January Weather in Kythnos, Greece

Last updated: August 23, 2025

In January, the average temperature in Kythnos, Greece hovers around 12°C (55°F), offering a mild climate for outdoor activities. Expect minimum temperatures dipping to 4°C (39°F) and maximums reaching 20°C (68°F). With 86 mm (3.4 in) of precipitation spread over approximately 10 days, be prepared for a few rainy moments. The average humidity stands at a comfortable 76%, making it a well-rounded month for exploring the region.

January Temperature in Kythnos

In January in Kythnos, the average temperature is 12°C (55°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop to as low as 4°C (39°F). It's advisable to pack layers for your trip to Kythnos to comfortably enjoy the varying temperatures.

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

The chart illustrates January temperature patterns in Kythnos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kythnos, January typically has an average temperature of 12°C (55°F), with highs reaching up to 20°C (68°F) and lows dropping to around 4°C (39°F).

Data source: Temperature data for Kythnos generated using information from the Copernicus Climate Change Service.

January Precipitation in Kythnos

In Kythnos in January, the precipitation amount is 86 mm (3.4 in) over the course of 10 days.

January Precipitation Trends in Kythnos

The chart displays monthly precipitation patterns in Kythnos, 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 Kythnos, January typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Kythnos

In Kythnos in January humidity is 76%. With an average temperature of 12°C (55°F), this humidity feels like a damp embrace, making traveling somewhat uncomfortable as the air clings to your skin and can leave you feeling cooler than expected.

January Average Humidity in Kythnos

This chart illustrates the average monthly humidity levels in Kythnos, 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 Kythnos is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Kythnos

In Kythnos in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Kythnos, you can check the information here.

Maximum UV Index Levels in Kythnos for January

The chart shows the monthly maximum UV Index (UVI) for Kythnos 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 Kythnos typically reaches 3, which falls under the moderate exposure category.

Data source: Kythnos 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.

How January Weather in Kythnos Compares to Other Months

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

This table compares monthly weather conditions in Kythnos, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (55°F)	86 mm (3.4 inches)	76%	moderate
February Weather	13°C (56°F)	53 mm (2.1 inches)	75%	moderate
March Weather	14°C (57°F)	36 mm (1.4 inches)	74%	high
April Weather	15°C (60°F)	18 mm (0.7 inches)	75%	very high
May Weather	19°C (66°F)	8 mm (0.3 inches)	77%	very high
June Weather	23°C (73°F)	5 mm (0.2 inches)	71%	very high
July Weather	25°C (78°F)	1 mm (0.0 inches)	68%	very high
August Weather	26°C (79°F)	1 mm (0.0 inches)	63%	very high
September Weather	24°C (75°F)	10 mm (0.4 inches)	65%	very high
October Weather	21°C (69°F)	24 mm (0.9 inches)	72%	high
November Weather	18°C (64°F)	50 mm (2.0 inches)	75%	moderate
December Weather	15°C (59°F)	92 mm (3.6 inches)	76%	moderate