nomadseason

December Weather in Pima, United States

Last updated: June 24, 2025

In December, the average temperature in Pima, United States hovers around 8°C (47°F), offering a brisk climate. Expect a range of conditions, with minimums dipping to -6°C (22°F) and maximums rising to 23°C (73°F). Rain is a possibility, with 28 mm (1.1 in) of precipitation spread over about 4 days. The atmosphere tends to be quite humid, with an average of 84%, creating a rich and vibrant environment.

December Temperature in Pima

In December in Pima, the average temperature is 8°C (47°F). Maximums can reach 23°C (73°F) and minimums can be as low as -6°C (22°F). Be prepared for a wide range of temperatures while traveling, so layer your clothing accordingly.

December Weather in Pima: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Pima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pima, December typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (73°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec454856657283848377665646
Data source: Temperature data for Pima generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Pima

In Pima in December, the precipitation amount is 28 mm (1.1 in) over the course of 4 days.

December Precipitation Trends in Pima

The chart displays monthly precipitation patterns in Pima, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Pima, December typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec323726344512128171728
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Pima

In Pima in December, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

December Average Humidity in Pima

This chart illustrates the average monthly humidity levels in Pima, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Pima is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%68%55%45%37%43%53%66%72%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pima

In Pima in December, 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 Pima.

Maximum UV Index Levels in Pima for December

The chart shows the monthly maximum UV Index (UVI) for Pima in December, 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 December, the maximum UV index in Pima typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213121211865
Data source: Pima December 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 December Weather in Pima Compares to Other Months

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

This table compares monthly weather conditions in Pima, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)32 mm (1.3 inches)81%moderate
February Weather9°C (49°F)37 mm (1.5 inches)82%high
March Weather13°C (56°F)26 mm (1.0 inches)68%very high
April Weather18°C (65°F)2 mm (0.1 inches)55%extreme
May Weather22°C (73°F)4 mm (0.2 inches)45%extreme
June Weather28°C (83°F)4 mm (0.2 inches)37%extreme
July Weather29°C (84°F)51 mm (2.0 inches)43%extreme
August Weather28°C (83°F)21 mm (0.8 inches)53%extreme
September Weather25°C (77°F)28 mm (1.1 inches)66%extreme
October Weather19°C (66°F)16 mm (0.6 inches)72%very high
November Weather13°C (56°F)17 mm (0.7 inches)81%high
December Weather8°C (47°F)28 mm (1.1 inches)84%moderate

Compare Pima's Climate with Cities Worldwide