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January Weather in Harlau, Romania

Last updated: August 27, 2025

In January, the average temperature in Harlau, Romania hovers around -1°C (31°F). Expect chilly conditions, with minimum temperatures plummeting to -20°C (-4°F), while the mercury can climb to a maximum of 13°C (56°F). Be prepared for some wet weather, as there's typically around 23 mm (0.9 in) of precipitation spread over 6 days, and you'll likely feel the dampness with an average humidity of 92%.

January Temperature in Harlau

In January in Harlau, the average temperature is -1°C (31°F). Maximum temperatures can reach 13°C (56°F), while minimums can drop as low as -20°C (-4°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to stay comfortable.

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

The chart illustrates January temperature patterns in Harlau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harlau, January typically has an average temperature of -1°C (31°F), with highs reaching up to 13°C (56°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec303441526170727364534334
Data source: Temperature data for Harlau generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Harlau

In Harlau in January, the precipitation amount is 23 mm (0.9 in) spread over 6 days.

January Precipitation Trends in Harlau

The chart displays monthly precipitation patterns in Harlau, 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 Harlau, January typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2338393568115724336343254
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Harlau

In Harlau in January humidity is 92%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, damp chill that seeps into your bones, making travel uncomfortable and challenging as the cold air mixes with the moisture, creating a biting sensation that lingers long after stepping outside.

January Average Humidity in Harlau

This chart illustrates the average monthly humidity levels in Harlau, 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 Harlau is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%86%79%73%73%69%56%62%81%89%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Harlau

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

Maximum UV Index Levels in Harlau for January

The chart shows the monthly maximum UV Index (UVI) for Harlau 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 Harlau typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Harlau 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 Harlau Compares to Other Months

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

This table compares monthly weather conditions in Harlau, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)23 mm (0.9 inches)92%low
February Weather1°C (34°F)38 mm (1.5 inches)88%moderate
March Weather5°C (41°F)39 mm (1.5 inches)86%moderate
April Weather11°C (52°F)35 mm (1.4 inches)79%high
May Weather16°C (62°F)68 mm (2.7 inches)73%very high
June Weather21°C (70°F)115 mm (4.5 inches)73%very high
July Weather22°C (72°F)72 mm (2.8 inches)68%very high
August Weather23°C (73°F)43 mm (1.7 inches)56%very high
September Weather18°C (64°F)36 mm (1.4 inches)62%high
October Weather12°C (54°F)34 mm (1.3 inches)80%moderate
November Weather6°C (43°F)32 mm (1.3 inches)89%moderate
December Weather1°C (35°F)54 mm (2.1 inches)90%low

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