January Weather in Rosu, Romania

Last updated: August 27, 2025

In January, the average temperature in Rosu, Romania hovers around -1°C (30°F). Expect chilly days, with temperatures dipping as low as -20°C (-4°F) and rising to a maximum of 13°C (55°F). During this period, 26 mm (1.0 in) of precipitation is typically recorded over 4 days, and the air remains quite damp with an average humidity of 89%. Stay warm and prepared! 🧣❄️

January Temperature in Rosu

In January in Rosu, the average temperature is -1°C (30°F), with maximums reaching 13°C (55°F) and minimums dipping as low as -20°C (-4°F). Be prepared for a range of temperatures, and dress in layers to ensure comfort during your travels.

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

The chart illustrates January temperature patterns in Rosu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosu, January typically has an average temperature of -1°C (30°F), with highs reaching up to 13°C (55°F) and lows dropping to around -20°C (-4°F).

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

January Precipitation in Rosu

In Rosu in January, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

January Precipitation Trends in Rosu

The chart displays monthly precipitation patterns in Rosu, 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 Rosu, January typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 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 Rosu

In Rosu in January humidity is 89%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that wraps around you, making outdoor travel uncomfortable and brisk, as the cold air sharpens the dampness, leaving you feeling colder than the thermometer suggests.

January Average Humidity in Rosu

This chart illustrates the average monthly humidity levels in Rosu, 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 Rosu is approximately 89%, 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 Rosu

In Rosu in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Rosu, you can visit Hourly UV Index in Rosu.

Maximum UV Index Levels in Rosu for January

The chart shows the monthly maximum UV Index (UVI) for Rosu 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 Rosu typically reaches 2, which falls under the low exposure category.

Data source: Rosu 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 Rosu Compares to Other Months

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

This table compares monthly weather conditions in Rosu, 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)	26 mm (1.0 inches)	89%	low
February Weather	1°C (34°F)	33 mm (1.3 inches)	87%	moderate
March Weather	5°C (41°F)	37 mm (1.5 inches)	84%	moderate
April Weather	11°C (51°F)	38 mm (1.5 inches)	78%	high
May Weather	16°C (61°F)	63 mm (2.5 inches)	69%	very high
June Weather	21°C (70°F)	93 mm (3.6 inches)	69%	very high
July Weather	22°C (72°F)	60 mm (2.4 inches)	63%	very high
August Weather	23°C (73°F)	37 mm (1.5 inches)	50%	high
September Weather	18°C (64°F)	27 mm (1.1 inches)	58%	high
October Weather	12°C (54°F)	34 mm (1.3 inches)	78%	moderate
November Weather	6°C (43°F)	26 mm (1.0 inches)	87%	moderate
December Weather	1°C (35°F)	51 mm (2.0 inches)	88%	low