January Weather in Rosaryville, United States

Last updated: June 24, 2025

In Rosaryville, United States, the average temperature in January hovers around 3°C (38°F). Expect a chilly dip to a minimum of -14°C (8°F), while temperatures can reach a maximum of 21°C (71°F). During this time, precipitation averages 62 mm (2.4 in) over 7 days, accompanied by an average humidity of 84%. Prepare accordingly!

January Temperature in Rosaryville

In January in Rosaryville, the average temperature is 3°C (38°F), with maximums reaching 21°C (71°F) and minimums dropping as low as -14°C (8°F). This wide temperature range means travelers should be prepared for a variety of weather conditions to make the most of their visit.

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

The chart illustrates January temperature patterns in Rosaryville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosaryville, January typically has an average temperature of 3°C (38°F), with highs reaching up to 21°C (71°F) and lows dropping to around -14°C (8°F).

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

January Precipitation in Rosaryville

In Rosaryville in January, the total precipitation amount is 62 mm (2.4 in) observed over a span of 7 days.

January Precipitation Trends in Rosaryville

The chart displays monthly precipitation patterns in Rosaryville, 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 Rosaryville, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 7 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 Rosaryville

In Rosaryville in January, humidity is 84%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as the cold air clings to you and the moisture creates an oppressive heaviness in the atmosphere.

January Average Humidity in Rosaryville

This chart illustrates the average monthly humidity levels in Rosaryville, 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 Rosaryville is approximately 84%, 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 Rosaryville

In Rosaryville in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Rosaryville, you can check the information here.

Maximum UV Index Levels in Rosaryville for January

The chart shows the monthly maximum UV Index (UVI) for Rosaryville 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 Rosaryville typically reaches 3, which falls under the moderate exposure category.

Data source: Rosaryville 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 Rosaryville Compares to Other Months

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

This table compares monthly weather conditions in Rosaryville, 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 (38°F)	62 mm (2.4 inches)	84%	moderate
February Weather	5°C (42°F)	97 mm (3.8 inches)	83%	moderate
March Weather	8°C (47°F)	82 mm (3.2 inches)	83%	high
April Weather	14°C (57°F)	101 mm (4.0 inches)	81%	very high
May Weather	19°C (67°F)	127 mm (5.0 inches)	78%	very high
June Weather	24°C (76°F)	107 mm (4.2 inches)	79%	very high
July Weather	27°C (81°F)	167 mm (6.6 inches)	74%	very high
August Weather	25°C (78°F)	162 mm (6.4 inches)	72%	very high
September Weather	22°C (73°F)	102 mm (4.0 inches)	75%	very high
October Weather	17°C (63°F)	117 mm (4.6 inches)	81%	high
November Weather	9°C (49°F)	77 mm (3.0 inches)	85%	moderate
December Weather	6°C (42°F)	89 mm (3.5 inches)	84%	moderate