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January Weather in San Pedro, United States

Last updated: June 24, 2025

In January, the average temperature in San Pedro, United States hovers around 10°C (50°F). Expect a minimum chill of -10°C (13°F) and the occasional peak at 27°C (82°F). Precipitation is notable with about 100 mm (3.9 in) falling over 9 days, while the average humidity lingers at a comfortable 79%.

January Temperature in San Pedro

In January, in San Pedro, the average temperature is 10°C (50°F). Maximums can reach 27°C (82°F), while minimums can be as low as -10°C (13°F). This variation in temperature offers travelers a unique experience, so be prepared for both mild days and chilly nights.

January Weather in San Pedro: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Pedro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro, January typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (82°F) and lows dropping to around -10°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec505362677582858580705954
Data source: Temperature data for San Pedro 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 San Pedro

In San Pedro in January, the precipitation amount is 100 mm (3.9 in) spread over 9 days.

January Precipitation Trends in San Pedro

The chart displays monthly precipitation patterns in San Pedro, 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 San Pedro, January typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec100126103137175100791149411879117
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Pedro

In San Pedro in January humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

January Average Humidity in San Pedro

This chart illustrates the average monthly humidity levels in San Pedro, 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 San Pedro is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Pedro

In San Pedro 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 San Pedro for better planning.

Maximum UV Index Levels in San Pedro for January

The chart shows the monthly maximum UV Index (UVI) for San Pedro 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 San Pedro typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111111121110864
Data source: San Pedro 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 San Pedro Compares to Other Months

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

This table compares monthly weather conditions in San Pedro, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)100 mm (3.9 inches)79%moderate
February Weather11°C (53°F)126 mm (5.0 inches)80%high
March Weather17°C (63°F)103 mm (4.1 inches)78%very high
April Weather19°C (67°F)137 mm (5.4 inches)79%extreme
May Weather24°C (75°F)174 mm (6.9 inches)81%extreme
June Weather28°C (82°F)100 mm (3.9 inches)77%extreme
July Weather29°C (85°F)79 mm (3.1 inches)71%extreme
August Weather30°C (85°F)114 mm (4.5 inches)67%extreme
September Weather27°C (80°F)94 mm (3.7 inches)69%very high
October Weather21°C (70°F)118 mm (4.7 inches)73%very high
November Weather15°C (59°F)79 mm (3.1 inches)82%high
December Weather12°C (54°F)117 mm (4.6 inches)87%moderate

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