January Weather in Costana, Romania

Last updated: August 27, 2025

In January, the average temperature in Costana, Romania hovers around -2°C (29°F), with a notable minimum of -18°C (0°F) and a potential maximum reaching up to 12°C (54°F). Expect 26 mm (1.0 in) of precipitation spread over 7 days, contributing to an average humidity of a moist 92%. Be prepared for chilly and damp conditions!

January Temperature in Costana

In January in Costana, the average temperature is -2°C (29°F). The maximum can reach 12°C (54°F), while the minimum can drop as low as -18°C (0°F). Travelers should be prepared for chilly conditions and pack warm clothing to fully enjoy their visit.

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

The chart illustrates January temperature patterns in Costana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Costana, January typically has an average temperature of -2°C (29°F), with highs reaching up to 12°C (54°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Costana

In Costana in January, the total precipitation amount is 26 mm (1.0 in) spread over a period of 7 days.

January Precipitation Trends in Costana

The chart displays monthly precipitation patterns in Costana, 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 Costana, January typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 7 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 Costana

In Costana in January, humidity is 92%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket suffocating your breath, making every step outside a struggle as the cold air condenses the moisture around you, turning your travel experience into a chilling challenge.

January Average Humidity in Costana

This chart illustrates the average monthly humidity levels in Costana, 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 Costana is approximately 92%, 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 Costana

In Costana 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 Costana, you can visit Hourly UV Index in Costana.

Maximum UV Index Levels in Costana for January

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

Data source: Costana 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 Costana Compares to Other Months

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

This table compares monthly weather conditions in Costana, 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 (29°F)	26 mm (1.0 inches)	92%	low
February Weather	0°C (33°F)	44 mm (1.7 inches)	88%	moderate
March Weather	4°C (39°F)	51 mm (2.0 inches)	86%	moderate
April Weather	9°C (49°F)	46 mm (1.8 inches)	79%	high
May Weather	14°C (58°F)	95 mm (3.7 inches)	73%	very high
June Weather	19°C (66°F)	122 mm (4.8 inches)	73%	very high
July Weather	20°C (68°F)	84 mm (3.3 inches)	68%	very high
August Weather	20°C (69°F)	68 mm (2.7 inches)	56%	very high
September Weather	15°C (60°F)	40 mm (1.6 inches)	62%	high
October Weather	10°C (51°F)	31 mm (1.2 inches)	80%	moderate
November Weather	4°C (40°F)	34 mm (1.4 inches)	89%	moderate
December Weather	1°C (33°F)	54 mm (2.1 inches)	90%	low