January Weather in Riverdale, United States

Last updated: June 24, 2025

In January, the average temperature in Riverdale, United States hovers around 8°C (46°F), with a minimum dipping as low as -11°C (13°F) and a maximum reaching a pleasant 25°C (77°F). Expect precipitation of approximately 101 mm (4.0 in) over 9 days, contributing to an average humidity of 86% that envelops the region.

January Temperature in Riverdale

In January in Riverdale, average temperature is 8°C (46°F). Maximum can reach 25°C (77°F) and minimum can be as low as -11°C (13°F). Be prepared for a wide range of temperatures and pack accordingly for your travel.

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 8°C (46°F), with highs reaching up to 25°C (77°F) and lows dropping to around -11°C (13°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 total precipitation amount is 101 mm (4.0 in), occurring over a span of 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 101 mm (4.0 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 86%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

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 86%, 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 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 Riverdale for better planning.

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 4, 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	8°C (46°F)	101 mm (4.0 inches)	86%	moderate
February Weather	11°C (52°F)	134 mm (5.3 inches)	84%	high
March Weather	14°C (57°F)	117 mm (4.6 inches)	83%	very high
April Weather	17°C (63°F)	116 mm (4.6 inches)	81%	extreme
May Weather	22°C (71°F)	90 mm (3.6 inches)	81%	extreme
June Weather	25°C (77°F)	115 mm (4.5 inches)	81%	extreme
July Weather	26°C (80°F)	111 mm (4.4 inches)	83%	extreme
August Weather	26°C (79°F)	137 mm (5.4 inches)	81%	very high
September Weather	24°C (75°F)	111 mm (4.4 inches)	82%	very high
October Weather	19°C (67°F)	113 mm (4.4 inches)	78%	very high
November Weather	11°C (53°F)	79 mm (3.1 inches)	86%	high
December Weather	9°C (49°F)	136 mm (5.3 inches)	89%	moderate