January Weather in Caldwell, United States

Last updated: June 24, 2025

In January, the average temperature in Caldwell, United States is a pleasant 11°C (52°F). However, temperatures can vary significantly, with a minimum of -9°C (15°F) and a maximum reaching 29°C (84°F). Expect around 70 mm (2.8 in) of precipitation over 7 days, and be prepared for a relatively high average humidity of 79%.

January Temperature in Caldwell

In January in Caldwell, the average temperature is 11°C (52°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -9°C (15°F). Whether you're looking for warm days or cooler evenings, pack accordingly to fully enjoy your travels in Caldwell.

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

The chart illustrates January temperature patterns in Caldwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caldwell, January typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -9°C (15°F).

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

January Precipitation in Caldwell

In Caldwell in January, the precipitation amount is 70 mm (2.8 in) over a span of 7 days.

January Precipitation Trends in Caldwell

The chart displays monthly precipitation patterns in Caldwell, 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 Caldwell, January typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 7 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 Caldwell

In Caldwell in January humidity is 79%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps through your clothes, making prolonged outdoor activities uncomfortable for travelers.

January Average Humidity in Caldwell

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

In Caldwell 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 Caldwell.

Maximum UV Index Levels in Caldwell for January

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

Data source: Caldwell 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 Caldwell Compares to Other Months

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

This table compares monthly weather conditions in Caldwell, 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 (52°F)	70 mm (2.8 inches)	79%	moderate
February Weather	12°C (54°F)	73 mm (2.9 inches)	80%	very high
March Weather	18°C (64°F)	75 mm (3.0 inches)	78%	very high
April Weather	20°C (69°F)	137 mm (5.4 inches)	79%	extreme
May Weather	25°C (77°F)	156 mm (6.1 inches)	81%	extreme
June Weather	28°C (83°F)	115 mm (4.5 inches)	77%	extreme
July Weather	29°C (85°F)	85 mm (3.4 inches)	71%	extreme
August Weather	30°C (87°F)	119 mm (4.7 inches)	67%	extreme
September Weather	27°C (81°F)	127 mm (5.0 inches)	69%	very high
October Weather	22°C (71°F)	102 mm (4.0 inches)	73%	very high
November Weather	16°C (61°F)	72 mm (2.8 inches)	82%	high
December Weather	13°C (56°F)	101 mm (4.0 inches)	87%	moderate