4, maintaining the same exposure level but encouraging continued awareness. March marks a shift with a high UV Index of 6 and a reduced burn time of 25 minutes, hinting at the intensifying sun. The trend escalates through the spring and summer months, peaking in June and July with a consistent very high Index of 10, where even quick sun exposure can lead to burns in just 15 minutes. As autumn arrives, the UV levels begin to taper, dropping to 8 in September before easing further to a moderate Index of 4 in November, and returning to 3 in December as winter sets in once again. For more detailed insights on UV levels throughout the year, check out Poros UV Index.

Maximum UV Index Levels in Poros for January

The chart shows the monthly maximum UV Index (UVI) for Poros 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 Poros typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101010108743
Data source: Poros 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 Poros

In January, Poros, Greece, basks in 208 hours of sunshine, marking the beginning of the year with a gentle embrace of daylight. As winter transitions to spring, February sees this glow increase to 257 hours, hinting at the warming days ahead. By March, the sun shines for 331 hours, inviting residents and visitors alike to start enjoying the outdoors. The sunshine peaks in the summer months, culminating in July with an impressive 422 hours, a perfect backdrop for beach days and leisurely evenings. As summer wanes into autumn, the hours gradually decrease, yet October's 318 hours still provide ample opportunity to soak up the sun. The trend showcases a vibrant and inviting climate, urging everyone to relish in the radiant beauty of Poros throughout the year.

Monthly Sunshine Duration in Poros: January Highlighted

The January sunshine duration represents the total number of hours Poros 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.
JanFebMarAprMayJunJulAugSepOctNovDec208h257h331h347h399h410h422h395h346h318h265h255h
Data source: Poros January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Poros During January

In January, Poros, Greece, enjoys a 50% chance of sunny weather, offering a delightful mix of mild temperatures and occasional rays of sunshine. This chance of sun marks the beginning of a gradual upward trend as the months progress; February and March see increases to 66% and 62% respectively, hinting at warmer days ahead. As spring approaches, the likelihood remains relatively steady before peaking in the summer months, where July and August boast remarkable chances of sunshine at 96% and 97%. Overall, while January may start cooler and cloudier, it sets the stage for the radiant days that follow in this picturesque setting.

Percentage of Sunny Days in January in Poros

The chart illustrates the percentage of sunny days in Poros 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 Poros experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%66%62%57%73%77%96%97%80%60%45%55%
Data source: Poros January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Poros in January

In January, Poros, Greece, experiences about 9 hours of daylight, marking the shortest days of the year. As the month progresses into February, daylight increases to 10 hours, signaling the slow but steady return of the sun. This trend continues through March, where daylight extends to 11 hours, and April brings even more brightness with 13 hours of daylight. By May, residents and visitors can enjoy 14 hours of sunlight, a peak that remains consistent through June and July. As summer wanes, daylight gradually declines, with August offering 13 hours before slipping to 12 hours in September. The autumn months see a further reduction as October and November provide 11 and 10 hours, respectively, culminating in another return to 9 hours of daylight in December. This rhythmic cycle highlights the vibrant seasonal shifts in Poros, inviting both locals and travelers to savor each phase of sunlight.

Average Daylight Hours in Poros for January

The chart illustrates the variation in daylight duration in Poros throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 52m10h 47m11h 58m13h 10m14h 11m14h 42m14h 26m13h 32m12h 23m11h 11m10h 8m9h 35m
Data source: Poros daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Poros

In January, Poros, Greece, experiences a brisk average wind speed of 5.0 m/s (11 mph), setting the stage for a lively start to the year. As winter unfolds, the winds remain relatively strong compared to the subsequent months—February brings a slight decrease to 4.4 m/s (10 mph) and continues a gentle decline, with March and April seeing even lower averages of 4.2 m/s (9 mph) and 3.5 m/s (8 mph), respectively. The trend towards calmer breezes persists into the late spring and early summer months, with May and June recording their lowest speeds of 2.9 m/s (6 mph) and 2.5 m/s (6 mph). However, the summer heat prompts a revival in wind activity, as July and August reclaim slightly stronger gusts at 3.6 m/s and 3.4 m/s (both 8 mph). The latter part of the year witnesses a resurgence in wind strength, with speeds picking up again in September and culminating in December, where strong winds peak at 5.5 m/s (12 mph). Thus, January's winds not only represent a robust start but also reflect a seasonal ebb and flow that enhances Poros's charming coastal climate throughout the year.

Average January Wind Speed in Poros

The chart displays monthly wind speed patterns in Poros, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.0 m/s4.44.23.52.92.53.63.44.04.84.45.5
Data source: Poros January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Poros Compares to Other Months

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

January experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 12°C (53°F), while February sees a slight increase, with a minimum of 5°C (41°F) and an average of 13°C (55°F). Despite the mild temperature rise in February, the maximum temperature is slightly lower at 18°C (65°F) compared to January's 20°C (69°F). Precipitation levels are similar, with January receiving 52 mm (2.0 in) and February at 46 mm (1.8 in), both spread over seven days. Humidity remains fairly consistent, with January at 76% and February slightly lower at 75%. For more detailed information, you can check Poros weather in February.

In comparing January and March weather, January exhibits a cooler overall climate with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (69°F) and considerable precipitation of 52 mm (2.0 in) over 7 days. In contrast, March sees a slight warming trend with temperatures starting at a minimum of 4°C (40°F) and averaging 13°C (56°F), while experiencing reduced rainfall of 33 mm (1.3 in) over just 4 days. Furthermore, humidity levels are relatively similar, with January at 76% and March at 74%, creating a generally comfortable atmosphere. For more information on what to expect in March, you can visit Poros weather in March.

January and April present notable contrasts in weather. In January, temperatures range from a chilly minimum of 2°C (36°F) to a pleasant maximum of 20°C (69°F), with an average temperature of 12°C (53°F). The month experiences significant precipitation, totaling 52 mm (2.0 in) over about 7 days, and humidity remains relatively high at 76%. In comparison, April offers milder conditions, with minimum temperatures rising to 9°C (49°F) and maximums reaching 24°C (75°F), averaging 16°C (60°F). Precipitation is less frequent in April, totaling only 27 mm (1.1 in) over 4 days, while humidity slightly decreases to 75%. For a closer look at what to expect, visit Poros weather in April.

In January, the weather is quite cool, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (69°F) and an average of 12°C (53°F). This month sees about 52 mm (2.0 in) of precipitation over approximately 7 days, combined with a humidity level of 76%, creating a rather damp atmosphere. In contrast, May brings a significant warming trend, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), averaging around 20°C (68°F). Precipitation drops to just 11 mm (0.5 in) over 2 days, and the humidity edges slightly higher at 77%. For those looking to explore the weather conditions in May, you can find more information here: Poros weather in May.

January and June present a striking contrast in weather conditions. In January, temperatures range from a cool 2°C (36°F) at night to a mild 20°C (69°F) during the day, with an average of 12°C (53°F). The month sees about 52 mm (2.0 in) of precipitation over approximately 7 days, accompanied by higher humidity at 76%. In contrast, June experiences a significantly warmer climate, with nighttime lows of 17°C (62°F) and daytime highs reaching up to 32°C (90°F), averaging around 24°C (75°F). Precipitation drops to just 12 mm (0.5 in) over 2 days, and humidity decreases slightly to 71%. For a detailed look at weather in June, you can visit Poros weather in June.

In January, the weather is quite cool, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (69°F) and an average of 12°C (53°F). The month sees about 52 mm (2.0 in) of precipitation over approximately 7 days, accompanied by a humidity level of 76%. In contrast, July offers a much warmer climate, with temperatures soaring from a minimum of 22°C (71°F) to a maximum of 34°C (94°F) and an average of 27°C (81°F). This summer month experiences significantly less precipitation, approximately 5 mm (0.2 in) over just 1 day, and a lower humidity level of 68%. For more detailed insights, check out Poros weather in July.

In January, the weather is quite cool, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (69°F). This month sees an average temperature of 12°C (53°F) and experiences precipitation on about 7 days, totaling 52 mm (2.0 in), along with a humidity level of 76%.

In contrast, August brings warm and sunny conditions, with temperatures ranging from a minimum of 23°C (73°F) to a scorching maximum of 34°C (93°F). The average temperature for August hovers around 28°C (82°F), and it enjoys a dry spell, receiving only 6 mm (0.2 in) of precipitation over the month with no rainy days, coupled with a lower humidity of 63%. For more information on August weather specifics, you can check Poros weather in August.

January and September present striking contrasts in weather. In January, temperatures range from a chilly minimum of 2°C (36°F) to a mild maximum of 20°C (69°F), leading to an average of 12°C (53°F). The month experiences an average of 52 mm (2.0 in) of precipitation over seven days, coupled with a relatively high humidity of 76%. In contrast, September welcomes warmer temperatures, with a minimum of 18°C (65°F) and a maximum reaching 32°C (91°F), resulting in an average of 25°C (77°F). This month sees significantly less rainfall, totaling just 30 mm (1.2 in) over only two days, and lower humidity at 65%. For more information, check out Poros weather in September.

In January, the weather is notably cooler with minimum temperatures around 2°C (36°F) and an average of 12°C (53°F), peaking at 20°C (69°F). This month experiences more precipitation, with around 52 mm (2.0 in) falling over approximately 7 days and a higher humidity level of 76%. In contrast, October boasts milder conditions, starting at a minimum of 15°C (60°F) and reaching an average of 21°C (70°F), with maximums of up to 28°C (83°F). The precipitation in October is less, totaling about 28 mm (1.1 in) over just 4 days, and the humidity is slightly lower at 72%. For a more detailed look at October weather, you can check out Poros weather in October.

In January, temperatures in Poros range from a chilly minimum of 2°C (36°F) to a pleasant maximum of 20°C (69°F), with an average temperature of 12°C (53°F). The month sees around 52 mm (2.0 in) of precipitation over seven days, contributing to a higher humidity level of 76%. In contrast, November offers milder weather, with temperatures starting at a minimum of 11°C (53°F) and reaching up to 24°C (75°F), averaging at 18°C (64°F). Despite slightly less precipitation at 47 mm (1.9 in) over the same number of days, humidity is slightly lower at 75%. For those interested in a detailed look at the weather conditions, check out Poros weather in November.

In comparing the weather between January and December, January experiences slightly cooler temperatures with a minimum of 2°C (36°F) and an average of 12°C (53°F), while December's minimum is 7°C (45°F) and the average is 14°C (58°F). Both months share a maximum temperature of 20°C (69°F), but December sees a bit more precipitation at 60 mm (2.4 in) over 9 days, compared to January's 52 mm (2.0 in) over 7 days. Humidity remains consistent at 76% for both months. For more detailed insights, you can check Poros weather in December.

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Conclusion: What to Expect From January Weather in Poros

As January unfolds in Poros, the island experiences a noticeable shift in weather compared to the warmer, sunnier months. With average temperatures hovering around 12°C (53°F), this period is marked by cooler days and a touch of winter chill, particularly during the nights. The likelihood of rain gently increases, evidenced by about seven days of precipitation throughout the month, resulting in a total of 52 mm (2.0 in) of rain. This humidity of 76% adds to the crisp atmosphere, creating a refreshing start to the year. While January may not boast the vibrancy of summer, it offers a serene beauty that invites exploration and a unique charm. For more details on weather patterns, check out Poros Climate.