January Weather in Istiaia, Greece

Last updated: August 23, 2025

In January, the average temperature in Istiaia, Greece hovers around 9°C (48°F). Expect a chilly minimum of -2°C (29°F) and a pleasant maximum of 19°C (66°F). With 105 mm (4.1 in) of precipitation spread over 11 days, don't forget your umbrella! The air will feel quite humid, with an average humidity level of 82%.

January Temperature in Istiaia

In January in Istiaia, the average temperature is 9°C (48°F), with maximums reaching 19°C (66°F) and minimums dipping as low as -2°C (29°F). It's a great time to pack for varying weather conditions and enjoy both the crisp air and milder afternoons while exploring the area.

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

The chart illustrates January temperature patterns in Istiaia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Istiaia, January typically has an average temperature of 9°C (48°F), with highs reaching up to 19°C (66°F) and lows dropping to around -2°C (29°F).

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

January Precipitation in Istiaia

In Istiaia in January, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

January Precipitation Trends in Istiaia

The chart displays monthly precipitation patterns in Istiaia, 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 Istiaia, January typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 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 Istiaia

In Istiaia in January, humidity is 82%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers for your travels while keeping an umbrella handy for unexpected drizzles.

January Average Humidity in Istiaia

This chart illustrates the average monthly humidity levels in Istiaia, 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 Istiaia is approximately 82%, 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 Istiaia

In Istiaia 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 Istiaia, you can check the information here.

Maximum UV Index Levels in Istiaia for January

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

Data source: Istiaia 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 Istiaia Compares to Other Months

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

This table compares monthly weather conditions in Istiaia, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	105 mm (4.1 inches)	82%	moderate
February Weather	10°C (51°F)	99 mm (3.9 inches)	78%	moderate
March Weather	12°C (53°F)	87 mm (3.4 inches)	76%	high
April Weather	14°C (58°F)	76 mm (3.0 inches)	70%	very high
May Weather	19°C (67°F)	38 mm (1.5 inches)	71%	very high
June Weather	24°C (75°F)	25 mm (1.0 inches)	61%	very high
July Weather	26°C (80°F)	59 mm (2.3 inches)	57%	very high
August Weather	27°C (80°F)	23 mm (0.9 inches)	51%	very high
September Weather	24°C (75°F)	56 mm (2.2 inches)	58%	very high
October Weather	19°C (66°F)	100 mm (3.9 inches)	73%	high
November Weather	15°C (59°F)	88 mm (3.5 inches)	79%	moderate
December Weather	12°C (53°F)	101 mm (4.0 inches)	81%	moderate