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December Weather in Slater, United States

Last updated: June 24, 2025

In December, the average temperature in Slater, United States hovers around 3°C (38°F). Expect a wide range in temperatures, with minimums dipping to -18°C (-1°F) and maximums reaching 24°C (76°F). Precipitation is fairly moderate, with 38 mm (1.5 in) spread over about 5 days. Coupled with an average humidity of 86%, this month presents a unique blend of chilly weather and occasional dampness.

December Temperature in Slater

In December in Slater, the average temperature is 3°C (38°F), with maximums reaching up to 24°C (76°F) and minimums dipping as low as -18°C (-1°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to fully enjoy their visit.

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

The chart illustrates December temperature patterns in Slater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slater, December typically has an average temperature of 3°C (38°F), with highs reaching up to 24°C (76°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec313346546676797672574438
Data source: Temperature data for Slater 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 Slater

In Slater in December, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 5 days.

December Precipitation Trends in Slater

The chart displays monthly precipitation patterns in Slater, 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 Slater, December typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec6455115103219137110109711134938
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Slater

In Slater in December humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.

December Average Humidity in Slater

This chart illustrates the average monthly humidity levels in Slater, 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 Slater is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Slater

In Slater 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 Slater, you can check the information here.

Maximum UV Index Levels in Slater for December

The chart shows the monthly maximum UV Index (UVI) for Slater 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 Slater typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Slater 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 Slater Compares to Other Months

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

This table compares monthly weather conditions in Slater, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)64 mm (2.5 inches)80%moderate
February Weather1°C (33°F)55 mm (2.2 inches)78%moderate
March Weather8°C (46°F)114 mm (4.5 inches)75%high
April Weather12°C (54°F)103 mm (4.1 inches)77%very high
May Weather19°C (66°F)219 mm (8.6 inches)82%very high
June Weather25°C (77°F)137 mm (5.4 inches)83%extreme
July Weather26°C (80°F)110 mm (4.3 inches)81%extreme
August Weather25°C (76°F)108 mm (4.3 inches)78%very high
September Weather22°C (72°F)71 mm (2.8 inches)72%very high
October Weather14°C (58°F)113 mm (4.5 inches)72%high
November Weather7°C (44°F)49 mm (1.9 inches)84%moderate
December Weather3°C (38°F)38 mm (1.5 inches)86%moderate

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