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December Weather in Petal, United States

Last updated: June 24, 2025

In Petal, United States, the average temperature in December is a mild 12°C (54°F), making it a refreshing time to visit. However, be prepared for a range of temperatures, with a minimum of -4°C (26°F) and a maximum reaching 27°C (81°F). During this month, you'll encounter approximately 133 mm (5.2 in) of precipitation spread over 12 days. Don't forget your umbrella, as the average humidity hovers around a high 87%, adding a touch of stickiness to the air!

December Temperature in Petal

In December in Petal, the average temperature is 12°C (54°F). Maximums can reach 27°C (81°F) while minimums can drop to as low as -4°C (26°F). It's a month where travelers should be prepared for a wide range of temperatures, making layering essential for a comfortable trip.

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

The chart illustrates December temperature patterns in Petal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petal, 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 -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec515762667579818179715754
Data source: Temperature data for Petal 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 Petal

In Petal in December, the precipitation amount is 133 mm (5.2 in) spread over 12 days.

December Precipitation Trends in Petal

The chart displays monthly precipitation patterns in Petal, 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 Petal, December typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec11711210213114619715017910410079133
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Petal

In Petal 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 Petal

This chart illustrates the average monthly humidity levels in Petal, 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 Petal 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 Petal

In Petal 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 Petal for better planning.

Maximum UV Index Levels in Petal for December

The chart shows the monthly maximum UV Index (UVI) for Petal 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 Petal typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111111110864
Data source: Petal 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 Petal Compares to Other Months

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

This table compares monthly weather conditions in Petal, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)117 mm (4.6 inches)82%moderate
February Weather14°C (57°F)112 mm (4.4 inches)80%very high
March Weather17°C (63°F)102 mm (4.0 inches)80%very high
April Weather19°C (67°F)131 mm (5.2 inches)78%extreme
May Weather24°C (75°F)146 mm (5.8 inches)73%extreme
June Weather26°C (80°F)197 mm (7.8 inches)71%extreme
July Weather27°C (81°F)150 mm (5.9 inches)79%extreme
August Weather27°C (81°F)179 mm (7.0 inches)78%extreme
September Weather26°C (79°F)104 mm (4.1 inches)80%very high
October Weather22°C (71°F)100 mm (3.9 inches)76%very high
November Weather14°C (58°F)79 mm (3.1 inches)83%high
December Weather12°C (54°F)133 mm (5.2 inches)87%moderate

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