nomadseason

December Weather in Arcadia, United States

Last updated: June 24, 2025

In Arcadia, United States, the average temperature in December hovers around 11°C (52°F). However, be prepared for a range, as temperatures can dip as low as -3°C (27°F) and rise to a warm 28°C (82°F). During this month, precipitation tends to accumulate to about 133 mm (5.2 in) over 9 days, contributing to an average humidity of a humid 88%.

December Temperature in Arcadia

In December in Arcadia, the average temperature is 11°C (52°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -3°C (27°F). This variation in temperature makes it essential for travelers to pack accordingly and be prepared for both warm and chilly conditions.

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

The chart illustrates December temperature patterns in Arcadia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arcadia, December typically has an average temperature of 11°C (52°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec485261657480838278685652
Data source: Temperature data for Arcadia 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 Arcadia

In Arcadia in December, the precipitation amount is 133 mm (5.2 in) spread over a duration of 9 days.

December Precipitation Trends in Arcadia

The chart displays monthly precipitation patterns in Arcadia, 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 Arcadia, December typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec119171149194146112961139811887133
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Arcadia

In Arcadia in December, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

December Average Humidity in Arcadia

This chart illustrates the average monthly humidity levels in Arcadia, 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 Arcadia is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arcadia

In Arcadia in December, 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 Arcadia for better planning.

Maximum UV Index Levels in Arcadia for December

The chart shows the monthly maximum UV Index (UVI) for Arcadia 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 Arcadia typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111112111110864
Data source: Arcadia 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 Arcadia Compares to Other Months

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

This table compares monthly weather conditions in Arcadia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)119 mm (4.7 inches)82%moderate
February Weather11°C (52°F)171 mm (6.7 inches)80%high
March Weather16°C (61°F)149 mm (5.9 inches)78%very high
April Weather18°C (65°F)194 mm (7.6 inches)79%extreme
May Weather23°C (74°F)146 mm (5.7 inches)81%extreme
June Weather27°C (81°F)112 mm (4.4 inches)77%extreme
July Weather28°C (83°F)96 mm (3.8 inches)72%extreme
August Weather28°C (83°F)113 mm (4.4 inches)65%extreme
September Weather26°C (79°F)98 mm (3.9 inches)63%very high
October Weather20°C (68°F)118 mm (4.6 inches)70%very high
November Weather13°C (56°F)87 mm (3.4 inches)82%high
December Weather11°C (52°F)133 mm (5.2 inches)88%moderate

Compare Arcadia's Climate with Cities Worldwide