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December Weather in Haynesville, United States

Last updated: June 24, 2025

In December, the average temperature in Haynesville, United States hovers around 11°C (52°F), with minimums dipping to -3°C (27°F) and soaring highs reaching 27°C (81°F). You'll encounter around 131 mm (5.2 in) of precipitation over approximately 9 days, contributing to a notably high average humidity of 88%.

December Temperature in Haynesville

In December in Haynesville, the average temperature is 11°C (52°F). The maximum can reach 27°C (81°F), while the minimum can drop to as low as -3°C (27°F). Be prepared for a wide range of temperatures during your visit.

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

The chart illustrates December temperature patterns in Haynesville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haynesville, December typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec475060647481838278675551
Data source: Temperature data for Haynesville 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 Haynesville

In Haynesville in December, the precipitation amount is 131 mm (5.2 in) over the course of 9 days.

December Precipitation Trends in Haynesville

The chart displays monthly precipitation patterns in Haynesville, 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 Haynesville, December typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec110155142193136117811049411167131
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Haynesville

In Haynesville in December, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

December Average Humidity in Haynesville

This chart illustrates the average monthly humidity levels in Haynesville, 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 Haynesville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Haynesville

In Haynesville 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 Haynesville for better planning.

Maximum UV Index Levels in Haynesville for December

The chart shows the monthly maximum UV Index (UVI) for Haynesville 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 Haynesville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111112111110864
Data source: Haynesville 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 Haynesville Compares to Other Months

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

This table compares monthly weather conditions in Haynesville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)110 mm (4.3 inches)82%moderate
February Weather10°C (51°F)155 mm (6.1 inches)80%high
March Weather16°C (60°F)142 mm (5.6 inches)78%very high
April Weather18°C (65°F)193 mm (7.6 inches)79%extreme
May Weather23°C (74°F)136 mm (5.3 inches)81%extreme
June Weather27°C (81°F)117 mm (4.6 inches)77%extreme
July Weather28°C (83°F)81 mm (3.2 inches)72%extreme
August Weather28°C (83°F)104 mm (4.1 inches)65%extreme
September Weather26°C (78°F)94 mm (3.7 inches)63%very high
October Weather19°C (67°F)111 mm (4.4 inches)70%very high
November Weather13°C (55°F)67 mm (2.6 inches)82%high
December Weather11°C (52°F)131 mm (5.2 inches)88%moderate

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