January Weather in Siauliai, Lithuania

Last updated: August 23, 2025

In January, the average temperature in Siauliai, Lithuania hovers around -1°C (30°F). Temperatures can vary significantly, with a minimum of -25°C (-12°F) and reaching up to a maximum of 7°C (45°F). Expect a total precipitation of about 44 mm (1.7 in) over 10 days, accompanied by high average humidity at 94%, making it a chilly and damp month.

January Temperature in Siauliai

In January in Siauliai, the average temperature is -1°C (30°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -25°C (-12°F). Travelers should prepare for cold weather conditions and dress warmly to enjoy their time in Siauliai.

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

The chart illustrates January temperature patterns in Siauliai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siauliai, January typically has an average temperature of -1°C (30°F), with highs reaching up to 7°C (45°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in Siauliai

In Siauliai in January, the total precipitation amount is 44 mm (1.7 in) over the course of 10 days.

January Precipitation Trends in Siauliai

The chart displays monthly precipitation patterns in Siauliai, 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 Siauliai, January typically receives around 44 mm (1.7 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 Siauliai

In Siauliai in January humidity is 94%. With an average temperature of -1°C (30°F), this humidity feels like a chilling blanket that wraps around you, making every outdoor excursion uncomfortable and damp, as you battle the cold air that clings to your skin and seeps into your clothes.

January Average Humidity in Siauliai

This chart illustrates the average monthly humidity levels in Siauliai, 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 Siauliai is approximately 94%, 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 Siauliai

In Siauliai in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Siauliai.

Maximum UV Index Levels in Siauliai for January

The chart shows the monthly maximum UV Index (UVI) for Siauliai 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 Siauliai typically reaches 1, which falls under the low exposure category.

Data source: Siauliai 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 Siauliai Compares to Other Months

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

This table compares monthly weather conditions in Siauliai, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	44 mm (1.7 inches)	94%	low
February Weather	-2°C (29°F)	36 mm (1.4 inches)	92%	low
March Weather	1°C (35°F)	45 mm (1.8 inches)	90%	moderate
April Weather	6°C (44°F)	35 mm (1.4 inches)	86%	moderate
May Weather	12°C (53°F)	65 mm (2.5 inches)	72%	high
June Weather	17°C (64°F)	51 mm (2.0 inches)	74%	high
July Weather	18°C (65°F)	91 mm (3.6 inches)	76%	high
August Weather	17°C (63°F)	75 mm (2.9 inches)	74%	high
September Weather	13°C (56°F)	62 mm (2.4 inches)	83%	moderate
October Weather	9°C (48°F)	60 mm (2.4 inches)	91%	moderate
November Weather	4°C (40°F)	52 mm (2.1 inches)	93%	low
December Weather	0°C (32°F)	50 mm (2.0 inches)	95%	low