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December Weather in West Hattiesburg, United States

Last updated: June 24, 2025

In West Hattiesburg, United States, the average temperature for December hovers around 12°C (54°F). Expect a minimum of -3°C (27°F) and a maximum of 27°C (81°F). The region experiences precipitation of about 140 mm (5.5 in) over 12 days, accompanied by a high average humidity of 87%.

December Temperature in West Hattiesburg

In December in West Hattiesburg, the average temperature is 12°C (54°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -3°C (27°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both warm and chilly conditions.

December Weather in West Hattiesburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in West Hattiesburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Hattiesburg, December typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (81°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec515662667579818178715754
Data source: Temperature data for West Hattiesburg 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 West Hattiesburg

In West Hattiesburg in December, the total precipitation amount is 140 mm (5.5 in) over the course of 12 days.

December Precipitation Trends in West Hattiesburg

The chart displays monthly precipitation patterns in West Hattiesburg, 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 West Hattiesburg, December typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1191171061331541811481831089983140
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in West Hattiesburg

In West Hattiesburg in December humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

December Average Humidity in West Hattiesburg

This chart illustrates the average monthly humidity levels in West Hattiesburg, 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 West Hattiesburg is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in West Hattiesburg

In West Hattiesburg 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 West Hattiesburg for better planning.

Maximum UV Index Levels in West Hattiesburg for December

The chart shows the monthly maximum UV Index (UVI) for West Hattiesburg 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 West Hattiesburg typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112111110864
Data source: West Hattiesburg 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 West Hattiesburg Compares to Other Months

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

This table compares monthly weather conditions in West Hattiesburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)119 mm (4.7 inches)82%moderate
February Weather14°C (57°F)116 mm (4.6 inches)80%very high
March Weather17°C (63°F)106 mm (4.2 inches)80%very high
April Weather19°C (66°F)133 mm (5.2 inches)78%extreme
May Weather24°C (75°F)154 mm (6.1 inches)73%extreme
June Weather26°C (80°F)181 mm (7.1 inches)71%extreme
July Weather27°C (81°F)148 mm (5.8 inches)79%extreme
August Weather27°C (81°F)183 mm (7.2 inches)78%extreme
September Weather26°C (79°F)108 mm (4.3 inches)80%very high
October Weather22°C (71°F)99 mm (3.9 inches)76%very high
November Weather14°C (58°F)83 mm (3.3 inches)83%high
December Weather12°C (54°F)140 mm (5.5 inches)87%moderate

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