nomadseason

December Weather in Ryan, United States

Last updated: June 24, 2025

In December, the average temperature in Ryan, United States hovers around 9°C (48°F). Be prepared for a wide range of temperatures, as it can dip as low as -8°C (18°F) or soar to 30°C (86°F). During this month, you can expect 47 mm (1.9 in) of precipitation over about 4 days, contributing to an average humidity of 85%.

December Temperature in Ryan

In December in Ryan, the average temperature is 9°C (48°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -8°C (18°F). Pack for a wide range of weather to fully enjoy your travels!

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

The chart illustrates December temperature patterns in Ryan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ryan, December typically has an average temperature of 9°C (48°F), with highs reaching up to 30°C (86°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec434558647382868578665448
Data source: Temperature data for Ryan 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 Ryan

In Ryan in December, the precipitation amount is 47 mm (1.9 in) over the course of 4 days.

December Precipitation Trends in Ryan

The chart displays monthly precipitation patterns in Ryan, 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 Ryan, December typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec4660807712054286090953747
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Ryan

In Ryan in December humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

December Average Humidity in Ryan

This chart illustrates the average monthly humidity levels in Ryan, 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 Ryan is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ryan

In Ryan 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 Ryan for better planning.

Maximum UV Index Levels in Ryan for December

The chart shows the monthly maximum UV Index (UVI) for Ryan 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 Ryan typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110854
Data source: Ryan 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 Ryan Compares to Other Months

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

This table compares monthly weather conditions in Ryan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)46 mm (1.8 inches)77%moderate
February Weather7°C (46°F)60 mm (2.4 inches)76%high
March Weather14°C (58°F)80 mm (3.2 inches)74%very high
April Weather18°C (64°F)77 mm (3.0 inches)75%very high
May Weather23°C (74°F)120 mm (4.7 inches)80%extreme
June Weather28°C (82°F)54 mm (2.1 inches)80%extreme
July Weather30°C (87°F)28 mm (1.1 inches)75%extreme
August Weather30°C (85°F)60 mm (2.4 inches)67%extreme
September Weather26°C (79°F)90 mm (3.5 inches)64%very high
October Weather19°C (66°F)95 mm (3.7 inches)70%very high
November Weather12°C (54°F)37 mm (1.4 inches)82%moderate
December Weather9°C (48°F)47 mm (1.9 inches)85%moderate

Compare Ryan's Climate with Cities Worldwide