December Weather in Le Roy, United States

Last updated: June 24, 2025

In Le Roy, United States, the average temperature in December hovers around -3°C (26°F). However, temperatures can experience a wide range, with minimums plunging to -23°C (-9°F) and maximums reaching a balmy 19°C (67°F). During this month, expect about 38 mm (1.5 in) of precipitation spread over 6 days, while the air hangs at a humidity level of 83%.

December Temperature in Le Roy

In December in Le Roy, the average temperature is -3°C (26°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -23°C (-9°F). Be prepared for chilly weather and substantial fluctuations in temperature if you plan to travel during this time.

December Weather in Le Roy: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Le Roy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Roy, December typically has an average temperature of -3°C (26°F), with highs reaching up to 19°C (67°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec181834445971737064483426
Data source: Temperature data for Le Roy generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Le Roy

In Le Roy in December, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.

December Precipitation Trends in Le Roy

The chart displays monthly precipitation patterns in Le Roy, 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 Le Roy, December typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec36486481152131931031131235238
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Le Roy

In Le Roy in December, humidity is 83%. With an average temperature of -3°C (26°F), this humidity feels like a heavy blanket of cold air enveloping you, making it challenging to stay warm while traveling. The dampness seeps into your clothing, creating an uncomfortable chill that lingers even indoors, often requiring extra layers and careful planning for outdoor activities.

December Average Humidity in Le Roy

This chart illustrates the average monthly humidity levels in Le Roy, 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 Le Roy is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%80%81%74%81%80%77%75%80%87%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Le Roy

In Le Roy 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 Le Roy, you can visit Hourly UV Index in Le Roy.

Maximum UV Index Levels in Le Roy for December

The chart shows the monthly maximum UV Index (UVI) for Le Roy 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 Le Roy typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589101098532
Data source: Le Roy 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 Le Roy Compares to Other Months

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

This table compares monthly weather conditions in Le Roy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)36 mm (1.4 inches)82%moderate
February Weather-8°C (18°F)48 mm (1.9 inches)84%moderate
March Weather1°C (34°F)64 mm (2.5 inches)80%moderate
April Weather7°C (44°F)81 mm (3.2 inches)81%very high
May Weather15°C (59°F)151 mm (6.0 inches)74%very high
June Weather21°C (71°F)131 mm (5.2 inches)80%very high
July Weather23°C (73°F)93 mm (3.6 inches)80%very high
August Weather21°C (70°F)103 mm (4.1 inches)77%very high
September Weather18°C (64°F)113 mm (4.5 inches)75%very high
October Weather9°C (49°F)123 mm (4.8 inches)80%moderate
November Weather1°C (34°F)52 mm (2.0 inches)87%moderate
December Weather-3°C (26°F)38 mm (1.5 inches)83%low

Compare Le Roy's Climate with Cities Worldwide