nomadseason

December Weather in Monroe, United States

Last updated: June 24, 2025

In December, the average temperature in Monroe, United States hovers around -1°C (30°F). Prepare for chilly days, as temperatures can dip as low as -21°C (-6°F), but you might also enjoy the occasional warm spell with highs reaching 19°C (67°F). Expect about 49 mm (1.9 in) of precipitation spread over 6 days, and be ready for that dampness with an average humidity of 81%.

December Temperature in Monroe

In December in Monroe, the average temperature is -1°C (30°F), with maximums reaching 19°C (67°F) and minimums plummeting to -21°C (-6°F). Travelers should be prepared for a wide temperature range, packing both warm clothing for the cold and lighter layers for the occasional warmth.

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

The chart illustrates December temperature patterns in Monroe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monroe, December typically has an average temperature of -1°C (30°F), with highs reaching up to 19°C (67°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec222437476071757266523730
Data source: Temperature data for Monroe 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 Monroe

In Monroe in December, the precipitation amount is 49 mm (1.9 in) over the course of 6 days.

December Precipitation Trends in Monroe

The chart displays monthly precipitation patterns in Monroe, 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 Monroe, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec57576696143126841001161114549
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Monroe

In Monroe in December, humidity is 81%. With an average temperature of -1°C (30°F), this humidity feels like an extra layer of chill settles in, making travel uncomfortable and the cold air cling to your skin, dampening the experience with every breath.

December Average Humidity in Monroe

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

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

Maximum UV Index Levels in Monroe for December

The chart shows the monthly maximum UV Index (UVI) for Monroe 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 Monroe typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Monroe 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 Monroe Compares to Other Months

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

This table compares monthly weather conditions in Monroe, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)57 mm (2.2 inches)85%moderate
February Weather-5°C (24°F)57 mm (2.2 inches)85%moderate
March Weather3°C (38°F)66 mm (2.6 inches)85%high
April Weather8°C (47°F)96 mm (3.8 inches)85%very high
May Weather16°C (60°F)143 mm (5.6 inches)78%very high
June Weather22°C (72°F)126 mm (5.0 inches)80%very high
July Weather24°C (75°F)84 mm (3.3 inches)78%very high
August Weather22°C (72°F)100 mm (3.9 inches)76%very high
September Weather19°C (66°F)116 mm (4.6 inches)79%very high
October Weather11°C (52°F)111 mm (4.4 inches)83%moderate
November Weather3°C (37°F)45 mm (1.8 inches)88%moderate
December Weather-1°C (30°F)49 mm (1.9 inches)81%low

Compare Monroe's Climate with Cities Worldwide