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January Weather in Glendale, United States

Last updated: June 24, 2025

In January, the average temperature in Glendale, United States hovers around -2°C (30°F). Expect chilly days, with minimum temperatures plunging to -20°C (-4°F) and highs reaching up to 17°C (64°F). The month also sees 89 mm (3.5 in) of precipitation over about 14 days, contributing to a high average humidity of 88%. Prepare for a brisk and moist winter experience!

January Temperature in Glendale

In January in Glendale, the average temperature is -2°C (30°F), with maximums reaching 17°C (64°F) and minimums plummeting to -20°C (-4°F). Travelers should be prepared for a wide range of temperatures, from chilly conditions to relatively mild days.

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 -2°C (30°F), with highs reaching up to 17°C (64°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec293138485969747267574235
Data source: Temperature data for Glendale generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Glendale

In Glendale in January, the precipitation amount is 89 mm (3.5 in) over a span of 14 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 89 mm (3.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8995991201291301341039212110799
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Glendale

In Glendale in January humidity is 88%. With an average temperature of -2°C (30°F), this humidity feels like a biting chill that seeps into your bones, making it challenging to fully enjoy outdoor activities without bundling up in layers.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)89 mm (3.5 inches)88%moderate
February Weather0°C (32°F)95 mm (3.7 inches)88%moderate
March Weather3°C (38°F)98 mm (3.9 inches)87%high
April Weather9°C (48°F)120 mm (4.7 inches)87%very high
May Weather15°C (60°F)129 mm (5.1 inches)81%very high
June Weather21°C (69°F)130 mm (5.1 inches)83%very high
July Weather23°C (74°F)134 mm (5.3 inches)82%very high
August Weather22°C (72°F)103 mm (4.1 inches)76%very high
September Weather20°C (67°F)92 mm (3.6 inches)77%very high
October Weather14°C (57°F)121 mm (4.8 inches)82%high
November Weather5°C (42°F)107 mm (4.2 inches)89%moderate
December Weather2°C (35°F)99 mm (3.9 inches)86%low

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