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December Weather in Smithton, United States

Last updated: June 24, 2025

In December, the average temperature in Smithton, United States hovers around 4°C (39°F). Be prepared for a wide range of temperatures, with a minimum dipping to -17°C (2°F) and a maximum reaching 25°C (77°F). The weather may be wet, bringing approximately 37 mm (1.4 in) of precipitation over about 5 days. With an average humidity of 86%, you can expect a chilly and damp atmosphere. Stay warm!

December Temperature in Smithton

In December in Smithton, the average temperature is 4°C (39°F), with maximums reaching 25°C (77°F) and minimums dipping as low as -17°C (2°F). It’s advisable to pack layers to accommodate the wide temperature range when traveling during this time.

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

The chart illustrates December temperature patterns in Smithton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smithton, December typically has an average temperature of 4°C (39°F), with highs reaching up to 25°C (77°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec323447556677807772584539
Data source: Temperature data for Smithton 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 Smithton

In Smithton in December, the precipitation amount is 37 mm (1.4 in) spread over a duration of 5 days.

December Precipitation Trends in Smithton

The chart displays monthly precipitation patterns in Smithton, 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 Smithton, December typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec6559117116194117120105651045237
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Smithton

In Smithton in December humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.

December Average Humidity in Smithton

This chart illustrates the average monthly humidity levels in Smithton, 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 Smithton 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 Smithton

In Smithton 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 Smithton, you can check the information here.

Maximum UV Index Levels in Smithton for December

The chart shows the monthly maximum UV Index (UVI) for Smithton 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 Smithton typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35610101111109743
Data source: Smithton 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 Smithton Compares to Other Months

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

This table compares monthly weather conditions in Smithton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)65 mm (2.5 inches)80%moderate
February Weather1°C (35°F)59 mm (2.3 inches)78%moderate
March Weather8°C (47°F)117 mm (4.6 inches)75%high
April Weather13°C (55°F)116 mm (4.6 inches)77%very high
May Weather19°C (67°F)193 mm (7.6 inches)82%very high
June Weather25°C (77°F)117 mm (4.6 inches)83%extreme
July Weather27°C (80°F)120 mm (4.7 inches)81%extreme
August Weather25°C (77°F)105 mm (4.1 inches)78%very high
September Weather22°C (73°F)65 mm (2.5 inches)72%very high
October Weather14°C (58°F)104 mm (4.1 inches)72%high
November Weather7°C (45°F)52 mm (2.0 inches)84%moderate
December Weather4°C (39°F)37 mm (1.4 inches)86%moderate

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