January Weather in Rolling Hills, United States

Last updated: June 24, 2025

In January, the average temperature in Rolling Hills, United States hovers around 14°C (58°F). You can expect a minimum of 6°C (43°F) and a comfortable maximum of 27°C (82°F). During this time, precipitation tends to accumulate to about 61 mm (2.4 in) over the course of 5 days, while the average humidity levels linger at a steady 74%.

January Temperature in Rolling Hills

In January in Rolling Hills, the average temperature is 14°C (58°F). Maximums can reach 27°C (82°F), while minimums can drop to as low as 6°C (43°F). This range makes it a great time for travelers to enjoy outdoor activities while being prepared for both warm and cooler conditions.

January Weather in Rolling Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rolling Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rolling Hills, January typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (82°F) and lows dropping to around 6°C (43°F).

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

January Precipitation in Rolling Hills

In Rolling Hills, in January, the precipitation amount is 61 mm (2.4 in) over the course of 5 days.

January Precipitation Trends in Rolling Hills

The chart displays monthly precipitation patterns in Rolling Hills, 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 Rolling Hills, January typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 5 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 Rolling Hills

In Rolling Hills in January humidity is 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

January Average Humidity in Rolling Hills

This chart illustrates the average monthly humidity levels in Rolling Hills, 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 Rolling Hills is approximately 74%, 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 Rolling Hills

In Rolling Hills 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 Rolling Hills for better planning.

Maximum UV Index Levels in Rolling Hills for January

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

Data source: Rolling Hills 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 Rolling Hills Compares to Other Months

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

This table compares monthly weather conditions in Rolling Hills, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	61 mm (2.4 inches)	74%	moderate
February Weather	14°C (58°F)	48 mm (1.9 inches)	79%	high
March Weather	15°C (59°F)	52 mm (2.1 inches)	75%	very high
April Weather	17°C (62°F)	18 mm (0.7 inches)	70%	very high
May Weather	17°C (63°F)	10 mm (0.4 inches)	70%	very high
June Weather	19°C (66°F)	3 mm (0.1 inches)	72%	extreme
July Weather	21°C (71°F)	3 mm (0.1 inches)	73%	extreme
August Weather	22°C (72°F)	1 mm (0.1 inches)	69%	very high
September Weather	22°C (71°F)	3 mm (0.1 inches)	68%	very high
October Weather	20°C (69°F)	8 mm (0.3 inches)	67%	high
November Weather	17°C (63°F)	17 mm (0.7 inches)	68%	moderate
December Weather	14°C (58°F)	70 mm (2.8 inches)	71%	moderate