January Weather in Dennison, United States

Last updated: June 24, 2025

In Dennison, United States, the average temperature in January hovers around -1°C (31°F). During this time, temperatures can dip as low as -23°C (-9°F) and reach a maximum of 21°C (70°F). Expect 92 mm (3.6 in) of precipitation spread across 11 days, contributing to an average humidity of a high 88%. Prepare for a chilly yet dynamic month!

January Temperature in Dennison

In January in Dennison, the average temperature is -1°C (31°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -23°C (-9°F). Be prepared for a wide range of weather conditions when traveling to Dennison during this time.

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

The chart illustrates January temperature patterns in Dennison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dennison, January typically has an average temperature of -1°C (31°F), with highs reaching up to 21°C (70°F) and lows dropping to around -23°C (-9°F).

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

January Precipitation in Dennison

In Dennison in January, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

January Precipitation Trends in Dennison

The chart displays monthly precipitation patterns in Dennison, 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 Dennison, January typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 11 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 Dennison

In Dennison in January, humidity is 88%. With an average temperature of -1°C (31°F), this humidity feels like a biting cold that penetrates your clothing, making outdoor exploration challenging and the air clingy, adding an extra chill that can make you feel even colder than the temperature suggests.

January Average Humidity in Dennison

This chart illustrates the average monthly humidity levels in Dennison, 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 Dennison 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 Dennison

In Dennison 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 Dennison, you can check the information here.

Maximum UV Index Levels in Dennison for January

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

Data source: Dennison 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 Dennison Compares to Other Months

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

This table compares monthly weather conditions in Dennison, 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 (31°F)	92 mm (3.6 inches)	88%	moderate
February Weather	1°C (34°F)	110 mm (4.3 inches)	88%	moderate
March Weather	5°C (41°F)	102 mm (4.0 inches)	87%	high
April Weather	11°C (51°F)	134 mm (5.3 inches)	87%	very high
May Weather	17°C (63°F)	121 mm (4.8 inches)	81%	very high
June Weather	21°C (71°F)	132 mm (5.2 inches)	83%	very high
July Weather	24°C (75°F)	126 mm (5.0 inches)	82%	very high
August Weather	23°C (73°F)	100 mm (4.0 inches)	76%	very high
September Weather	20°C (68°F)	110 mm (4.3 inches)	77%	very high
October Weather	14°C (57°F)	115 mm (4.5 inches)	82%	high
November Weather	5°C (42°F)	96 mm (3.8 inches)	89%	moderate
December Weather	2°C (36°F)	96 mm (3.8 inches)	86%	low