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January Weather in Loma Linda, United States

Last updated: June 24, 2025

In January, the average temperature in Loma Linda, United States hovers around 2°C (37°F). Expect a chill with minimums dipping as low as -18°C (1°F), while maximums can reach a pleasant 21°C (70°F). Throughout the month, 82 mm (3.2 in) of precipitation is expected over 7 days, contributing to an average humidity of 81%. Stay prepared for a mix of chilly and rainy days!

January Temperature in Loma Linda

In January in Loma Linda, the average temperature is 2°C (37°F). The maximum can reach 21°C (70°F), and the minimum can be as low as -18°C (1°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is essential for comfort during this time.

January Weather in Loma Linda: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Loma Linda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Loma Linda, January typically has an average temperature of 2°C (37°F), with highs reaching up to 21°C (70°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec363951576777807874604742
Data source: Temperature data for Loma Linda 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 Loma Linda

In Loma Linda in January, the precipitation amount is 82 mm (3.2 in) over the course of 7 days.

January Precipitation Trends in Loma Linda

The chart displays monthly precipitation patterns in Loma Linda, 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 Loma Linda, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec82711431361888694108731405850
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Loma Linda

In Loma Linda in January, humidity is 81%. With an average temperature of 2°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and encouraging a cozy retreat indoors rather than adventurous exploration.

January Average Humidity in Loma Linda

This chart illustrates the average monthly humidity levels in Loma Linda, 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 Loma Linda is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Loma Linda

In Loma Linda 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 Loma Linda, you can check the information here.

Maximum UV Index Levels in Loma Linda for January

The chart shows the monthly maximum UV Index (UVI) for Loma Linda 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 Loma Linda typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Loma Linda 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 Loma Linda Compares to Other Months

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

This table compares monthly weather conditions in Loma Linda, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)82 mm (3.2 inches)81%moderate
February Weather4°C (39°F)71 mm (2.8 inches)78%high
March Weather10°C (51°F)143 mm (5.6 inches)76%high
April Weather14°C (57°F)136 mm (5.3 inches)78%very high
May Weather20°C (67°F)188 mm (7.4 inches)83%very high
June Weather25°C (77°F)86 mm (3.4 inches)83%extreme
July Weather27°C (80°F)94 mm (3.7 inches)78%extreme
August Weather25°C (78°F)108 mm (4.2 inches)68%very high
September Weather23°C (74°F)73 mm (2.9 inches)64%very high
October Weather15°C (60°F)140 mm (5.5 inches)70%high
November Weather9°C (48°F)58 mm (2.3 inches)83%moderate
December Weather6°C (42°F)49 mm (1.9 inches)87%moderate

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