January Weather in Redwood, United States

Last updated: June 24, 2025

In January, the average temperature in Redwood, United States is a cool 11°C (53°F), with minimums dipping to -7°C (20°F) and maximums reaching a comfortable 28°C (82°F). Expect 46 mm (1.8 in) of precipitation over 6 days, contributing to an average humidity of 79%. Stay prepared for a mix of weather this month!

January Temperature in Redwood

In January in Redwood, the average temperature is 11°C (53°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -7°C (20°F). Travelers should prepare for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Redwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redwood, January typically has an average temperature of 11°C (53°F), with highs reaching up to 28°C (82°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in Redwood

In Redwood in January, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.

January Precipitation Trends in Redwood

The chart displays monthly precipitation patterns in Redwood, 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 Redwood, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 6 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 Redwood

In Redwood in January, humidity is 79%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that can make traveling uncomfortable, as the cool air clings to your skin and dampens your clothes, leaving you seeking shelter and a warm drink more often than not.

January Average Humidity in Redwood

This chart illustrates the average monthly humidity levels in Redwood, 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 Redwood is approximately 79%, 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 Redwood

In Redwood in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Redwood.

Maximum UV Index Levels in Redwood for January

The chart shows the monthly maximum UV Index (UVI) for Redwood 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 Redwood typically reaches 5, which falls under the moderate exposure category.

Data source: Redwood 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 Redwood Compares to Other Months

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

This table compares monthly weather conditions in Redwood, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (53°F)	46 mm (1.8 inches)	79%	moderate
February Weather	12°C (54°F)	57 mm (2.2 inches)	79%	very high
March Weather	18°C (65°F)	61 mm (2.4 inches)	74%	very high
April Weather	21°C (69°F)	92 mm (3.6 inches)	76%	extreme
May Weather	25°C (77°F)	136 mm (5.4 inches)	81%	extreme
June Weather	28°C (82°F)	95 mm (3.7 inches)	76%	extreme
July Weather	29°C (85°F)	78 mm (3.1 inches)	66%	extreme
August Weather	30°C (86°F)	96 mm (3.8 inches)	58%	extreme
September Weather	27°C (80°F)	109 mm (4.3 inches)	65%	extreme
October Weather	22°C (71°F)	85 mm (3.4 inches)	74%	very high
November Weather	16°C (61°F)	51 mm (2.0 inches)	81%	high
December Weather	13°C (56°F)	67 mm (2.6 inches)	86%	moderate