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January Weather in Oro Valley, United States

Last updated: June 24, 2025

In January, the average temperature in Oro Valley, United States is a mild 10°C (51°F), with a minimum dipping to -2°C (28°F) and a maximum reaching a pleasant 24°C (75°F). Expect some rain, as 34 mm (1.3 in) of precipitation typically falls over 4 days, while the average humidity hovers around 76%. Embrace the crisp atmosphere!

January Temperature in Oro Valley

In January in Oro Valley, the average temperature is 10°C (51°F). The maximum can reach 24°C (75°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a range of temperatures to ensure a comfortable and enjoyable travel experience.

January Weather in Oro Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Oro Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oro Valley, January typically has an average temperature of 10°C (51°F), with highs reaching up to 24°C (75°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec515360697686868581716252
Data source: Temperature data for Oro Valley 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 Oro Valley

In Oro Valley in January, the precipitation amount is 34 mm (1.3 in) over a span of 4 days.

January Precipitation Trends in Oro Valley

The chart displays monthly precipitation patterns in Oro Valley, 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 Oro Valley, January typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec344222359966334122131
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Oro Valley

In Oro Valley in January, humidity is 76%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor excursions feel much colder, requiring extra layers for comfort as you explore the area.

January Average Humidity in Oro Valley

This chart illustrates the average monthly humidity levels in Oro Valley, 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 Oro Valley is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Oro Valley

In Oro Valley 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 Oro Valley.

Maximum UV Index Levels in Oro Valley for January

The chart shows the monthly maximum UV Index (UVI) for Oro Valley 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 Oro Valley typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121111864
Data source: Oro Valley 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 Oro Valley Compares to Other Months

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

This table compares monthly weather conditions in Oro Valley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)34 mm (1.3 inches)76%moderate
February Weather12°C (53°F)42 mm (1.7 inches)79%high
March Weather15°C (60°F)22 mm (0.9 inches)67%very high
April Weather21°C (69°F)3 mm (0.1 inches)55%extreme
May Weather24°C (76°F)5 mm (0.2 inches)40%extreme
June Weather30°C (86°F)9 mm (0.3 inches)33%extreme
July Weather30°C (86°F)96 mm (3.8 inches)34%extreme
August Weather29°C (85°F)63 mm (2.5 inches)48%extreme
September Weather27°C (81°F)34 mm (1.3 inches)64%extreme
October Weather22°C (71°F)12 mm (0.5 inches)67%very high
November Weather17°C (62°F)21 mm (0.8 inches)77%high
December Weather11°C (52°F)31 mm (1.2 inches)82%moderate

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