nomadseason

December Weather in Royse City, United States

Last updated: June 24, 2025

In December, the average temperature in Royse City, United States hovers around 11°C (51°F), creating a mild climate. However, temperatures can vary dramatically, with a minimum of -5°C (23°F) and a maximum of 27°C (81°F). Expect some rain, as precipitation reaches approximately 79 mm (3.1 in) over 7 days, coupled with an average humidity of 87%. 🌧️

December Temperature in Royse City

In December in Royse City, the average temperature is 11°C (51°F). The maximum can reach 27°C (81°F) and the minimum can be as low as -5°C (23°F). It's essential to pack layers to accommodate the wide range of temperatures for your travels.

December Weather in Royse City: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Royse City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Royse City, December typically has an average temperature of 11°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec464960647381848479675651
Data source: Temperature data for Royse City 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 Royse City

In Royse City in December, the total precipitation amount is 79 mm (3.1 in) distributed over a period of 7 days.

December Precipitation Trends in Royse City

The chart displays monthly precipitation patterns in Royse City, 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 Royse City, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec71120119156173975588831475779
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Royse City

In Royse City in December humidity is 87%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill wrapping around you, making outdoor excursions a bit uncomfortable as the air feels thick and heavy, urging you to seek shelter more often than not.

December Average Humidity in Royse City

This chart illustrates the average monthly humidity levels in Royse City, 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 Royse City is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Royse City

In Royse City 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 Royse City for better planning.

Maximum UV Index Levels in Royse City for December

The chart shows the monthly maximum UV Index (UVI) for Royse City 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 Royse City typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Royse City 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 Royse City Compares to Other Months

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

This table compares monthly weather conditions in Royse City, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)71 mm (2.8 inches)80%moderate
February Weather9°C (49°F)120 mm (4.7 inches)79%high
March Weather15°C (60°F)119 mm (4.7 inches)78%very high
April Weather18°C (65°F)156 mm (6.1 inches)78%very high
May Weather23°C (74°F)173 mm (6.8 inches)81%extreme
June Weather27°C (81°F)96 mm (3.8 inches)78%extreme
July Weather29°C (84°F)55 mm (2.2 inches)73%extreme
August Weather29°C (84°F)88 mm (3.5 inches)66%extreme
September Weather26°C (79°F)83 mm (3.2 inches)65%very high
October Weather20°C (67°F)147 mm (5.8 inches)72%very high
November Weather13°C (56°F)57 mm (2.3 inches)82%high
December Weather11°C (51°F)79 mm (3.1 inches)87%moderate

Compare Royse City's Climate with Cities Worldwide