January Weather in Congress, United States

Last updated: June 24, 2025

In January, the average temperature in Congress, United States hovers around 8°C (47°F). While it can dip to a chilly -7°C (20°F) at its minimum, temperatures can rise as high as 23°C (74°F) on warmer days. Expect about 46 mm (1.8 in) of precipitation spread over 5 days, with an average humidity level of 77%, creating a refreshing atmosphere throughout the month.

January Temperature in Congress

In January in Congress, the average temperature is 8°C (47°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -7°C (20°F). This range makes it essential for travelers to pack layers to adapt to the varying weather conditions.

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

The chart illustrates January temperature patterns in Congress, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Congress, January typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (74°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in Congress

In Congress in January, the precipitation amount is 46 mm (1.8 in) recorded over a span of 5 days.

January Precipitation Trends in Congress

The chart displays monthly precipitation patterns in Congress, 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 Congress, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 5 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 Congress

In Congress in January, humidity is 77%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that can make even short walks outside feel uncomfortable, often clinging to your skin and making you long for warmer, drier conditions.

January Average Humidity in Congress

This chart illustrates the average monthly humidity levels in Congress, 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 Congress is approximately 77%, 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 Congress

In Congress in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Congress for better planning.

Maximum UV Index Levels in Congress for January

The chart shows the monthly maximum UV Index (UVI) for Congress 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 Congress typically reaches 4, which falls under the moderate exposure category.

Data source: Congress 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 Congress Compares to Other Months

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

This table compares monthly weather conditions in Congress, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	46 mm (1.8 inches)	77%	moderate
February Weather	9°C (48°F)	47 mm (1.8 inches)	80%	high
March Weather	12°C (55°F)	46 mm (1.8 inches)	68%	very high
April Weather	18°C (64°F)	5 mm (0.2 inches)	58%	extreme
May Weather	22°C (71°F)	8 mm (0.3 inches)	45%	extreme
June Weather	28°C (82°F)	5 mm (0.2 inches)	31%	extreme
July Weather	29°C (85°F)	70 mm (2.8 inches)	27%	extreme
August Weather	29°C (84°F)	34 mm (1.3 inches)	30%	extreme
September Weather	26°C (79°F)	27 mm (1.0 inches)	48%	very high
October Weather	19°C (66°F)	23 mm (0.9 inches)	59%	very high
November Weather	14°C (57°F)	28 mm (1.1 inches)	70%	high
December Weather	9°C (48°F)	31 mm (1.2 inches)	77%	moderate