nomadseason

December Weather in Barry, United States

Last updated: June 24, 2025

In December, the average temperature in Barry, United States hovers around 2°C (36°F). While you might experience a chilly minimum of -19°C (-2°F), the occasional warm spell can reach up to 23°C (73°F). Expect 47 mm (1.8 in) of precipitation spread over 6 days, contributing to an average humidity of 86%.

December Temperature in Barry

In December in Barry, the average temperature is 2°C (36°F). Maximums can reach 23°C (73°F), while minimums can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures, making it essential to pack for both warm and cold conditions during your trip.

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

The chart illustrates December temperature patterns in Barry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barry, December typically has an average temperature of 2°C (36°F), with highs reaching up to 23°C (73°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec293244536675787571574236
Data source: Temperature data for Barry 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 Barry

In Barry in December, the total precipitation amount is 47 mm (1.8 in) spread over the course of 6 days.

December Precipitation Trends in Barry

The chart displays monthly precipitation patterns in Barry, 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 Barry, December typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec656313010616012398101891096247
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Barry

In Barry in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

December Average Humidity in Barry

This chart illustrates the average monthly humidity levels in Barry, 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 Barry is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Barry

In Barry 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 Barry, you can check the information here.

Maximum UV Index Levels in Barry for December

The chart shows the monthly maximum UV Index (UVI) for Barry 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 Barry typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Barry 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 Barry Compares to Other Months

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

This table compares monthly weather conditions in Barry, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)65 mm (2.5 inches)82%moderate
February Weather0°C (32°F)63 mm (2.5 inches)80%moderate
March Weather7°C (44°F)130 mm (5.1 inches)80%high
April Weather12°C (53°F)106 mm (4.2 inches)80%very high
May Weather19°C (66°F)160 mm (6.3 inches)82%very high
June Weather24°C (75°F)123 mm (4.9 inches)83%extreme
July Weather26°C (78°F)98 mm (3.8 inches)81%extreme
August Weather24°C (75°F)101 mm (4.0 inches)80%very high
September Weather21°C (71°F)89 mm (3.5 inches)76%very high
October Weather14°C (57°F)109 mm (4.3 inches)76%high
November Weather6°C (42°F)62 mm (2.4 inches)85%moderate
December Weather2°C (36°F)47 mm (1.8 inches)86%moderate

Compare Barry's Climate with Cities Worldwide