January Weather in Timonium, United States

Last updated: June 24, 2025

In Timonium, United States, the average temperature in January hovers around 2°C (36°F), with extremes ranging from a chilly -14°C (6°F) to a mild 19°C (66°F). Expect about 63 mm (2.5 in) of precipitation spread over 8 days, while the air maintains a high humidity level of 84%. Whether you're bundling up against the cold or enjoying the occasional sunny day, this month offers a unique blend of weather experiences.

January Temperature in Timonium

In January in Timonium, the average temperature is 2°C (36°F). The maximum can reach 19°C (66°F) and the minimum can be as low as -14°C (6°F). It's advisable to pack layers and be prepared for a range of temperatures when traveling to Timonium during this time.

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

The chart illustrates January temperature patterns in Timonium, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Timonium, January typically has an average temperature of 2°C (36°F), with highs reaching up to 19°C (66°F) and lows dropping to around -14°C (6°F).

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

January Precipitation in Timonium

In Timonium in January, the precipitation amount is 63 mm (2.5 in) spread over 8 days.

January Precipitation Trends in Timonium

The chart displays monthly precipitation patterns in Timonium, 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 Timonium, January typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 8 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 Timonium

In Timonium in January, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

January Average Humidity in Timonium

This chart illustrates the average monthly humidity levels in Timonium, 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 Timonium 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 Timonium

In Timonium 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 Timonium, you can check the information here.

Maximum UV Index Levels in Timonium for January

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

Data source: Timonium 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 Timonium Compares to Other Months

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

This table compares monthly weather conditions in Timonium, 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 (36°F)	63 mm (2.5 inches)	84%	moderate
February Weather	4°C (39°F)	98 mm (3.9 inches)	83%	moderate
March Weather	7°C (45°F)	94 mm (3.7 inches)	83%	high
April Weather	13°C (55°F)	106 mm (4.2 inches)	81%	very high
May Weather	18°C (65°F)	145 mm (5.7 inches)	78%	very high
June Weather	23°C (74°F)	117 mm (4.6 inches)	79%	very high
July Weather	26°C (79°F)	151 mm (6.0 inches)	74%	very high
August Weather	24°C (76°F)	154 mm (6.1 inches)	72%	very high
September Weather	21°C (71°F)	116 mm (4.6 inches)	75%	very high
October Weather	16°C (61°F)	109 mm (4.3 inches)	81%	high
November Weather	8°C (46°F)	88 mm (3.5 inches)	85%	moderate
December Weather	4°C (40°F)	102 mm (4.0 inches)	84%	moderate