January Weather in Fort Washington, United States

Last updated: June 24, 2025

In January, the average temperature in Fort Washington, United States hovers around 1°C (34°F). Expect minimums dipping as low as -17°C (2°F) and maximums climbing up to 19°C (67°F). Precipitation is quite common, with around 67 mm (2.6 in) falling over 8 days. Moreover, the average humidity remains high at 87%, making it a chilly and damp month.

January Temperature in Fort Washington

In January in Fort Washington, the average temperature is 1°C (34°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures and bring appropriate clothing for both warm and cold conditions.

January Weather in Fort Washington: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Fort Washington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Washington, January typically has an average temperature of 1°C (34°F), with highs reaching up to 19°C (67°F) and lows dropping to around -17°C (2°F).

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

January Precipitation in Fort Washington

In Fort Washington in January, the total precipitation amount is 67 mm (2.6 in) over the course of 8 days.

January Precipitation Trends in Fort Washington

The chart displays monthly precipitation patterns in Fort Washington, 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 Fort Washington, January typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Fort Washington

In Fort Washington in January humidity is 87%. With an average temperature of 1°C (34°F), this humidity feels like a chilling blanket enveloping you, making every step outside feel heavy and damp, and leaving you longing for warmth and comfort while traveling.

January Average Humidity in Fort Washington

This chart illustrates the average monthly humidity levels in Fort Washington, 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 Fort Washington is approximately 87%, 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 Fort Washington

In Fort Washington 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 Fort Washington, you can check the information here.

Maximum UV Index Levels in Fort Washington for January

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

Data source: Fort Washington 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 Fort Washington Compares to Other Months

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

This table compares monthly weather conditions in Fort Washington, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	67 mm (2.6 inches)	87%	moderate
February Weather	3°C (37°F)	108 mm (4.3 inches)	85%	moderate
March Weather	6°C (43°F)	108 mm (4.3 inches)	85%	high
April Weather	12°C (53°F)	105 mm (4.1 inches)	83%	very high
May Weather	17°C (63°F)	144 mm (5.7 inches)	75%	very high
June Weather	22°C (72°F)	104 mm (4.1 inches)	73%	very high
July Weather	25°C (78°F)	148 mm (5.8 inches)	65%	very high
August Weather	24°C (75°F)	155 mm (6.1 inches)	62%	very high
September Weather	21°C (70°F)	96 mm (3.8 inches)	66%	very high
October Weather	15°C (60°F)	105 mm (4.2 inches)	79%	high
November Weather	7°C (45°F)	84 mm (3.3 inches)	87%	moderate
December Weather	3°C (38°F)	102 mm (4.0 inches)	85%	low