January Weather in Costesti, Romania

Last updated: August 27, 2025

In January, the average temperature in Costesti, Romania hovers around -1°C (30°F), varying from a chilly -17°C (1°F) at its coldest to a milder 13°C (56°F) at its warmest. This month sees about 23 mm (0.9 in) of precipitation spread across 6 days, accompanied by a high average humidity of 92%, creating a crisp and damp atmosphere.

January Temperature in Costesti

In January in Costesti, the average temperature is -1°C (30°F). Maximum temperatures can reach 13°C (56°F), while minimums can drop as low as -17°C (1°F). Be prepared for chilly weather and dress warmly if you're planning to travel during this time.

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 -1°C (30°F), with highs reaching up to 13°C (56°F) and lows dropping to around -17°C (1°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 23 mm (0.9 in) spread over 6 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 23 mm (0.9 inches) of precipitation spread over approximately 6 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 Costesti

In Costesti in January humidity is 92%. With an average temperature of -1°C (30°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities challenging and requiring extra layers to stay warm and dry while traveling.

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 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 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	-1°C (30°F)	23 mm (0.9 inches)	92%	low
February Weather	1°C (34°F)	39 mm (1.5 inches)	88%	moderate
March Weather	5°C (41°F)	40 mm (1.6 inches)	86%	moderate
April Weather	11°C (52°F)	36 mm (1.4 inches)	79%	high
May Weather	16°C (61°F)	73 mm (2.9 inches)	73%	very high
June Weather	21°C (70°F)	122 mm (4.8 inches)	73%	very high
July Weather	22°C (71°F)	78 mm (3.1 inches)	68%	very high
August Weather	22°C (72°F)	46 mm (1.8 inches)	56%	very high
September Weather	17°C (63°F)	40 mm (1.6 inches)	62%	high
October Weather	12°C (53°F)	34 mm (1.3 inches)	80%	moderate
November Weather	6°C (42°F)	32 mm (1.3 inches)	89%	moderate
December Weather	1°C (34°F)	53 mm (2.1 inches)	90%	low