January Weather in Penteli, Greece

Last updated: August 23, 2025

In January, the average temperature in Penteli, Greece hovers around 2°C (36°F), with a potential minimum of -20°C (-3°F) and a maximum of 16°C (60°F). Expect about 159 mm (6.2 in) of precipitation spread over 12 days, contributing to an average humidity level of 84%.

January Temperature in Penteli

In January in Penteli, the average temperature is 2°C (36°F). The maximum can reach 16°C (60°F), while the minimum can drop as low as -20°C (-3°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable.

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

The chart illustrates January temperature patterns in Penteli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penteli, January typically has an average temperature of 2°C (36°F), with highs reaching up to 16°C (60°F) and lows dropping to around -20°C (-3°F).

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

January Precipitation in Penteli

In Penteli in January, the precipitation amount is 159 mm (6.2 in) spread over 12 days.

January Precipitation Trends in Penteli

The chart displays monthly precipitation patterns in Penteli, 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 Penteli, January typically receives around 159 mm (6.2 inches) of precipitation spread over approximately 12 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 Penteli

In Penteli in January, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

January Average Humidity in Penteli

This chart illustrates the average monthly humidity levels in Penteli, 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 Penteli is approximately 84%, 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 Penteli

In Penteli 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 Penteli, you can check the information here.

Maximum UV Index Levels in Penteli for January

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

Data source: Penteli 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 Penteli Compares to Other Months

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

This table compares monthly weather conditions in Penteli, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	159 mm (6.2 inches)	84%	moderate
February Weather	5°C (41°F)	148 mm (5.8 inches)	78%	moderate
March Weather	7°C (45°F)	127 mm (5.0 inches)	75%	high
April Weather	11°C (52°F)	78 mm (3.1 inches)	70%	very high
May Weather	15°C (59°F)	89 mm (3.5 inches)	72%	very high
June Weather	19°C (67°F)	63 mm (2.5 inches)	60%	extreme
July Weather	23°C (73°F)	37 mm (1.5 inches)	56%	very high
August Weather	23°C (74°F)	21 mm (0.8 inches)	47%	very high
September Weather	19°C (66°F)	45 mm (1.8 inches)	56%	very high
October Weather	13°C (56°F)	90 mm (3.5 inches)	70%	high
November Weather	9°C (49°F)	181 mm (7.1 inches)	80%	moderate
December Weather	5°C (41°F)	235 mm (9.3 inches)	83%	moderate