January Weather in Costesti, Romania

Last updated: August 27, 2025

In January, the average temperature in Costesti, Romania hovers around -3°C (27°F). Expect chilly conditions, with lows plummeting to -22°C (-7°F) and occasional highs reaching up to 11°C (52°F). Additionally, be prepared for 59 mm (2.3 in) of precipitation spread over 9 days, contributing to an average humidity level of a damp 91%.

January Temperature in Costesti

In January in Costesti, the average temperature is -3°C (27°F), with maximums reaching up to 11°C (52°F) and minimums plummeting to as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.

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

The chart illustrates January temperature patterns in Costesti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Costesti, January typically has an average temperature of -3°C (27°F), with highs reaching up to 11°C (52°F) and lows dropping to around -22°C (-7°F).

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

January Precipitation in Costesti

In Costesti in January, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

January Precipitation Trends in Costesti

The chart displays monthly precipitation patterns in Costesti, 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 Costesti, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 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 Costesti

In Costesti in January humidity is 91%. With an average temperature of -3°C (27°F), this humidity feels like a thick, icy blanket wrapping around you, making travel quite uncomfortable as every breath is a mix of frigid air and moisture, and the cold dampness clings to your skin, turning even short outings into a test of endurance.

January Average Humidity in Costesti

This chart illustrates the average monthly humidity levels in Costesti, 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 Costesti is approximately 91%, 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 Costesti

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

Maximum UV Index Levels in Costesti for January

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

Data source: Costesti 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 Costesti Compares to Other Months

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

This table compares monthly weather conditions in Costesti, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	59 mm (2.3 inches)	91%	low
February Weather	0°C (32°F)	59 mm (2.3 inches)	86%	moderate
March Weather	2°C (37°F)	79 mm (3.1 inches)	83%	high
April Weather	7°C (45°F)	72 mm (2.8 inches)	74%	high
May Weather	12°C (54°F)	174 mm (6.9 inches)	70%	very high
June Weather	16°C (62°F)	161 mm (6.3 inches)	67%	very high
July Weather	18°C (64°F)	195 mm (7.7 inches)	65%	very high
August Weather	19°C (66°F)	112 mm (4.4 inches)	51%	very high
September Weather	14°C (58°F)	60 mm (2.3 inches)	58%	high
October Weather	9°C (48°F)	63 mm (2.5 inches)	80%	moderate
November Weather	4°C (40°F)	75 mm (2.9 inches)	88%	moderate
December Weather	-1°C (31°F)	114 mm (4.5 inches)	90%	low