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December Weather in Dyer, United States

Last updated: June 24, 2025

In Dyer, United States, the average temperature in December hovers around 1°C (34°F). Expect chilly conditions, with minimum temperatures dipping as low as -19°C (-1°F) and occasionally reaching a maximum of 18°C (64°F). During this month, you can anticipate about 60 mm (2.4 in) of precipitation spread across 9 days, contributing to an average humidity of 84%. Be sure to bundle up and prepare for the dampness!

December Temperature in Dyer

In December in Dyer, the average temperature is 1°C (34°F). Maximums can reach 18°C (64°F), while minimums can drop as low as -19°C (-1°F). Travelers should be prepared for a wide range of temperatures during their visit.

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 1°C (34°F), with highs reaching up to 18°C (64°F) and lows dropping to around -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec272939486071757368554034
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 60 mm (2.4 in), occurring over a span 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 60 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec70719911916213010392741426960
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 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
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 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Dyer, you can visit Hourly UV Index in Dyer.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
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 Weather-3°C (27°F)70 mm (2.7 inches)82%moderate
February Weather-2°C (29°F)71 mm (2.8 inches)83%moderate
March Weather4°C (39°F)99 mm (3.9 inches)84%high
April Weather9°C (48°F)119 mm (4.7 inches)85%very high
May Weather16°C (60°F)162 mm (6.4 inches)79%very high
June Weather22°C (71°F)130 mm (5.1 inches)82%very high
July Weather24°C (75°F)103 mm (4.1 inches)80%very high
August Weather23°C (73°F)92 mm (3.6 inches)81%very high
September Weather20°C (68°F)74 mm (2.9 inches)80%very high
October Weather13°C (56°F)142 mm (5.6 inches)82%high
November Weather5°C (40°F)68 mm (2.7 inches)88%moderate
December Weather1°C (34°F)60 mm (2.4 inches)84%low

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