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December Weather in Dyer, United States

Last updated: June 24, 2025

In December, the average temperature in Dyer, United States hovers around 7°C (46°F). Expect a chilly minimum of -11°C (13°F) and an inviting maximum of 24°C (75°F). Precipitation is fairly common, with around 137 mm (5.4 in) falling over 9 days, contributing to an average humidity of 88%.

December Temperature in Dyer

In December in Dyer, the average temperature is 7°C (46°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates December temperature patterns in Dyer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dyer, December typically has an average temperature of 7°C (46°F), with highs reaching up to 24°C (75°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec404454607178817975634945
Data source: Temperature data for Dyer generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Dyer

In Dyer in December, the total precipitation amount is 137 mm (5.4 in) over the course of 9 days.

December Precipitation Trends in Dyer

The chart displays monthly precipitation patterns in Dyer, 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 Dyer, December typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec10117117814810911312510410311895137
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dyer

In Dyer in December humidity is 88%. With an average temperature of 7°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring you to dress in layers to stay warm and dry while exploring.

December Average Humidity in Dyer

This chart illustrates the average monthly humidity levels in Dyer, 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 Dyer is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dyer

In Dyer 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 Dyer, you can check the information here.

Maximum UV Index Levels in Dyer for December

The chart shows the monthly maximum UV Index (UVI) for Dyer 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 Dyer typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Dyer 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 Dyer Compares to Other Months

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

This table compares monthly weather conditions in Dyer, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)101 mm (4.0 inches)86%moderate
February Weather7°C (44°F)171 mm (6.7 inches)85%high
March Weather12°C (54°F)178 mm (7.0 inches)84%high
April Weather15°C (60°F)147 mm (5.8 inches)81%very high
May Weather22°C (71°F)109 mm (4.3 inches)83%extreme
June Weather26°C (78°F)113 mm (4.5 inches)83%extreme
July Weather27°C (81°F)125 mm (4.9 inches)80%extreme
August Weather26°C (79°F)104 mm (4.1 inches)73%very high
September Weather24°C (75°F)103 mm (4.0 inches)70%very high
October Weather17°C (64°F)118 mm (4.6 inches)73%high
November Weather9°C (49°F)95 mm (3.7 inches)85%moderate
December Weather7°C (46°F)137 mm (5.4 inches)88%moderate

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