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December Weather in Lamoni, United States

Last updated: June 24, 2025

In Lamoni, United States, the average temperature in December hovers around 1°C (34°F), with temperature extremes ranging from a frigid -26°C (-15°F) to a warm 23°C (73°F). Expect about 37 mm (1.5 in) of precipitation over 3 days, while the air remains quite moist with an average humidity of 83%.

December Temperature in Lamoni

In December in Lamoni, the average temperature is 1°C (34°F). The maximum can reach 23°C (73°F) and the minimum can be as low as -26°C (-15°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

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

The chart illustrates December temperature patterns in Lamoni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lamoni, December typically has an average temperature of 1°C (34°F), with highs reaching up to 23°C (73°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec252842516475787569544033
Data source: Temperature data for Lamoni 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 Lamoni

In Lamoni in December, the precipitation amount is 37 mm (1.5 in) over the course of 3 days.

December Precipitation Trends in Lamoni

The chart displays monthly precipitation patterns in Lamoni, 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 Lamoni, December typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec453910075161132112911251705237
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lamoni

In Lamoni in December, humidity is 83%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel uncomfortable as the damp cold seeps into your bones, adding an extra layer of heaviness to the air that can leave you feeling sluggish and fatigued.

December Average Humidity in Lamoni

This chart illustrates the average monthly humidity levels in Lamoni, 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 Lamoni is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lamoni

In Lamoni 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 Lamoni, you can check the information here.

Maximum UV Index Levels in Lamoni for December

The chart shows the monthly maximum UV Index (UVI) for Lamoni 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 Lamoni typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699111199643
Data source: Lamoni 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 Lamoni Compares to Other Months

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

This table compares monthly weather conditions in Lamoni, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)45 mm (1.8 inches)78%moderate
February Weather-2°C (28°F)39 mm (1.5 inches)80%moderate
March Weather6°C (43°F)100 mm (3.9 inches)77%high
April Weather11°C (51°F)75 mm (3.0 inches)77%very high
May Weather18°C (64°F)161 mm (6.3 inches)77%very high
June Weather24°C (76°F)132 mm (5.2 inches)81%extreme
July Weather25°C (78°F)112 mm (4.4 inches)81%extreme
August Weather24°C (75°F)91 mm (3.6 inches)77%very high
September Weather21°C (70°F)125 mm (4.9 inches)73%very high
October Weather12°C (54°F)170 mm (6.7 inches)75%high
November Weather5°C (41°F)52 mm (2.0 inches)85%moderate
December Weather1°C (34°F)37 mm (1.5 inches)83%moderate

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