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December Weather in Triana, United States

Last updated: June 24, 2025

In December, the average temperature in Triana, United States hovers around 9°C (48°F), with a minimum dropping to -6°C (21°F) and a maximum peaking at 22°C (72°F). Expect about 157 mm (6.2 in) of precipitation across 12 days, while the average humidity maintains a high at 88%.

December Temperature in Triana

In December in Triana, the average temperature is 9°C (48°F). Maximums can reach 22°C (72°F), and the minimums can drop as low as -6°C (21°F). It's a time to prepare for a range of weather conditions, so pack accordingly for your travels.

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

The chart illustrates December temperature patterns in Triana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Triana, December typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (72°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec444956627177807975665148
Data source: Temperature data for Triana generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Triana

In Triana in December, the total precipitation amount is 157 mm (6.2 in), which falls over the course of 12 days.

December Precipitation Trends in Triana

The chart displays monthly precipitation patterns in Triana, 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 Triana, December typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec11418019014810313811411411513075157
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Triana

In Triana in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Triana

This chart illustrates the average monthly humidity levels in Triana, 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 Triana is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Triana

In Triana 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 Triana for better planning.

Maximum UV Index Levels in Triana for December

The chart shows the monthly maximum UV Index (UVI) for Triana 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 Triana typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109764
Data source: Triana 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 Triana Compares to Other Months

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

This table compares monthly weather conditions in Triana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)114 mm (4.5 inches)87%moderate
February Weather10°C (50°F)180 mm (7.1 inches)87%high
March Weather13°C (56°F)190 mm (7.5 inches)85%very high
April Weather16°C (62°F)148 mm (5.8 inches)82%very high
May Weather22°C (72°F)103 mm (4.0 inches)83%very high
June Weather25°C (77°F)138 mm (5.4 inches)82%extreme
July Weather27°C (81°F)114 mm (4.5 inches)78%extreme
August Weather26°C (80°F)114 mm (4.5 inches)67%very high
September Weather24°C (76°F)115 mm (4.5 inches)64%very high
October Weather19°C (66°F)130 mm (5.1 inches)74%high
November Weather11°C (51°F)75 mm (2.9 inches)87%high
December Weather9°C (48°F)157 mm (6.2 inches)88%moderate

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