nomadseason

December Weather in Bertram, United States

Last updated: June 24, 2025

In December, the average temperature in Bertram, United States hovers around 12°C (54°F). Temperatures can range significantly, with a minimum of -3°C (27°F) and a maximum of 28°C (83°F). During this month, expect about 54 mm (2.1 in) of precipitation over 7 days, contributing to an average humidity level of a cozy 87%.

December Temperature in Bertram

In December in Bertram, the average temperature is 12°C (54°F). The maximum can reach 28°C (83°F) and the minimum can be as low as -3°C (27°F). This diverse temperature range makes Bertram an interesting destination for travelers seeking both mild weather and a touch of winter charm.

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

The chart illustrates December temperature patterns in Bertram, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bertram, December typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (83°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec505262677581858579695954
Data source: Temperature data for Bertram 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 Bertram

In Bertram in December, the precipitation amount is 54 mm (2.1 in) over a duration of 7 days.

December Precipitation Trends in Bertram

The chart displays monthly precipitation patterns in Bertram, 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 Bertram, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec49637380167756392931053754
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Bertram

In Bertram in December humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

December Average Humidity in Bertram

This chart illustrates the average monthly humidity levels in Bertram, 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 Bertram is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%77%78%82%78%69%63%66%73%84%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bertram

In Bertram in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Bertram for better planning.

Maximum UV Index Levels in Bertram for December

The chart shows the monthly maximum UV Index (UVI) for Bertram 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 Bertram typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111112121111864
Data source: Bertram 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 Bertram Compares to Other Months

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

This table compares monthly weather conditions in Bertram, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)49 mm (1.9 inches)78%moderate
February Weather11°C (52°F)63 mm (2.5 inches)78%high
March Weather17°C (63°F)73 mm (2.9 inches)77%very high
April Weather20°C (68°F)80 mm (3.1 inches)78%extreme
May Weather24°C (76°F)167 mm (6.6 inches)82%extreme
June Weather27°C (82°F)75 mm (2.9 inches)78%extreme
July Weather29°C (85°F)63 mm (2.5 inches)69%extreme
August Weather29°C (85°F)92 mm (3.6 inches)63%extreme
September Weather26°C (79°F)93 mm (3.7 inches)66%extreme
October Weather21°C (70°F)105 mm (4.1 inches)73%very high
November Weather15°C (59°F)37 mm (1.5 inches)84%high
December Weather12°C (54°F)54 mm (2.1 inches)87%moderate

Compare Bertram's Climate with Cities Worldwide