December Weather in New Llano, United States

Last updated: June 24, 2025

In December, the average temperature in New Llano, United States is a mild 12°C (55°F), but be prepared for fluctuations as it can drop to a chilly -3°C (27°F) or rise to a warm 28°C (82°F). With an expected precipitation of 138 mm (5.4 in) over 11 days, and an average humidity level of 88%, it's wise to carry an umbrella and dress in layers to stay comfortable during this unpredictable weather.

December Temperature in New Llano

In December, in New Llano, the average temperature is 12°C (55°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -3°C (27°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

December Weather in New Llano: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in New Llano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Llano, December typically has an average temperature of 12°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec515563677580828279705854
Data source: Temperature data for New Llano 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 New Llano

In New Llano in December, the precipitation amount is 138 mm (5.4 in) distributed over 11 days.

December Precipitation Trends in New Llano

The chart displays monthly precipitation patterns in New Llano, 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 New Llano, December typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071299216120014213517013912463138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in New Llano

In New Llano in December humidity is 88%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration more challenging and requiring extra layers for comfort.

December Average Humidity in New Llano

This chart illustrates the average monthly humidity levels in New Llano, 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 New Llano is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%80%81%76%73%72%72%73%83%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in New Llano

In New Llano 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 New Llano for better planning.

Maximum UV Index Levels in New Llano for December

The chart shows the monthly maximum UV Index (UVI) for New Llano 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 New Llano typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111112121110864
Data source: New Llano 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 New Llano Compares to Other Months

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

This table compares monthly weather conditions in New Llano, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)107 mm (4.2 inches)81%moderate
February Weather13°C (56°F)129 mm (5.1 inches)81%high
March Weather17°C (63°F)92 mm (3.6 inches)79%very high
April Weather19°C (67°F)161 mm (6.4 inches)80%extreme
May Weather24°C (76°F)200 mm (7.9 inches)81%extreme
June Weather27°C (80°F)142 mm (5.6 inches)76%extreme
July Weather28°C (82°F)135 mm (5.3 inches)73%extreme
August Weather28°C (82°F)170 mm (6.7 inches)71%extreme
September Weather26°C (79°F)139 mm (5.5 inches)72%very high
October Weather21°C (70°F)124 mm (4.9 inches)73%very high
November Weather15°C (58°F)63 mm (2.5 inches)83%high
December Weather12°C (55°F)138 mm (5.4 inches)88%moderate

Compare New Llano's Climate with Cities Worldwide