January Weather in Glendale, United States

Last updated: June 24, 2025

In January, the average temperature in Glendale, United States hovers around 4°C (39°F). Expect the minimum to dip as low as -14°C (7°F), while the maximum can reach up to 15°C (60°F). With 162 mm (6.4 in) of precipitation spread over 15 days, you'll want to bring a raincoat. The air is quite damp too, with an average humidity level of 84%.

January Temperature in Glendale

In January in Glendale, the average temperature is 4°C (39°F), with maximums reaching up to 15°C (60°F) and minimums dropping as low as -14°C (7°F). Travelers should prepare for a mix of chilly and mild weather, making layered clothing essential.

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

The chart illustrates January temperature patterns in Glendale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glendale, January typically has an average temperature of 4°C (39°F), with highs reaching up to 15°C (60°F) and lows dropping to around -14°C (7°F).

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

January Precipitation in Glendale

In Glendale in January, the total precipitation amount is 162 mm (6.4 in) spread over 15 days.

January Precipitation Trends in Glendale

The chart displays monthly precipitation patterns in Glendale, 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 Glendale, January typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 15 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 Glendale

In Glendale in January, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

January Average Humidity in Glendale

This chart illustrates the average monthly humidity levels in Glendale, 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 Glendale is approximately 84%, 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 Glendale

In Glendale 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 Glendale, you can check the information here.

Maximum UV Index Levels in Glendale for January

The chart shows the monthly maximum UV Index (UVI) for Glendale 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 Glendale typically reaches 3, which falls under the moderate exposure category.

Data source: Glendale 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 Glendale Compares to Other Months

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

This table compares monthly weather conditions in Glendale, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	162 mm (6.4 inches)	84%	moderate
February Weather	4°C (39°F)	186 mm (7.3 inches)	85%	moderate
March Weather	6°C (43°F)	130 mm (5.1 inches)	86%	high
April Weather	9°C (48°F)	111 mm (4.4 inches)	83%	very high
May Weather	12°C (55°F)	59 mm (2.3 inches)	83%	very high
June Weather	16°C (61°F)	28 mm (1.1 inches)	83%	extreme
July Weather	20°C (68°F)	1 mm (0.0 inches)	78%	very high
August Weather	20°C (68°F)	6 mm (0.3 inches)	67%	very high
September Weather	16°C (62°F)	52 mm (2.0 inches)	66%	very high
October Weather	11°C (52°F)	58 mm (2.3 inches)	77%	high
November Weather	7°C (45°F)	113 mm (4.4 inches)	87%	moderate
December Weather	3°C (38°F)	146 mm (5.7 inches)	87%	low