January Weather in De Graff, United States

Last updated: June 24, 2025

In January, the average temperature in De Graff, United States hovers around -1°C (30°F), with a significant range that can dip to a chilling -25°C (-12°F) and occasionally reach a warm 20°C (68°F). Prepare for the nine days of expected precipitation, totaling around 73 mm (2.9 in), amidst an average humidity level of 88%. Stay cozy and dry!

January Temperature in De Graff

In January in De Graff, the average temperature is -1°C (30°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop to as low as -25°C (-12°F). Be prepared for a wide range of temperatures during your visit, and pack accordingly to enjoy all that De Graff has to offer.

January Weather in De Graff: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in De Graff, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In De Graff, January typically has an average temperature of -1°C (30°F), with highs reaching up to 20°C (68°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in De Graff

In De Graff in January, the precipitation amount is 73 mm (2.9 in), occurring over the course of 9 days.

January Precipitation Trends in De Graff

The chart displays monthly precipitation patterns in De Graff, 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 De Graff, January typically receives around 73 mm (2.9 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 De Graff

In De Graff in January humidity is 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

January Average Humidity in De Graff

This chart illustrates the average monthly humidity levels in De Graff, 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 De Graff is approximately 88%, 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 De Graff

In De Graff 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 De Graff, you can check the information here.

Maximum UV Index Levels in De Graff for January

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

Data source: De Graff 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 De Graff Compares to Other Months

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

This table compares monthly weather conditions in De Graff, 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 (30°F)	73 mm (2.9 inches)	88%	moderate
February Weather	0°C (33°F)	99 mm (3.9 inches)	87%	moderate
March Weather	5°C (42°F)	102 mm (4.0 inches)	87%	high
April Weather	10°C (51°F)	104 mm (4.1 inches)	87%	very high
May Weather	17°C (63°F)	122 mm (4.8 inches)	81%	very high
June Weather	22°C (72°F)	119 mm (4.7 inches)	82%	very high
July Weather	24°C (76°F)	104 mm (4.1 inches)	81%	very high
August Weather	23°C (73°F)	92 mm (3.6 inches)	78%	very high
September Weather	20°C (69°F)	77 mm (3.0 inches)	78%	very high
October Weather	14°C (57°F)	100 mm (3.9 inches)	82%	high
November Weather	5°C (41°F)	93 mm (3.7 inches)	89%	moderate
December Weather	2°C (35°F)	82 mm (3.2 inches)	86%	moderate