nomadseason

December Weather in Allendale, United States

Last updated: June 24, 2025

In December, the average temperature in Allendale, United States hovers around 1°C (34°F). During this time, temperatures can dip as low as -20°C (-3°F), while reaching a maximum of 15°C (59°F). Expect 74 mm (2.9 in) of precipitation over 11 days, contributing to the region's high average humidity of 86%.

December Temperature in Allendale

In December in Allendale, the average temperature is 1°C (34°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -20°C (-3°F). This is a perfect time to experience the unique charm of Allendale, so be sure to dress warmly and enjoy the seasonal activities.

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

The chart illustrates December temperature patterns in Allendale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allendale, December typically has an average temperature of 1°C (34°F), with highs reaching up to 15°C (59°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec272836445667737266544033
Data source: Temperature data for Allendale 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 Allendale

In Allendale in December, the precipitation amount is 74 mm (2.9 in) spread over the course of 11 days.

December Precipitation Trends in Allendale

The chart displays monthly precipitation patterns in Allendale, 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 Allendale, December typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7074709813412062691091407574
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Allendale

In Allendale in December, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

December Average Humidity in Allendale

This chart illustrates the average monthly humidity levels in Allendale, 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 Allendale is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Allendale

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

Maximum UV Index Levels in Allendale for December

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

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

This table compares monthly weather conditions in Allendale, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)69 mm (2.7 inches)87%low
February Weather-2°C (28°F)74 mm (2.9 inches)87%moderate
March Weather2°C (36°F)70 mm (2.8 inches)86%moderate
April Weather7°C (44°F)98 mm (3.8 inches)87%very high
May Weather13°C (56°F)134 mm (5.3 inches)82%very high
June Weather19°C (67°F)120 mm (4.7 inches)81%very high
July Weather23°C (73°F)62 mm (2.4 inches)78%very high
August Weather22°C (72°F)69 mm (2.7 inches)79%very high
September Weather19°C (66°F)109 mm (4.3 inches)79%high
October Weather12°C (54°F)140 mm (5.5 inches)82%moderate
November Weather4°C (40°F)75 mm (3.0 inches)87%moderate
December Weather1°C (34°F)74 mm (2.9 inches)86%low

Compare Allendale's Climate with Cities Worldwide