January Weather in Oakley, United States

Last updated: June 24, 2025

In January, the average temperature in Oakley, United States is a chilly -4°C (25°F), with minimums plummeting to -26°C (-14°F) and maximums peaking at 12°C (54°F). Expect precipitation of around 50 mm (2.0 in) over approximately 10 days, coupled with a high average humidity of 91%, making it a true winter experience!

January Temperature in Oakley

In January in Oakley, the average temperature is -4°C (25°F). The maximum can reach 12°C (54°F), and the minimum can be as low as -26°C (-14°F). It's essential to pack warm clothing and prepare for extreme temperature fluctuations if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Oakley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oakley, January typically has an average temperature of -4°C (25°F), with highs reaching up to 12°C (54°F) and lows dropping to around -26°C (-14°F).

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

January Precipitation in Oakley

In Oakley in January, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.

January Precipitation Trends in Oakley

The chart displays monthly precipitation patterns in Oakley, 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 Oakley, January typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Oakley

In Oakley in January humidity is 91%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that penetrates your clothing, making it uncomfortable for traveling as every gust of wind amplifies the cold and dampness in the air.

January Average Humidity in Oakley

This chart illustrates the average monthly humidity levels in Oakley, 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 Oakley is approximately 91%, 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 Oakley

In Oakley 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 Oakley, you can check the information here.

Maximum UV Index Levels in Oakley for January

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

Data source: Oakley 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 Oakley Compares to Other Months

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

This table compares monthly weather conditions in Oakley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	50 mm (2.0 inches)	91%	moderate
February Weather	-3°C (27°F)	59 mm (2.3 inches)	92%	moderate
March Weather	1°C (35°F)	50 mm (2.0 inches)	85%	high
April Weather	6°C (43°F)	55 mm (2.2 inches)	76%	very high
May Weather	11°C (52°F)	74 mm (2.9 inches)	66%	very high
June Weather	17°C (63°F)	35 mm (1.4 inches)	62%	extreme
July Weather	23°C (73°F)	18 mm (0.7 inches)	53%	extreme
August Weather	21°C (71°F)	29 mm (1.1 inches)	42%	very high
September Weather	16°C (61°F)	25 mm (1.0 inches)	46%	very high
October Weather	7°C (45°F)	39 mm (1.5 inches)	64%	high
November Weather	2°C (36°F)	41 mm (1.6 inches)	83%	moderate
December Weather	-4°C (25°F)	48 mm (1.9 inches)	87%	moderate