January Weather in Ashton-Sandy Spring, United States

Last updated: June 24, 2025

In January, the average temperature in Ashton-Sandy Spring, United States hovers around 2°C (36°F), with a minimum chilling down to -15°C (6°F) and a maximum reaching up to 21°C (70°F). During this period, expect 60 mm (2.4 in) of precipitation over approximately 7 days, while the air remains quite humid at an average of 84%.

January Temperature in Ashton-Sandy Spring

In January in Ashton-Sandy Spring, the average temperature is 2°C (36°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop as low as -15°C (6°F). This wide range of temperatures makes it essential to pack appropriately for your travels, ensuring you’re prepared for both mild and chilly weather.

January Weather in Ashton-Sandy Spring: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Ashton-Sandy Spring, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashton-Sandy Spring, January typically has an average temperature of 2°C (36°F), with highs reaching up to 21°C (70°F) and lows dropping to around -15°C (6°F).

Data source: Temperature data for Ashton-Sandy Spring generated using information from the Copernicus Climate Change Service.

January Precipitation in Ashton-Sandy Spring

In Ashton-Sandy Spring in January, the precipitation amount is 60 mm (2.4 in) over the course of 7 days.

January Precipitation Trends in Ashton-Sandy Spring

The chart displays monthly precipitation patterns in Ashton-Sandy Spring, 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 Ashton-Sandy Spring, January typically receives around 60 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 Ashton-Sandy Spring

In Ashton-Sandy Spring 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 Ashton-Sandy Spring

This chart illustrates the average monthly humidity levels in Ashton-Sandy Spring, 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 Ashton-Sandy Spring 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 Ashton-Sandy Spring

In Ashton-Sandy Spring 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 Ashton-Sandy Spring, you can check the information here.

Maximum UV Index Levels in Ashton-Sandy Spring for January

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

Data source: Ashton-Sandy Spring 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 Ashton-Sandy Spring Compares to Other Months

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

This table compares monthly weather conditions in Ashton-Sandy Spring, 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)	60 mm (2.4 inches)	84%	moderate
February Weather	4°C (40°F)	99 mm (3.9 inches)	83%	moderate
March Weather	7°C (45°F)	89 mm (3.5 inches)	83%	high
April Weather	13°C (56°F)	94 mm (3.7 inches)	81%	very high
May Weather	18°C (65°F)	139 mm (5.5 inches)	78%	very high
June Weather	23°C (74°F)	133 mm (5.2 inches)	79%	very high
July Weather	26°C (80°F)	168 mm (6.6 inches)	74%	very high
August Weather	25°C (77°F)	148 mm (5.8 inches)	72%	very high
September Weather	21°C (71°F)	105 mm (4.1 inches)	75%	very high
October Weather	16°C (61°F)	106 mm (4.2 inches)	81%	high
November Weather	8°C (47°F)	84 mm (3.3 inches)	85%	moderate
December Weather	4°C (40°F)	95 mm (3.7 inches)	84%	moderate