January Weather in Campbell, United States

Last updated: June 24, 2025

In Campbell, United States, the average temperature in January hovers around 16°C (62°F), offering a comfortable atmosphere. However, expect fluctuations, with lows dipping to -3°C (28°F) and highs reaching up to 29°C (85°F). During this month, precipitation averages 38 mm (1.5 in) over 4 days, while the humidity level remains relatively high at 83%, creating a uniquely refreshing environment.

January Temperature in Campbell

In January in Campbell, the average temperature is 16°C (62°F). The maximum can reach 29°C (85°F) and the minimum can be as low as -3°C (28°F). Be prepared for a wide range of temperatures, allowing for both warm days and chilly evenings during your travels.

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

The chart illustrates January temperature patterns in Campbell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Campbell, January typically has an average temperature of 16°C (62°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (28°F).

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

January Precipitation in Campbell

In Campbell in January, the total precipitation amount is 38 mm (1.5 in) spread over the course of 4 days.

January Precipitation Trends in Campbell

The chart displays monthly precipitation patterns in Campbell, 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 Campbell, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 4 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 Campbell

In Campbell in January humidity is 83%. With an average temperature of 16°C (62°F), this humidity feels like a warm, sticky embrace that can make traveling feel a bit heavy, leaving you longing for refreshing breezes and shaded spots to relax in.

January Average Humidity in Campbell

This chart illustrates the average monthly humidity levels in Campbell, 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 Campbell is approximately 83%, 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 Campbell

In Campbell 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 Campbell.

Maximum UV Index Levels in Campbell for January

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

Data source: Campbell 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 Campbell Compares to Other Months

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

This table compares monthly weather conditions in Campbell, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (62°F)	38 mm (1.5 inches)	83%	moderate
February Weather	20°C (68°F)	49 mm (1.9 inches)	80%	very high
March Weather	21°C (69°F)	17 mm (0.7 inches)	75%	very high
April Weather	23°C (74°F)	68 mm (2.7 inches)	70%	extreme
May Weather	26°C (78°F)	109 mm (4.3 inches)	68%	extreme
June Weather	27°C (81°F)	220 mm (8.6 inches)	75%	extreme
July Weather	28°C (82°F)	220 mm (8.7 inches)	79%	extreme
August Weather	28°C (82°F)	232 mm (9.1 inches)	81%	extreme
September Weather	27°C (81°F)	185 mm (7.3 inches)	83%	extreme
October Weather	25°C (78°F)	88 mm (3.5 inches)	81%	very high
November Weather	21°C (69°F)	40 mm (1.6 inches)	82%	high
December Weather	18°C (65°F)	58 mm (2.3 inches)	84%	moderate