January Weather in Denison, United States

Last updated: June 24, 2025

In Denison, United States, the average temperature for January hovers around 7°C (45°F). Expect a dramatic range with minimums plummeting to -13°C (9°F) and maximums reaching up to 25°C (77°F). During this month, you'll encounter approximately 59 mm (2.3 in) of precipitation over 7 days, accompanied by an average humidity of 80%. Prepare for a mix of chilly and mild weather!

January Temperature in Denison

In January in Denison, the average temperature is 7°C (45°F). Maximums can reach 25°C (77°F) and minimums can be as low as -13°C (9°F). Pack accordingly for a wide range of temperatures during your trip!

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

The chart illustrates January temperature patterns in Denison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Denison, January typically has an average temperature of 7°C (45°F), with highs reaching up to 25°C (77°F) and lows dropping to around -13°C (9°F).

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

January Precipitation in Denison

In Denison in January, the precipitation amount is 59 mm (2.3 in) over a span of 7 days.

January Precipitation Trends in Denison

The chart displays monthly precipitation patterns in Denison, 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 Denison, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 7 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 Denison

In Denison in January, humidity is 80%. With an average temperature of 7°C (45°F), this humidity feels like you're wrapped in a damp blanket, making it quite uncomfortable for traveling and leaving you feeling chilly and clammy as you explore the area.

January Average Humidity in Denison

This chart illustrates the average monthly humidity levels in Denison, 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 Denison is approximately 80%, 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 Denison

In Denison 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 Denison for better planning.

Maximum UV Index Levels in Denison for January

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

Data source: Denison 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 Denison Compares to Other Months

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

This table compares monthly weather conditions in Denison, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	59 mm (2.3 inches)	80%	moderate
February Weather	8°C (47°F)	95 mm (3.7 inches)	79%	high
March Weather	14°C (58°F)	129 mm (5.1 inches)	78%	very high
April Weather	17°C (63°F)	130 mm (5.1 inches)	78%	very high
May Weather	23°C (73°F)	158 mm (6.2 inches)	81%	extreme
June Weather	27°C (81°F)	109 mm (4.3 inches)	78%	extreme
July Weather	29°C (84°F)	53 mm (2.1 inches)	73%	extreme
August Weather	28°C (83°F)	102 mm (4.0 inches)	66%	extreme
September Weather	25°C (78°F)	104 mm (4.1 inches)	65%	very high
October Weather	19°C (66°F)	165 mm (6.5 inches)	72%	very high
November Weather	12°C (55°F)	58 mm (2.3 inches)	82%	high
December Weather	10°C (50°F)	69 mm (2.7 inches)	87%	moderate