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January Weather in Arroyo Seco, United States

Last updated: June 24, 2025

In January, the average temperature in Arroyo Seco, United States is a chilly -6°C (21°F), with the thermometer dipping as low as -25°C (-13°F) at times and occasionally reaching a maximum of 10°C (51°F). Expect 34 mm (1.3 in) of precipitation spread over about 6 days, contributing to an average humidity of 84%. Prepare for a cold and wet season!

January Temperature in Arroyo Seco

In January in Arroyo Seco, the average temperature is -6°C (21°F). The maximum can reach 10°C (51°F) and the minimum can be as low as -25°C (-13°F). Travelers should be prepared for cold weather and significant temperature variations during this time.

January Weather in Arroyo Seco: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Arroyo Seco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arroyo Seco, January typically has an average temperature of -6°C (21°F), with highs reaching up to 10°C (51°F) and lows dropping to around -25°C (-13°F).
JanFebMarAprMayJunJulAugSepOctNovDec212333415161646257453424
Data source: Temperature data for Arroyo Seco 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 Arroyo Seco

In Arroyo Seco in January, the total precipitation amount is 34 mm (1.3 in) spread over 6 days.

January Precipitation Trends in Arroyo Seco

The chart displays monthly precipitation patterns in Arroyo Seco, 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 Arroyo Seco, January typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec343245294435915735342831
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Arroyo Seco

In Arroyo Seco in January humidity is 84%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold dampness seeps into your bones and slows your movements, turning each step into a shivering struggle.

January Average Humidity in Arroyo Seco

This chart illustrates the average monthly humidity levels in Arroyo Seco, 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 Arroyo Seco is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%75%68%62%55%54%61%70%78%81%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Arroyo Seco

In Arroyo Seco 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 Arroyo Seco.

Maximum UV Index Levels in Arroyo Seco for January

The chart shows the monthly maximum UV Index (UVI) for Arroyo Seco 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 Arroyo Seco typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213131211864
Data source: Arroyo Seco 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 Arroyo Seco Compares to Other Months

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

This table compares monthly weather conditions in Arroyo Seco, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)34 mm (1.3 inches)84%moderate
February Weather-5°C (24°F)32 mm (1.2 inches)84%high
March Weather0°C (33°F)45 mm (1.8 inches)74%very high
April Weather5°C (41°F)29 mm (1.2 inches)68%extreme
May Weather11°C (51°F)44 mm (1.7 inches)62%extreme
June Weather16°C (61°F)35 mm (1.4 inches)55%extreme
July Weather18°C (64°F)91 mm (3.6 inches)54%extreme
August Weather17°C (62°F)57 mm (2.3 inches)61%extreme
September Weather14°C (57°F)35 mm (1.4 inches)70%extreme
October Weather7°C (45°F)34 mm (1.4 inches)78%very high
November Weather1°C (34°F)28 mm (1.1 inches)81%high
December Weather-5°C (24°F)31 mm (1.2 inches)85%moderate

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