December Weather in Deer Park, United States

Last updated: June 24, 2025

In Deer Park, United States, the average temperature in December hovers around -1°C (31°F), with extremes that can dip to a chilling -24°C (-10°F) or rise to a mild 16°C (61°F). This month sees about 80 mm (3.2 in) of precipitation spread over 13 days, contributing to an average humidity of 86%. Embrace the crisp air and layers of cozy attire!

December Temperature in Deer Park

In December in Deer Park, the average temperature is -1°C (31°F). The maximum can reach 16°C (61°F) and the minimum can be as low as -24°C (-10°F). Be prepared for a wide range of temperatures and pack accordingly!

December Weather in Deer Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Deer Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deer Park, December typically has an average temperature of -1°C (31°F), with highs reaching up to 16°C (61°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec292838465766747261463730
Data source: Temperature data for Deer Park 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 Deer Park

In Deer Park in December, the precipitation amount is 80 mm (3.2 in) spread over 13 days.

December Precipitation Trends in Deer Park

The chart displays monthly precipitation patterns in Deer Park, 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 Deer Park, December typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec82656155482241532587481
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Deer Park

In Deer Park in December humidity is 86%. With an average temperature of -1°C (31°F), this humidity feels like an eerie chill enveloping you, making travel uncomfortable as the damp air bites into your skin and the cold seeps through even the warmest of clothes, creating an atmosphere that is heavy and uninviting.

December Average Humidity in Deer Park

This chart illustrates the average monthly humidity levels in Deer Park, 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 Deer Park is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%82%77%79%77%62%60%80%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Deer Park

In Deer Park 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 Deer Park, you can visit Hourly UV Index in Deer Park.

Maximum UV Index Levels in Deer Park for December

The chart shows the monthly maximum UV Index (UVI) for Deer Park 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 Deer Park typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245689997432
Data source: Deer Park 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 Deer Park Compares to Other Months

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

This table compares monthly weather conditions in Deer Park, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)82 mm (3.2 inches)85%low
February Weather-2°C (29°F)65 mm (2.5 inches)86%moderate
March Weather3°C (38°F)61 mm (2.4 inches)86%moderate
April Weather8°C (46°F)55 mm (2.2 inches)82%high
May Weather14°C (58°F)48 mm (1.9 inches)77%very high
June Weather19°C (66°F)22 mm (0.8 inches)79%very high
July Weather23°C (74°F)4 mm (0.2 inches)77%very high
August Weather22°C (73°F)15 mm (0.6 inches)62%very high
September Weather16°C (61°F)32 mm (1.3 inches)60%high
October Weather8°C (47°F)58 mm (2.3 inches)80%moderate
November Weather3°C (37°F)74 mm (2.9 inches)87%moderate
December Weather-1°C (31°F)80 mm (3.2 inches)86%low

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