January Weather in Ierissos, Greece

Last updated: August 23, 2025

In January, the average temperature in Ierissos, Greece hovers around 8°C (46°F), making it a crisp time of year. Temperature extremes can range from a chilly -5°C (24°F) to a pleasant 18°C (65°F). Expect 82 mm (3.2 in) of precipitation spread over approximately 10 days, contributing to a high average humidity of 88%. Don't forget an umbrella and dress in layers for this season!

January Temperature in Ierissos

In January in Ierissos, the average temperature is 8°C (46°F), with maximums reaching 18°C (65°F) and minimums dipping as low as -5°C (24°F). This weather makes it a great time for travelers to enjoy outdoor activities while preparing for cool evenings.

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

The chart illustrates January temperature patterns in Ierissos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ierissos, January typically has an average temperature of 8°C (46°F), with highs reaching up to 18°C (65°F) and lows dropping to around -5°C (24°F).

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

January Precipitation in Ierissos

In Ierissos in January, the total precipitation amount is 82 mm (3.2 in) observed over a span of 10 days.

January Precipitation Trends in Ierissos

The chart displays monthly precipitation patterns in Ierissos, 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 Ierissos, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Ierissos

In Ierissos in January, humidity is 88%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much more uncomfortable than the temperature alone would suggest.

January Average Humidity in Ierissos

This chart illustrates the average monthly humidity levels in Ierissos, 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 Ierissos is approximately 88%, 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 Ierissos

In Ierissos 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 Ierissos, you can check the information here.

Maximum UV Index Levels in Ierissos for January

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

Data source: Ierissos 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 Ierissos Compares to Other Months

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

This table compares monthly weather conditions in Ierissos, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	82 mm (3.2 inches)	88%	moderate
February Weather	10°C (49°F)	50 mm (2.0 inches)	83%	moderate
March Weather	11°C (52°F)	78 mm (3.1 inches)	81%	high
April Weather	14°C (57°F)	47 mm (1.8 inches)	71%	very high
May Weather	19°C (67°F)	33 mm (1.3 inches)	74%	very high
June Weather	23°C (74°F)	60 mm (2.3 inches)	63%	very high
July Weather	26°C (80°F)	27 mm (1.1 inches)	60%	very high
August Weather	27°C (81°F)	11 mm (0.4 inches)	47%	very high
September Weather	24°C (75°F)	26 mm (1.0 inches)	57%	very high
October Weather	18°C (65°F)	83 mm (3.3 inches)	76%	high
November Weather	14°C (58°F)	108 mm (4.3 inches)	85%	moderate
December Weather	10°C (51°F)	117 mm (4.6 inches)	87%	low