January Weather in Coltau, Romania

Last updated: August 27, 2025

In Coltau, Romania, the average temperature in January hovers around -2°C (28°F), with extremes reaching as low as -23°C (-9°F) and peaking at 11°C (52°F). Visitors can expect approximately 58 mm (2.3 in) of precipitation over 11 days, contributing to an average humidity level of 93%. Be prepared for a chilly, damp atmosphere!

January Temperature in Coltau

In January in Coltau, the average temperature is -2°C (28°F), with maximums reaching 11°C (52°F) and minimums dropping as low as -23°C (-9°F). Travelers should be prepared for cold weather and significant temperature fluctuations during this time.

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

The chart illustrates January temperature patterns in Coltau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coltau, January typically has an average temperature of -2°C (28°F), with highs reaching up to 11°C (52°F) and lows dropping to around -23°C (-9°F).

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

January Precipitation in Coltau

In Coltau in January, the precipitation amount is 58 mm (2.3 in) over the course of 11 days.

January Precipitation Trends in Coltau

The chart displays monthly precipitation patterns in Coltau, 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 Coltau, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 11 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 Coltau

In Coltau in January, the humidity is 93%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making traveling feel uncomfortable and heavy as you contend with the dampness in the air, creating a stark contrast to the freezing temperatures.

January Average Humidity in Coltau

This chart illustrates the average monthly humidity levels in Coltau, 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 Coltau is approximately 93%, 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 Coltau

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

Maximum UV Index Levels in Coltau for January

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

Data source: Coltau 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 Coltau Compares to Other Months

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

This table compares monthly weather conditions in Coltau, 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 (28°F)	58 mm (2.3 inches)	93%	low
February Weather	1°C (35°F)	82 mm (3.2 inches)	88%	moderate
March Weather	5°C (41°F)	65 mm (2.6 inches)	86%	moderate
April Weather	10°C (50°F)	62 mm (2.4 inches)	79%	high
May Weather	15°C (59°F)	130 mm (5.1 inches)	71%	very high
June Weather	19°C (67°F)	117 mm (4.6 inches)	71%	very high
July Weather	20°C (68°F)	102 mm (4.0 inches)	64%	very high
August Weather	21°C (70°F)	54 mm (2.1 inches)	55%	very high
September Weather	16°C (61°F)	68 mm (2.7 inches)	64%	high
October Weather	11°C (52°F)	67 mm (2.6 inches)	83%	moderate
November Weather	6°C (43°F)	57 mm (2.2 inches)	91%	low
December Weather	1°C (35°F)	95 mm (3.8 inches)	92%	low