January Weather in Riverdale, United States

Last updated: June 24, 2025

In January, the average temperature in Riverdale, United States hovers around -3°C (27°F), with extremes reaching as low as -29°C (-21°F) and peaking at 14°C (57°F). Expect 68 mm (2.7 in) of precipitation over approximately 9 days, accompanied by a humid atmosphere with an average humidity of 82%. Stay prepared for a chilly and damp month!

January Temperature in Riverdale

In January in Riverdale, the average temperature is -3°C (27°F), with maximums reaching up to 14°C (57°F) and minimums plummeting as low as -29°C (-21°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.

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

The chart illustrates January temperature patterns in Riverdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riverdale, January typically has an average temperature of -3°C (27°F), with highs reaching up to 14°C (57°F) and lows dropping to around -29°C (-21°F).

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

January Precipitation in Riverdale

In Riverdale in January, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

January Precipitation Trends in Riverdale

The chart displays monthly precipitation patterns in Riverdale, 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 Riverdale, January typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 9 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 Riverdale

In Riverdale in January, humidity is 82%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm while navigating through the damp air.

January Average Humidity in Riverdale

This chart illustrates the average monthly humidity levels in Riverdale, 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 Riverdale is approximately 82%, 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 Riverdale

In Riverdale 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 Riverdale, you can check the information here.

Maximum UV Index Levels in Riverdale for January

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

Data source: Riverdale 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 Riverdale Compares to Other Months

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

This table compares monthly weather conditions in Riverdale, 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 (27°F)	68 mm (2.7 inches)	82%	moderate
February Weather	-2°C (29°F)	70 mm (2.7 inches)	83%	moderate
March Weather	4°C (39°F)	95 mm (3.7 inches)	84%	high
April Weather	8°C (47°F)	125 mm (4.9 inches)	85%	very high
May Weather	15°C (59°F)	156 mm (6.1 inches)	79%	very high
June Weather	21°C (70°F)	144 mm (5.7 inches)	82%	very high
July Weather	24°C (75°F)	104 mm (4.1 inches)	80%	very high
August Weather	23°C (73°F)	84 mm (3.3 inches)	81%	very high
September Weather	20°C (68°F)	78 mm (3.1 inches)	80%	very high
October Weather	13°C (55°F)	142 mm (5.6 inches)	82%	high
November Weather	4°C (40°F)	65 mm (2.6 inches)	88%	moderate
December Weather	1°C (34°F)	63 mm (2.5 inches)	84%	low