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January Weather in Rosalia, United States

Last updated: June 24, 2025

In January, the average temperature in Rosalia, United States hovers around 0°C (33°F). Expect chilly conditions, with minimum temperatures dipping to -20°C (-3°F) and highs reaching up to 12°C (54°F). During this time, the area experiences 72 mm (2.9 in) of precipitation over approximately 13 days, and a notable average humidity of 89% adds to the damp atmosphere.

January Temperature in Rosalia

In January in Rosalia, the average temperature is 0°C (33°F). The maximum can reach 12°C (54°F), and the minimum can be as low as -20°C (-3°F). Travelers should be prepared for a mix of chilly weather and occasional warmth, making layered clothing essential for comfort.

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

The chart illustrates January temperature patterns in Rosalia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosalia, January typically has an average temperature of 0°C (33°F), with highs reaching up to 12°C (54°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec333240475765747362483933
Data source: Temperature data for Rosalia 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 Rosalia

In Rosalia in January, the precipitation amount is 72 mm (2.9 in) over the course of 13 days.

January Precipitation Trends in Rosalia

The chart displays monthly precipitation patterns in Rosalia, 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 Rosalia, January typically receives around 72 mm (2.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7379635755253928618778
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Rosalia

In Rosalia in January humidity is 89%. With an average temperature of 0°C (33°F), this humidity feels like a heavy, damp blanket that clings to your skin, making travel uncomfortable and every breath seem colder and more constricted.

January Average Humidity in Rosalia

This chart illustrates the average monthly humidity levels in Rosalia, 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 Rosalia is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Rosalia

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

Maximum UV Index Levels in Rosalia for January

The chart shows the monthly maximum UV Index (UVI) for Rosalia 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 Rosalia typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457891097532
Data source: Rosalia 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 Rosalia Compares to Other Months

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

This table compares monthly weather conditions in Rosalia, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)72 mm (2.9 inches)89%low
February Weather0°C (32°F)79 mm (3.1 inches)89%moderate
March Weather5°C (41°F)63 mm (2.5 inches)87%moderate
April Weather9°C (48°F)57 mm (2.2 inches)84%high
May Weather14°C (57°F)55 mm (2.1 inches)77%very high
June Weather18°C (65°F)25 mm (1.0 inches)78%very high
July Weather23°C (74°F)3 mm (0.1 inches)77%very high
August Weather23°C (73°F)9 mm (0.4 inches)64%very high
September Weather17°C (63°F)27 mm (1.1 inches)62%high
October Weather9°C (48°F)61 mm (2.4 inches)79%moderate
November Weather4°C (40°F)87 mm (3.4 inches)87%moderate
December Weather0°C (33°F)78 mm (3.1 inches)90%low

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