January Weather in Koroni, Greece

Last updated: August 21, 2025

In January, Koroni, Greece experiences mild winter weather, with temperatures ranging from a minimum of 4°C (40°F) to a comfortable maximum of 20°C (68°F), averaging around 12°C (54°F). This month is characterized by significant precipitation, totaling 160 mm (6.3 in) over approximately 13 days, contributing to a humidity level of 76%. The blend of cooler temperatures and intermittent rain creates an atmosphere that is both refreshing and invigorating, perfect for those seeking a tranquil escape by the sea.

January Temperature in Koroni

In January, Koroni, Greece experiences mild winter temperatures that range from a chilly 4°C (40°F) at night to a pleasant 20°C (68°F) during the day, averaging around 12°C (54°F). This month marks the beginning of a gradual warming trend, as the temperatures steadily rise through February and into spring. The minimum temperatures inch up slightly, while the averages reflect a slow, yet consistent increase, pointing toward the vibrant weather that characterizes the following months. Days in January may be cool, but the promise of warmth is on the horizon, paving the way for the blossoming beauty of Koroni in the months ahead.

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

The chart illustrates January temperature patterns in Koroni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koroni, 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).
JanFebMarAprMayJunJulAugSepOctNovDec545556606672788076706458
Data source: Temperature data for Koroni 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 Koroni

In January, Koroni, Greece, experiences a significant amount of precipitation, with a total of 160 mm (6.3 in) falling over approximately 13 days. This marks the peak of the winter months, where rain plays a crucial role in replenishing the region's natural landscapes. The abundant rainfall in January is notably higher than that in the following month, February, which receives just 82 mm (3.2 in) over 9 days, signaling a gradual decline as winter transitions to spring. This trend continues into the subsequent months, with precipitation sharply dropping by April to only 25 mm (1.0 in) across just 4 days. The contrast between the wet January and the drier conditions that follow highlights the seasonal shift in Koroni, where winter's robust rains give way to milder spring weather, setting the stage for a warm, dry summer ahead.

January Precipitation Trends in Koroni

The chart displays monthly precipitation patterns in Koroni, 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 Koroni, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1608257251326524071148156
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Koroni

In Koroni, Greece, January brings a notable humidity level of 76%, setting the tone for the winter months. As the year progresses, humidity begins to dip slightly, with February and March recording 73%. This trend of moderate humidity continues into April, where it rises again to 75%, before peaking in May at 79%. As summer approaches, humidity levels stabilize, hovering around 75% in June and gradually declining through the hotter months, reaching a low of 68% in August. The transition into fall sees a gentle increase, with September and October recording 66% and 69%, respectively. Finally, as winter returns, humidity levels rise back to 75% in December, creating a cycle that reflects the Mediterranean climate's seasonal variations and the natural rhythm of Koroni's weather.

January Average Humidity in Koroni

This chart illustrates the average monthly humidity levels in Koroni, 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 Koroni is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%73%73%75%79%75%74%68%66%69%73%75%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Koroni

In January, Koroni, Greece experiences a moderate UV Index of 3, with a burn time of 30 minutes, making it a relatively safe month for outdoor activities. As the year progresses, February sees a slight increase to 5, maintaining the moderate classification, while March introduces a higher UV Index of 6, signaling the start of the high exposure category. The intensity peaks dramatically in April and May, both reaching a very high 9, where sun exposure is critical with burn times dropping to just 15 minutes. This trend of high UV levels continues through the summer months of June, July, and August, all hitting the maximum index of 10. Following the summer, September sees a decrease to 8, and then by October, the index settles at 7. As the year winds down, November and December return to moderate levels of 4 and 3 respectively, each with a burn time of 30 minutes. For those looking for the UV Index throughout the year, Koroni offers a clear pattern of increasing intensity with the changing seasons; more information can be found at Koroni UV Index.

Maximum UV Index Levels in Koroni for January

The chart shows the monthly maximum UV Index (UVI) for Koroni 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 Koroni typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356991010108743
Data source: Koroni 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 Koroni

January in Koroni, Greece, offers a delightful 214 hours of sunshine, perfect for those seeking a tranquil winter escape. As the month gives way to February, the days begin to brighten with 271 hours of sun, signaling the promise of spring. This upward trend continues into March and April, where sunshine hours soar to 334 and 349 hours, respectively, creating an inviting atmosphere for outdoor explorations. By May, the sun-soaked days reach 400 hours, and the warmth only intensifies through the summer months, peaking in July with an impressive 421 hours. Even as summer fades into fall, Koroni remains basked in abundant light, with September and October still delivering 346 and 319 hours of sunshine. As the year winds down, November and December offer a gentler glow with 273 and 261 hours, ensuring that even in the cooler months, this charming destination glimmers with warmth and vitality.

Monthly Sunshine Duration in Koroni: January Highlighted

The January sunshine duration represents the total number of hours Koroni 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h271h334h349h400h410h421h392h346h319h273h261h
Data source: Koroni January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Koroni During January

In Koroni, Greece, January brings a moderate 39% chance of sunny weather, marking it as one of the quieter months for sunshine. As the year progresses, this likelihood dramatically improves, with February witnessing a notable leap to 70%. The trend continues into March and April, where the chances hover around 61% and 58%, respectively. By May, the people of Koroni can expect a delightful 76% probability of sunny days, paving the way for the dazzling summer months. June through August usher in peak sunshine, soaring to an impressive 91% to 97%, making these months perfect for beachgoers and outdoor enthusiasts alike. As autumn sets in, the sunshine begins to wane again, with September at 78% and a gradual decline into lower percentages by November and December. Overall, while January may be somewhat overcast, the promise of warmer, sunnier days is just around the corner!

Percentage of Sunny Days in January in Koroni

The chart illustrates the percentage of sunny days in Koroni 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 Koroni experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%70%61%58%76%91%96%97%78%60%39%51%
Data source: Koroni January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Koroni in January

In Koroni, Greece, January ushers in a modest 9 hours of daylight, marking the start of a gradual increase in light as the months progress. By February, daylight extends to 10 hours, setting the stage for the vibrant spring months ahead. March and April see this trend continue, with daylight reaching 11 and then 13 hours, respectively, as nature awakens and days grow noticeably longer. The peak daylight hours occur during the summer months of May, June, and July, with an impressive 14 hours, offering ample time to enjoy the sun-soaked charm of the region. As summer fades, daylight begins to recede, gently tapering to 13 hours in August and 12 hours in September, before returning to 11 in October. Eventually, by November and December, the cycle brings daylight back down to 10 and 9 hours, respectively, closing the year with a familiar rhythm of light and dark that beautifully reflects the seasonal transitions in this picturesque locale.

Average Daylight Hours in Koroni for January

The chart illustrates the variation in daylight duration in Koroni throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 56m10h 50m11h 58m13h 8m14h 8m14h 37m14h 22m13h 29m12h 22m11h 12m10h 11m9h 40m
Data source: Koroni daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Koroni

In January, Koroni, Greece, experiences its windiest month of the year, with an average wind speed of 6.4 m/s (14 mph), setting an invigorating tone for the winter season. This brisk start is notable, as the wind speeds gradually decline in the subsequent months, dropping to 4.6 m/s (10 mph) in February and remaining relatively gentle through the summer months, with July and August hovering around 4.4-4.5 m/s (10 mph). As autumn approaches, wind speeds experience a slight resurgence, peaking again at 5.3 m/s (12 mph) in both November and March, bringing a refreshing edge to the otherwise mild Mediterranean climate. This annual ebb and flow of wind not only shapes the weather patterns but also enhances the charm of Koroni, making it a delightful destination throughout the year.

Average January Wind Speed in Koroni

The chart displays monthly wind speed patterns in Koroni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.4 m/s4.65.35.15.04.04.54.44.35.25.35.8
Data source: Koroni January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Koroni Compares to Other Months

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

January typically experiences slightly cooler temperatures than February, with a minimum of 4°C (40°F) and an average of 12°C (54°F), while February sees temperatures beginning at a minimum of 5°C (42°F) and rising to an average of 13°C (56°F). The month's maximums also differ slightly, as January can reach up to 20°C (68°F), compared to February's maximum of 18°C (64°F). Additionally, January is significantly wetter, with a total precipitation of 160 mm (6.3 in) over 13 days, whereas February has only 82 mm (3.2 in) over 9 days. Humidity levels are also marginally lower in February at 73%, compared to January's 76%. For a closer look at the specific weather patterns, check out Koroni weather in February.

In January, the weather tends to be cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F), and an average of 12°C (54°F). This month also experiences significant rainfall, with 160 mm (6.3 in) of precipitation over 13 days and a humidity level of 76%. In contrast, March sees slightly milder temperatures, with a minimum of 6°C (44°F), an average of 13°C (56°F), and a maximum of 18°C (65°F). Additionally, March is drier, as it receives only 57 mm (2.3 in) of precipitation over 9 days and a humidity of 73%. For more detailed information, you can visit Koroni weather in March.

In January, the weather is notably cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F) and an average of 12°C (54°F). This month also sees a significant amount of precipitation, totaling 160 mm (6.3 in) over about 13 days, alongside a humidity level of 76%. In contrast, April brings warmer conditions, with temperatures starting at a minimum of 10°C (51°F), averaging 16°C (61°F), and reaching a maximum of 22°C (72°F). The precipitation drops dramatically to just 25 mm (1.0 in) over only 4 days, and the humidity remains relatively stable at 75%. For a more detailed look at the weather in April, you can explore Koroni weather in April.

In January, the weather is much cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F) and an average of 12°C (54°F). The month sees considerable rainfall, with about 160 mm (6.3 in) of precipitation over 13 days, resulting in a high humidity level of 76%. In contrast, May brings warmer temperatures, with a minimum of 13°C (56°F) and a comfortable maximum of 29°C (84°F), averaging 19°C (67°F). This month experiences significantly less rainfall, totaling just 13 mm (0.5 in) across only 2 days, while humidity remains slightly higher at 79%. For more details on May's delightful weather, check out Koroni weather in May.

January and June showcase striking contrasts in weather. In January, temperatures range from a chilly 4°C (40°F) to a mild maximum of 20°C (68°F), with an average of 12°C (54°F). This month is also characterized by significant precipitation, with 160 mm (6.3 in) falling over 13 days and humidity levels averaging 76%. In contrast, June brings warmer conditions, with temperatures starting at a minimum of 17°C (62°F) and peaking at a comfortable 31°C (88°F), averaging around 22°C (72°F). Precipitation in June is minimal, totaling just 26 mm (1.0 in) over only 2 days, and the humidity dips slightly to 75%. For more details on the June weather in this region, check out Koroni weather in June.

January and July present striking contrasts in weather conditions. In January, temperatures range from a cool 4°C (40°F) to a mild maximum of 20°C (68°F), with an average of 12°C (54°F). This month sees significant precipitation, with around 160 mm (6.3 in) falling over 13 days, resulting in a humidity level of 76%. In comparison, July boasts much warmer temperatures, with a minimum of 21°C (69°F) and an average of 26°C (78°F), peaking at 31°C (88°F). The dry summer month experiences minimal rainfall, with just 5 mm (0.2 in) and no rainy days, while humidity slightly decreases to 74%. For a closer look at July weather specifics, you can explore Koroni weather in July.

In comparing the weather of January and August, it is clear that the two months present stark contrasts. January features moderate temperatures, with a minimum of 4°C (40°F) and an average high of 20°C (68°F), accompanied by significant precipitation of 160 mm (6.3 in) over 13 rainy days and high humidity at 76%. In contrast, August boasts much warmer conditions, characterized by a minimum temperature of 23°C (74°F) and an average maximum of 33°C (92°F), with barely any rainfall at just 2 mm (0.1 in) across the month and lower humidity of 68%. These differences make January feel cool and damp, while August is hot and dry, perfect for outdoor activities. For more information on the warm weather during this month, you can check Koroni weather in August.

In January, the weather tends to be cooler and more humid, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F) and an average of 12°C (54°F). The month experiences significant precipitation, with about 160 mm (6.3 in) falling over 13 days, resulting in a humidity level of 76%. In contrast, September sees much warmer temperatures, with a minimum of 19°C (66°F), an average of 25°C (76°F), and a maximum of 30°C (85°F). This month is considerably drier, with only 40 mm (1.6 in) of rainfall spread over just 3 days and lower humidity at 66%. For more details on the weather in September, you can check Koroni weather in September.

In January, the weather tends to be much cooler, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F). This month also experiences higher precipitation levels, with about 160 mm (6.3 in) over approximately 13 days, along with a notable humidity of 76%. In contrast, October showcases a more comfortable climate, with temperatures varying from a minimum of 15°C (59°F) to a maximum of 28°C (83°F). This month is significantly drier, receiving only 71 mm (2.8 in) of rain over just 6 days, and humiтdity levels are somewhat lower at 69%. For more details on October weather, you can check Koroni weather in October.

In comparison to January, November in Koroni enjoys milder temperatures, with minimums around 12°C (55°F) and maximums reaching up to 23°C (74°F), compared to January’s lows of 4°C (40°F) and highs of 20°C (68°F). The average temperature in November is also more comfortable at 18°C (65°F) versus January's average of 12°C (54°F). While both months experience a fair amount of precipitation, January sees slightly more rain at 160 mm (6.3 in) over 13 days, whereas November totals 148 mm (5.8 in) and tends to be wetter for just 12 days. Additionally, humidity levels are relatively close, with January at 76% and November at 73%. For more detailed insights, check Koroni weather in November.

In January, the weather tends to be slightly cooler than in December, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F). Meanwhile, December experiences milder temperatures, with minimums around 8°C (47°F) and maximums reaching 19°C (67°F). Precipitation levels remain relatively consistent, with January receiving about 160 mm (6.3 in) across 13 days, while December sees slightly less rainfall at 156 mm (6.1 in) over 16 days. Humidity levels are comparable, hovering around 76% in January and 75% in December. For more detailed information, you can visit Koroni weather in December.

Compare Koroni's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Koroni

January in Koroni presents a stark contrast to the warmer, sun-drenched months that follow. With average temperatures hovering at a cool 12°C (54°F), this month brings a refreshing chill that encourages cozy indoor activities. The higher humidity, generally around 76%, combined with 160 mm (6.3 in) of precipitation over 13 days, means visitors should prepare for damp conditions and occasional showers. While the winter months may not boast the beach-friendly warmth of spring or summer, they offer a quieter, more serene experience of Koroni's natural beauty. For those interested in understanding more about this unique climate, explore Koroni Climate.