nomadseason

December Weather in Ironton, United States

Last updated: June 24, 2025

In December, the average temperature in Ironton, United States hovers around 4°C (40°F). You can expect a minimum temperature that can dip as low as -14°C (7°F) and a pleasant maximum reaching up to 25°C (76°F). The area sees about 73 mm (2.9 in) of precipitation over approximately 7 days, contributing to an average humidity level of 86%. Be prepared for a variety of weather!

December Temperature in Ironton

In December in Ironton, the average temperature is 4°C (40°F). Maximums can reach 25°C (76°F) and minimums can be as low as -14°C (7°F). Be prepared for a wide range of temperatures during your travels, making layering essential for comfort.

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

The chart illustrates December temperature patterns in Ironton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ironton, December typically has an average temperature of 4°C (40°F), with highs reaching up to 25°C (76°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748556675797571584440
Data source: Temperature data for Ironton 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 Ironton

In Ironton in December, the precipitation amount is 73 mm (2.9 in) during a span of 7 days.

December Precipitation Trends in Ironton

The chart displays monthly precipitation patterns in Ironton, 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 Ironton, December typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec8610514416917194102103621207673
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Ironton

In Ironton in December humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.

December Average Humidity in Ironton

This chart illustrates the average monthly humidity levels in Ironton, 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 Ironton is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ironton

In Ironton in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Ironton, you can check the information here.

Maximum UV Index Levels in Ironton for December

The chart shows the monthly maximum UV Index (UVI) for Ironton 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 Ironton typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Ironton 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 Ironton Compares to Other Months

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

This table compares monthly weather conditions in Ironton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)86 mm (3.4 inches)83%moderate
February Weather3°C (37°F)105 mm (4.1 inches)81%high
March Weather9°C (48°F)144 mm (5.7 inches)80%high
April Weather13°C (55°F)169 mm (6.6 inches)80%very high
May Weather19°C (66°F)171 mm (6.7 inches)83%very high
June Weather24°C (75°F)94 mm (3.7 inches)83%extreme
July Weather26°C (79°F)102 mm (4.0 inches)76%extreme
August Weather24°C (75°F)103 mm (4.1 inches)69%very high
September Weather22°C (71°F)61 mm (2.4 inches)68%very high
October Weather15°C (59°F)120 mm (4.7 inches)72%high
November Weather7°C (45°F)76 mm (3.0 inches)83%moderate
December Weather4°C (40°F)73 mm (2.9 inches)86%moderate

Compare Ironton's Climate with Cities Worldwide