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December Weather in Lamartine, United States

Last updated: June 24, 2025

In Lamartine, United States, the average temperature in December hovers around -2°C (28°F). Be prepared for a wide range of temperatures, as it can dip to a chilling -24°C (-11°F) or rise to a pleasant 17°C (64°F). Expect about 46 mm (1.8 in) of precipitation over 7 days, and don’t forget the humidity, which averages a comfortable 81%.

December Temperature in Lamartine

In December in Lamartine, the average temperature is -2°C (28°F), with maximums reaching up to 17°C (64°F) and minimums dropping as low as -24°C (-11°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates December temperature patterns in Lamartine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lamartine, December typically has an average temperature of -2°C (28°F), with highs reaching up to 17°C (64°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec202134445768737064503628
Data source: Temperature data for Lamartine 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 Lamartine

In Lamartine in December, the precipitation amount is 46 mm (1.8 in) over the course of 7 days.

December Precipitation Trends in Lamartine

The chart displays monthly precipitation patterns in Lamartine, 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 Lamartine, December typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec47475710011910310098821064546
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lamartine

In Lamartine in December, humidity is 81%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.

December Average Humidity in Lamartine

This chart illustrates the average monthly humidity levels in Lamartine, 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 Lamartine is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lamartine

In Lamartine 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 Lamartine, you can visit Hourly UV Index in Lamartine.

Maximum UV Index Levels in Lamartine for December

The chart shows the monthly maximum UV Index (UVI) for Lamartine 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 Lamartine typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Lamartine 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 Lamartine Compares to Other Months

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

This table compares monthly weather conditions in Lamartine, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)47 mm (1.8 inches)85%low
February Weather-6°C (21°F)47 mm (1.9 inches)85%moderate
March Weather1°C (34°F)57 mm (2.2 inches)85%moderate
April Weather6°C (44°F)100 mm (4.0 inches)85%very high
May Weather14°C (58°F)119 mm (4.7 inches)78%very high
June Weather20°C (69°F)103 mm (4.0 inches)80%very high
July Weather23°C (73°F)100 mm (3.9 inches)78%very high
August Weather21°C (70°F)98 mm (3.9 inches)76%very high
September Weather18°C (64°F)82 mm (3.2 inches)79%high
October Weather10°C (51°F)106 mm (4.2 inches)83%moderate
November Weather2°C (36°F)45 mm (1.8 inches)88%moderate
December Weather-2°C (28°F)46 mm (1.8 inches)81%low

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