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January Weather in Santa Anna, United States

Last updated: June 24, 2025

In January, the average temperature in Santa Anna, United States is a cool 8°C (47°F), with a potential minimum dipping to -11°C (13°F) and a maximum reaching 27°C (82°F). Expect 32 mm (1.3 in) of precipitation over 4 days, contributing to an average humidity of 78%.

January Temperature in Santa Anna

In January in Santa Anna, the average temperature is 8°C (47°F), with maximums reaching up to 27°C (82°F) and minimums dipping as low as -11°C (13°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and chilly conditions.

January Weather in Santa Anna: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santa Anna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Anna, January typically has an average temperature of 8°C (47°F), with highs reaching up to 27°C (82°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec474961667582868579685751
Data source: Temperature data for Santa Anna 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 Santa Anna

In Santa Anna in January, the total precipitation amount is 32 mm (1.3 in), accumulated over a period of 4 days.

January Precipitation Trends in Santa Anna

The chart displays monthly precipitation patterns in Santa Anna, 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 Santa Anna, January typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec3238716310746254468733239
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Santa Anna

In Santa Anna in January, humidity is 78%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making travel invigorating yet damp, as the cool air wraps around you, emphasizing the need for layers to stay comfortable while exploring.

January Average Humidity in Santa Anna

This chart illustrates the average monthly humidity levels in Santa Anna, 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 Santa Anna is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%77%78%82%78%69%63%66%73%84%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Santa Anna

In Santa Anna 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 Santa Anna.

Maximum UV Index Levels in Santa Anna for January

The chart shows the monthly maximum UV Index (UVI) for Santa Anna 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 Santa Anna typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111111121110864
Data source: Santa Anna 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 Santa Anna Compares to Other Months

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

This table compares monthly weather conditions in Santa Anna, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)32 mm (1.3 inches)78%moderate
February Weather10°C (50°F)38 mm (1.5 inches)78%high
March Weather16°C (61°F)71 mm (2.8 inches)77%very high
April Weather19°C (67°F)63 mm (2.5 inches)78%extreme
May Weather24°C (75°F)107 mm (4.2 inches)82%extreme
June Weather28°C (82°F)46 mm (1.8 inches)78%extreme
July Weather30°C (86°F)25 mm (1.0 inches)69%extreme
August Weather29°C (85°F)44 mm (1.7 inches)63%extreme
September Weather26°C (79°F)68 mm (2.7 inches)66%very high
October Weather20°C (68°F)73 mm (2.9 inches)73%very high
November Weather14°C (57°F)32 mm (1.2 inches)84%high
December Weather11°C (51°F)39 mm (1.5 inches)87%moderate

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