January Weather in Caldwell, United States

Last updated: June 24, 2025

In January, the average temperature in Caldwell, United States hovers around 2°C (36°F), with a minimum drop reaching -18°C (1°F) and a maximum rise up to 22°C (72°F). Expect about 44 mm (1.7 in) of precipitation over 4 days, contributing to an average humidity of 75%. Prepare for a month of diverse weather as you plan your activities!

January Temperature in Caldwell

In January in Caldwell, the average temperature is 2°C (36°F). The maximum can reach 22°C (72°F) and the minimum can drop to as low as -18°C (1°F). Be prepared for a wide range of temperatures when traveling during this time.

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 2°C (36°F), with highs reaching up to 22°C (72°F) and lows dropping to around -18°C (1°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 44 mm (1.7 in) over the course of 4 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 44 mm (1.7 inches) of precipitation spread over approximately 4 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 Caldwell

In Caldwell in January, humidity is 75%. With an average temperature of 2°C (36°F), this humidity feels like a crisp chill that penetrates through layers of clothing, making outdoor exploration invigorating yet a bit uncomfortable for travelers who may not be prepared for such damp conditions.

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 75%, 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 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 Caldwell, you can check the information here.

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 3, 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	2°C (36°F)	44 mm (1.7 inches)	75%	moderate
February Weather	3°C (37°F)	31 mm (1.2 inches)	76%	high
March Weather	10°C (51°F)	88 mm (3.5 inches)	67%	high
April Weather	14°C (58°F)	89 mm (3.5 inches)	70%	very high
May Weather	20°C (68°F)	172 mm (6.8 inches)	82%	very high
June Weather	26°C (79°F)	123 mm (4.8 inches)	82%	extreme
July Weather	28°C (82°F)	51 mm (2.0 inches)	81%	extreme
August Weather	26°C (80°F)	96 mm (3.8 inches)	76%	very high
September Weather	24°C (75°F)	77 mm (3.0 inches)	67%	very high
October Weather	15°C (60°F)	127 mm (5.0 inches)	72%	high
November Weather	9°C (48°F)	25 mm (1.0 inches)	80%	moderate
December Weather	5°C (41°F)	30 mm (1.2 inches)	83%	moderate