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December Weather in Smiths Grove, United States

Last updated: June 24, 2025

In December, the average temperature in Smiths Grove, United States hovers around 6°C (44°F). Expect a wide range, with minimums dipping to -11°C (12°F) and maximums reaching 23°C (73°F). Be prepared for some wet days, as precipitation measures 137 mm (5.4 in) over approximately 11 days, accompanied by a high average humidity of 88%.

December Temperature in Smiths Grove

In December in Smiths Grove, the average temperature is 6°C (44°F). The maximum can reach 23°C (73°F), while the minimum can drop as low as -11°C (12°F). This diverse range makes Smiths Grove an intriguing destination for travelers seeking both mild and chilly experiences.

December Weather in Smiths Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Smiths Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smiths Grove, December typically has an average temperature of 6°C (44°F), with highs reaching up to 23°C (73°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec394351586976807873624743
Data source: Temperature data for Smiths Grove 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 Smiths Grove

In Smiths Grove in December, the total precipitation amount reaches 137 mm (5.4 in) over a span of 11 days.

December Precipitation Trends in Smiths Grove

The chart displays monthly precipitation patterns in Smiths Grove, 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 Smiths Grove, December typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9718014015812115912013413213187137
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Smiths Grove

In Smiths Grove in December humidity is 88%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less inviting and requiring warm, layered clothing to stay comfortable while exploring.

December Average Humidity in Smiths Grove

This chart illustrates the average monthly humidity levels in Smiths Grove, 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 Smiths Grove is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Smiths Grove

In Smiths Grove 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 Smiths Grove, you can check the information here.

Maximum UV Index Levels in Smiths Grove for December

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

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

This table compares monthly weather conditions in Smiths Grove, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)97 mm (3.8 inches)87%moderate
February Weather6°C (43°F)180 mm (7.1 inches)86%high
March Weather10°C (51°F)140 mm (5.5 inches)86%high
April Weather14°C (58°F)158 mm (6.2 inches)82%very high
May Weather21°C (70°F)121 mm (4.8 inches)82%very high
June Weather24°C (76°F)159 mm (6.3 inches)83%extreme
July Weather27°C (80°F)120 mm (4.7 inches)80%extreme
August Weather25°C (78°F)134 mm (5.3 inches)74%very high
September Weather23°C (73°F)132 mm (5.2 inches)71%very high
October Weather17°C (62°F)131 mm (5.2 inches)78%high
November Weather8°C (47°F)87 mm (3.4 inches)88%moderate
December Weather6°C (44°F)137 mm (5.4 inches)88%moderate

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