January Weather in Arcadia, United States

Last updated: June 24, 2025

In January, the average temperature in Arcadia, United States is a cool 6°C (44°F), with a notable range where the minimum can dip to -13°C (10°F) and the maximum can rise to 25°C (78°F). This month experiences about 90 mm (3.6 in) of precipitation spread over 9 days, contributing to an average humidity of 86%. Prepare for a brisk atmosphere and the possibility of damp days!

January Temperature in Arcadia

In January in Arcadia, the average temperature is 6°C (44°F). Maximum temperatures can reach 25°C (78°F), while minimums can drop as low as -13°C (10°F). Therefore, it’s advisable to pack layered clothing to comfortably enjoy a range of weather during your travels.

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

The chart illustrates January temperature patterns in Arcadia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arcadia, January typically has an average temperature of 6°C (44°F), with highs reaching up to 25°C (78°F) and lows dropping to around -13°C (10°F).

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

January Precipitation in Arcadia

In Arcadia in January, the precipitation amount is 90 mm (3.6 in) spread over the course of 9 days.

January Precipitation Trends in Arcadia

The chart displays monthly precipitation patterns in Arcadia, 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 Arcadia, January typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 9 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 Arcadia

In Arcadia in January, humidity is 86%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities quite uncomfortable for traveling.

January Average Humidity in Arcadia

This chart illustrates the average monthly humidity levels in Arcadia, 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 Arcadia is approximately 86%, 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 Arcadia

In Arcadia 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 Arcadia for better planning.

Maximum UV Index Levels in Arcadia for January

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

Data source: Arcadia 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 Arcadia Compares to Other Months

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

This table compares monthly weather conditions in Arcadia, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	90 mm (3.6 inches)	86%	moderate
February Weather	9°C (49°F)	127 mm (5.0 inches)	85%	high
March Weather	12°C (54°F)	96 mm (3.8 inches)	84%	very high
April Weather	16°C (62°F)	121 mm (4.8 inches)	82%	very high
May Weather	21°C (71°F)	126 mm (5.0 inches)	83%	extreme
June Weather	25°C (77°F)	77 mm (3.0 inches)	82%	extreme
July Weather	27°C (81°F)	87 mm (3.4 inches)	80%	extreme
August Weather	26°C (79°F)	106 mm (4.2 inches)	74%	very high
September Weather	23°C (75°F)	138 mm (5.4 inches)	75%	very high
October Weather	18°C (65°F)	114 mm (4.5 inches)	79%	very high
November Weather	10°C (51°F)	93 mm (3.6 inches)	87%	high
December Weather	8°C (47°F)	120 mm (4.7 inches)	87%	moderate