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December Weather in Farmersville, United States

Last updated: June 24, 2025

In Farmersville, United States, the average temperature in December hovers around 10°C (51°F). Expect minimums dipping to -6°C (21°F) and maximums reaching up to 27°C (80°F). Additionally, prepare for 78 mm (3.1 in) of precipitation spread across 8 days, all while experiencing an average humidity level of 87%.

December Temperature in Farmersville

In December in Farmersville, the average temperature is 10°C (51°F), with maximums reaching up to 27°C (80°F) and minimums dropping as low as -6°C (21°F). This means travelers should prepare for a wide range of weather conditions, making it essential to pack layers for comfort.

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

The chart illustrates December temperature patterns in Farmersville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farmersville, December typically has an average temperature of 10°C (51°F), with highs reaching up to 27°C (80°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec464859647380848378665550
Data source: Temperature data for Farmersville 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 Farmersville

In Farmersville in December, the total precipitation amount is 78 mm (3.1 in) over the course of 8 days.

December Precipitation Trends in Farmersville

The chart displays monthly precipitation patterns in Farmersville, 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 Farmersville, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec721121321671751025893861545978
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Farmersville

In Farmersville in December humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

December Average Humidity in Farmersville

This chart illustrates the average monthly humidity levels in Farmersville, 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 Farmersville is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Farmersville

In Farmersville 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 Farmersville for better planning.

Maximum UV Index Levels in Farmersville for December

The chart shows the monthly maximum UV Index (UVI) for Farmersville 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 Farmersville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Farmersville 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 Farmersville Compares to Other Months

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

This table compares monthly weather conditions in Farmersville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)72 mm (2.8 inches)80%moderate
February Weather9°C (48°F)112 mm (4.4 inches)79%high
March Weather15°C (59°F)132 mm (5.2 inches)78%very high
April Weather18°C (64°F)167 mm (6.6 inches)78%very high
May Weather23°C (73°F)175 mm (6.9 inches)81%extreme
June Weather27°C (81°F)102 mm (4.0 inches)78%extreme
July Weather29°C (84°F)57 mm (2.3 inches)73%extreme
August Weather29°C (84°F)93 mm (3.7 inches)66%extreme
September Weather26°C (78°F)86 mm (3.4 inches)65%very high
October Weather19°C (67°F)154 mm (6.1 inches)72%very high
November Weather13°C (55°F)59 mm (2.3 inches)82%high
December Weather10°C (51°F)78 mm (3.1 inches)87%moderate

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